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PopNx MCPServidores MCP para quienes usan IA · explicados con palabras sencillas

Sendraven MCP

de CommonNinjaversión 0.4.26i★ –iComputadora o nube
Nombre en el registroai.sendraven/mcp

Instalar

Resumen

Descripción del creador (original en inglés)

Email infrastructure for AI agents: send, read replies as threads, campaigns, per-key limits.

Los tres pilares de PopNx MCP

Estos tres nunca se combinan en una sola puntuación: las opiniones, las mediciones y la popularidad son cosas distintas.

Qué puedes hacer con él

Todavía no escribimos un resumen sencillo para este. Abajo están los datos que leímos del registro.

  • Conexión: Computadora o nube
  • Transporte: stdio, Streamable HTTP
  • Categoría: Chat y correo
  • Debes completar: SENDRAVEN_API_KEY

Instalación

Elige la app de IA que usas y copia la configuración.

Antes de instalar

Los valores marcados como secretos son llaves de tu cuenta. Nunca los compartas ni los pegues en un chat.

Necesitas

¿Qué app usas?

Elige tu app arriba. La recordamos, así que la próxima vez el botón dirá “Instalar en …”.

Funciona en Claude para web, escritorio y móvil:

  1. Abre Settings → Connectors
  2. Presiona Add custom connector
  3. Pega la dirección de abajo y presiona Add
  4. Si te pide iniciar sesión, inicia sesión en el servicio del creador
SettingsConnectors1+ Add2https://…3
https://mcp.sendraven.ai/mcp

O ejecútalo en tu computadora

Abre Claude Desktop → Settings → Developer → Edit Config y pega esto en claude_desktop_config.json

{
  "mcpServers": {
    "sendraven": {
      "command": "npx",
      "args": [
        "-y",
        "@sendraven/mcp"
      ],
      "env": {
        "SENDRAVEN_API_KEY": "your-value"
      }
    }
  }
}

Ejecuta esto en tu terminal

claude mcp add --transport http sendraven https://mcp.sendraven.ai/mcp

O ejecútalo en tu computadora

claude mcp add sendraven --env SENDRAVEN_API_KEY=your-value -- npx -y @sendraven/mcp

Completa los valores vacíos antes de ejecutarlo.

Abrir en Cursor

O copia la configuración tú

Pégalo en .cursor/mcp.json de tu proyecto, o en ~/.cursor/mcp.json

{
  "mcpServers": {
    "sendraven": {
      "url": "https://mcp.sendraven.ai/mcp"
    }
  }
}

O ejecútalo en tu computadora

Abrir en Cursor

O copia la configuración tú

Pégalo en .cursor/mcp.json de tu proyecto, o en ~/.cursor/mcp.json

{
  "mcpServers": {
    "sendraven": {
      "command": "npx",
      "args": [
        "-y",
        "@sendraven/mcp"
      ],
      "env": {
        "SENDRAVEN_API_KEY": "your-value"
      }
    }
  }
}

Tu navegador te pide permiso para abrir la app; luego la app muestra la configuración y te pide confirmar. Los valores de las claves quedan vacíos para que los completes tú.

Abrir en VS Code

O copia la configuración tú

Pégalo en .vscode/mcp.json de tu proyecto

{
  "servers": {
    "sendraven": {
      "type": "http",
      "url": "https://mcp.sendraven.ai/mcp"
    }
  }
}

O ejecútalo en tu computadora

Abrir en VS Code

O copia la configuración tú

Pégalo en .vscode/mcp.json de tu proyecto

{
  "servers": {
    "sendraven": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@sendraven/mcp"
      ],
      "env": {
        "SENDRAVEN_API_KEY": "your-value"
      }
    }
  }
}

Tu navegador te pide permiso para abrir la app; luego la app muestra la configuración y te pide confirmar. Los valores de las claves quedan vacíos para que los completes tú.

ChatGPT solo se conecta a servidores en internet:

  1. Abre ChatGPT en la web → Settings → Connectors (Apps)
  2. Presiona Create o Add (en algunos planes primero hay que activar Developer mode en Advanced)
  3. Pega la dirección de abajo, ponle un nombre y guarda
  4. Si te pide iniciar sesión, inicia sesión en el servicio del creador
SettingsConnectors1+ Create2https://…3
https://mcp.sendraven.ai/mcp

Los nombres de los menús pueden variar un poco según el plan y con el tiempo.

Tu elección se guarda en una cookie en este dispositivo; no necesitas cuenta.

Valores que debes completar

  • SENDRAVEN_API_KEY secreto obligatorio env
    API key from the SendRaven dashboard (Developers).

Esta configuración se genera a partir de la ficha del creador en el registro. Si el README dice otra cosa, sigue el README.

Qué puede hacer

Nombres y descripciones de las herramientas tal como los informó el servidor el 7 nov 2026. Los escribió el creador, no nosotros; los mostramos como texto sin formato.

  • send_email

    Send a transactional email, immediately or scheduled. scheduled_at takes a relative phrase like 'in 3 days' or an ISO timestamp. The From domain must already be verified. Every accepted send answers with the same fields: id, status, thread_id, scheduled_at, skipped, reason and ap

  • list_emails

    List messages newest first with their delivery status, including held, scheduled, skipped and failed ones and the mail campaigns and automations sent. Filter by status, recipient or tag. Paged: at most 100 per call; while has_more is true, next_cursor passed back as cursor with t

  • get_email

    Fetch one message with its full event timeline (send, delivery, bounce, complaint, open, click). The timeline shows why an email didn't arrive.

  • cancel_scheduled_email

    Cancel a scheduled email before it sends. Only works while status is 'scheduled': a message that has already started sending, or is in any other state, answers 409 invalid_state naming its status; a retry answers the same, and get_email shows where it stands. An unknown id answer

  • update_email_tags

    Add or remove tags on an email already sent, scheduled or held, to refile it for the tag filters of list_emails and list_threads. Removals apply first, then additions, so one call swaps a tag: remove_tags [{name:'recovery_case'}] (no value: every tag with that name) with add_tags

  • list_sending_domains

    List sending domains with their verification status and the DNS records each one needs. Each record shows what is currently published, so this diagnoses a stuck verification. mail_from says whether SES has adopted the bounce. subdomain as the Return-Path: pending while SES polls

  • add_sending_domain

    Register a sending domain and get back the DNS records to publish. It takes the domain mail is sent from — mail. and news. are provisioned beneath it and the right one is chosen per message, so a marketing complaint spike can never affect password reset delivery. subdomains names

  • verify_sending_domain

    Re-check a domain's DNS records now instead of waiting for the background monitor. Also restarts bounce-path (mail_from) verification when SES gave up before the MX record existed.

  • set_utm_tags

    Turn UTM tags on or off for a sending domain, and set what they say. When on, every link in that domain's marketing HTML gets utm_source (default 'newsletter'), utm_medium (default 'email') and utm_campaign (the campaign's name or the automation's slug). A link that already has a

  • list_suppressions

    List addresses we refuse to mail and why (hard_bounce, complaint, unsubscribe, manual, list_hygiene), newest first, each with its scope. When someone reports not receiving email, this shows whether the address is suppressed. email returns one address's suppressions directly; scan

  • add_suppression

    Stop sending to an address. Scope 'marketing' leaves transactional mail working; the default is 'all'. Reason 'unsubscribe' is a real opt-out: it also cancels the person's queued scheduled sends and ends their automation enrolments, which is what a person who asked to stop expect

  • remove_suppression

    Remove a suppression so the address can be mailed again. A hard bounce means the address was rejected by the receiving server, and re-sending raises the bounce rate that AWS enforces on. The scope must match the stored one: removed: false means nothing was suppressed in that scop

  • create_broadcast

    Create a campaign as a draft. Nothing is sent: preview_broadcast reports its reach and send_broadcast sends it. identity_id must be a marketing sending domain (see list_sending_domains; risk_class 'marketing'). topic_key must name an existing topic (list_topics); an unknown one i

  • get_broadcast

    One campaign, with a 'progress' object while it is sending, paused or testing: how many addresses are still pending, sent, failed, or skipped because the person opted out after the campaign started. This is what tells a paused campaign that is still making progress from one that

  • list_broadcasts

    List campaigns, newest first, with their status. Paged: at most 100 per call; while has_more is true, next_cursor passed back as cursor returns the next page. Each row is the campaign object get_broadcast returns, live progress and A/B results included, without its html, which on

  • preview_broadcast

    How many contacts a campaign would reach, and whether the reputation gate would allow it. It is the only way to see the size of a campaign without starting it. For an A/B test it also reports the sample size and per-variant count against the 100-per-variant floor; a send below th

  • send_broadcast

    Send a draft or scheduled campaign now, or schedule it with scheduled_at. This mails every contact in the segment and cannot be undone once started; preview_broadcast shows the count beforehand. Marketing mail must carry a postal address: a workspace without one is refused with 4

  • pick_broadcast_winner

    Decide an A/B test now instead of waiting for decide_at. 'variant' names the winning key; without it the metric decides on the figures so far. The rest of the audience is then sent to the winner and cannot be redirected. Only a campaign in status 'testing' can be decided; anythin

  • resume_broadcast

    Continue a paused campaign now. It mails only the addresses still pending — the audience was frozen when the campaign started and everyone already reached is marked — so calling this twice cannot double-send. Only works on a paused campaign; anything else answers 409 invalid_stat

  • list_threads

    List email conversations. awaiting_reply=true returns only the threads where someone has written in and no answer has been sent, which is what needs a response. A reply held for approval or scheduled does not count as sent: such a thread stays in that list with pending_reply true

  • get_thread

    Read a conversation as a chronological transcript of outbound and inbound messages. Inbound `text` already has quoted history and signatures stripped; `raw_text` holds the untrimmed body, for when the stripped version looks wrong. sender_authenticated says whether the sender is w

  • reply_to_message

    Reply to a message, keeping it on the same conversation. Sets the threading headers so the recipient's mail client shows it as part of the existing exchange rather than a new one, which send_email does not do. It is a send, so it answers exactly as send_email does and meets the s

  • mark_thread_handled

    Clear a conversation's awaiting_reply flag without sending anything, for when the last inbound message needs no answer — a "thanks, all sorted" — so it stops appearing in list_threads with awaiting_reply=true. A reply sent only to clear the flag mails a person for bookkeeping; th

  • list_templates

    List stored email templates and the variables each one needs. Unlike HTML composed at send time, templates carry the workspace's reviewed subject, copy and styling. They do not carry the unsubscribe footer: that is added at send time to marketing mail, whether or not it came from

  • render_template

    Render a template with values, without sending, showing how the copy reads before it mails a real person. A missing variable answers 422 missing_variables with the list in `missing`; an unknown slug answers 404. Returns subject, html and text; text is null when the template has n

  • send_template_email

    Send an email built from a stored template. Variable values are HTML-escaped on substitution, so they are safe to fill from user-supplied text. Nothing is sent when a value is missing: 422 missing_variables lists the names in `missing`, and a call with those filled in goes throug

  • list_pending_approvals

    List messages held for human approval, with their full content. A key configured to require approval drafts rather than sends; a person releases it. A send that returned status 'pending_approval' is waiting here, and retrying the send does not release it. Oldest first, each with

  • decide_approval

    Approve or reject a held message. Approving releases it: it sends now, or at its scheduled_at when the draft was scheduled for later. If every recipient unsubscribed or was suppressed while it waited, nothing is sent and the answer says skipped: true with a reason (both always pr

  • list_automations

    List multi-step email sequences and how many people are currently in each, with the id each one is enrolled by. Newest first, at most 100 per call; while has_more is true, next_cursor passed back as cursor returns the next page. A 'paused' automation holds its people on their cur

  • get_automation

    Fetch one automation: its status, trigger, steps (each with the id and condition update_automation needs passed back), exit rules and how many people are in each state. The same object list_automations returns, for a caller that already holds the id. People themselves are listed

  • get_automation_metrics

    How each step of an automation is doing: per current step, its step_id, position, sent, delivered, opened and clicked. Opens and clicks are unique people, counted only after link scanners are ruled out, so they are lower than raw hit counts and reflect readers. Use it to see wher

  • list_automation_enrollments

    The people in one automation, newest enrolment first: each row has the email, status, current_step, next_due_at and, for a cancelled one, cancel_reason. It answers 'is this person still on the sequence?', 'who is waiting on step 2?' and 'why did this sequence stop for them?', whi

  • create_automation

    Define a multi-step sequence as a draft; nothing is sent until it is activated, from the dashboard or with set_automation_status. Unlike several separately scheduled emails, it ends on its own when the person unsubscribes, replies, bounces, opts out of its topic, or their tags sa

  • update_automation

    Change a sequence's steps, the rules that take someone out of it (topic_key, exit_tags, required_tags, exit_on_reply), its reply_to, its reenrollment, or its default_variables (replaces the whole set; {} clears it). The trigger is fixed once created. steps replaces every step and

  • set_automation_status

    Activate, pause or return an automation to draft. A new automation is a draft and sends nothing until it is set to 'active'. Pausing ('paused' or 'draft') holds everyone on their current step: nobody is sent a step and nobody new is enrolled, but nobody's sequence ends, and setti

  • delete_automation

    Delete an automation for good and cancel every active enrolment in it, so nobody is sent another step. Answers enrollments_canceled. It cannot be undone: to stop it for a while and continue everyone later, use set_automation_status with paused instead. Mail already sent and its h

  • enroll_in_automation

    Put someone into a multi-step sequence. Unlike several separately scheduled emails, the sequence stops on its own if they unsubscribe (from everything or from the automation's topic), reply, hard bounce, gain one of its exit tags, or lose one of its required tags, which would oth

  • emit_event

    Emit a named event, starting every automation that waits on it — for example 'trial_started' or 'invoice_overdue'. The configured sequences decide what happens, rather than the caller naming an automation. Returns automations_started; 0 means nothing was waiting on that name or t

  • list_conversion_goals

    List conversion goals: the event names counted as a conversion, each with its credit window in days. An emit_event call with one of these names is credited to the last email the person clicked inside that window; any other name is an ordinary event.

  • create_conversion_goal

    Start counting an event as a conversion, such as 'subscription_started' or 'purchase'. Counts only events emitted after this call; it does not go back over earlier ones. Use the exact name the app already passes to emit_event. A name that is already a goal answers 409 conflict, a

  • get_conversion_metrics

    Attributed conversions, converters and revenue per currency. Pass broadcast_id for a campaign, broken down per A/B variant with its sent count and rate, or automation_id for a sequence, broken down per step. The figures are attributed, not causal: each conversion counts for the l

  • list_topics

    List subscription topics — the categories a person can opt out of individually. Marketing mail sent under a topic lets recipients unsubscribe from that kind alone rather than from everything.

  • get_email_preferences

    What one person has chosen to receive. It shows whether someone who isn't getting a particular kind of email opted out of it — an opt-out looks identical to a delivery failure from the outside.

  • set_email_preferences

    Set which topics a person receives, recording what they asked for — silently re-subscribing someone who opted out is what generates spam complaints. Every key must be an existing topic from list_topics: one unknown key refuses the whole call with 422 unknown_topic and nothing is

  • list_audiences

    List contact lists, newest first, with each one's id and contact_count. Paged: at most 100 per call; while has_more is true, more lists are on later pages, returned when next_cursor is passed back as cursor.

  • add_contact

    Add someone to an audience. A contact exists once per workspace and can be on any number of audiences, so adding an address that already exists joins them to this list rather than creating a second copy. status records that the person opted out elsewhere — it writes the suppressi

  • import_contacts

    Import up to 5,000 contacts into an audience in one call, with names, tags, custom properties and subscription status. This is the migration tool: the previous provider's unsubscribed, bounced and complained lists, imported with the matching status before the first campaign, keep

  • get_contact

    Fetch one contact by id, with their audience memberships, custom properties and engagement dates.

  • update_contact

    Update a contact. Attributes are merged, so sending one field does not clear the rest. unsubscribed: true is a real opt-out: it suppresses the address for marketing, cancels their pending sends and ends their automation enrolments. unsubscribed: false lifts a marketing unsubscrib

  • list_segments

    List saved audience filters. A campaign created with a segment id, rather than a filter described inline, shares one definition that can be reused and counted.

  • list_tags

    Every tag in use in the workspace, with how many contacts carry each. Tags are free-form, so this is the only way to know what exists before applying one.

  • count_segment

    How many contacts a segment currently matches. A filter that matches nobody shows up here as 0, before any campaign is built around it or sent. Engagement windows and date conditions (e.g. attributes.trial_ends_at within_next_days 3) are measured from the moment of the call, so t

  • get_email_metrics

    Delivery and engagement over a window. Open and click rates are over delivered, not sent — a low open rate with a high bounce rate is a deliverability problem, not an engagement one.

  • list_scheduled_emails

    Messages queued to send later but not yet sent, newest first; cancel_scheduled_email cancels one. At most 100 per call; while has_more is true, next_cursor passed back as cursor returns the next page.

  • suppress_many

    Stop sending to many addresses at once — the path for importing another provider's unsubscribe list before a first campaign. Without it, everyone who already opted out there gets mailed again here. The defaults differ from add_suppression: scope 'marketing' and reason 'list_hygie

  • list_webhooks

    The workspace's webhook endpoints: each with id, url, the events it receives and whether it is enabled. Read-only: endpoints are added and changed in the dashboard, because a tool that could point one at a new URL would let an agent route the workspace's mail events to itself. Us

  • list_webhook_deliveries

    Recent delivery attempts for a webhook endpoint: each with event, status, attempts, last_status_code, last_error and delivered_at (null until it succeeds). This is what tells 'we never sent it' from 'your endpoint returned 500'. Newest first, the most recent `limit` only; not pag

  • list_broadcast_recipients

    Who a campaign reached and what happened to each message, with the A/B variant when there is one. At most 200 per call; while has_more is true, next_cursor (a message id) passed back as cursor returns the next page.

  • get_usage

    This workspace's plan, what it has sent this billing period, what the period costs so far, and — the fields worth branching on — sending_locked and lock_reason, which name the exact 402 a send would be refused with right now, before a large batch or campaign is tried: on Free a s

  • find_contact

    Find a contact by address across every audience, without knowing which list they are on, or list the workspace's contacts by tag or subscription. email matches exactly, and q matches an address prefix. A person exists once per workspace, so each row is one contact with audience_i

Revisiones básicasi

Revisamos información que cualquiera puede ver; no hemos leído el código. Las revisiones que no aplican no se cuentan. · Revisado el 7 nov 2026

  • ✓ Superada

    El creador coincide con el repo

    El nombre en el registro se verificó con el dominio sendraven.ai (el registro comprueba quién es dueño del dominio)

  • … Aún sin revisar

    Sigue en mantenimiento

    Todavía no hemos leído este repo en GitHub

  • … Aún sin revisar

    Tiene licencia

    Todavía no hemos leído este repo en GitHub

  • ✓ Superada

    El endpoint responde

    Respondió en 323 ms (HTTP 200)

  • – No aplica

    Inicio de sesión con OAuth

    No hace falta iniciar sesión

  • ✓ Superada

    Sin instrucciones ocultas en las descripciones de herramientas

    Leímos 60 descripciones de herramientas y no encontramos instrucciones ocultas para la IA

Comparado con otros en Chat y correoi

  • Más estrellas que el 0% de los otros 1773 servidores de esta categoría
  • Publicado en el registro más recientemente que el 76% de los otros 1773 servidores de esta categoría
  • Revisiones básicas iguales o mejores que el 100% de los otros 1773 servidores de esta categoría

Comparado con todos los servidores activos de esta categoría en el registro. Las estrellas solo cuentan cuando quien lo publica es dueño del repo.

Preguntas frecuentes

¿Es seguro Sendraven MCP?

Superó 3 de 3 revisiones básicas aplicables. No hemos leído el código. Antes de agregar una clave o un token, revisa qué acceso pide el servidor y usa una clave que tenga solo los permisos que necesitas.

¿Qué claves o códigos necesita?

Debes completar: SENDRAVEN_API_KEY

¿Se ejecuta en mi computadora o en la nube?

Funciona de las dos formas: instálalo en tu computadora o conéctate a la versión en la nube.

¿Sigue en mantenimiento?

El repo de GitHub cambió por última vez –, y la última versión (0.4.26) llegó al registro hace 8 días.

¿Qué apps pueden usarlo?

Las apps compatibles con MCP, como Claude Desktop, Claude Code, Cursor y VS Code. Se conecta por URL, así que también funcionan las apps que aceptan servidores MCP remotos, como ChatGPT en modo desarrollador.

¿Qué puedo usar en su lugar?

En la misma categoría: Vexa, emailmd, MCP WhatsApp Cloud

Alternativas

Servidores de la misma categoría hechos por otros creadores, ordenados por estrellas.

Cómo leer una tarjeta:★ Estrellas de GitHubiTres pilares: reseñas · revisiones · usoiActualizado = fecha en que se publicó la última versión en el registroi

Vexa

de Vexa-ai

Meeting bot and transcripts for Google Meet, Teams and Zoom. Live or after, speakers labelled.

Se ejecuta en la nube★ 2949Apache-2.0Actualizado hace 2 meses
Instalar

emailmd

de anypost

Render markdown into email-safe HTML, lint drafts for deliverability problems, and preview emails.

Computadora o nube★ 1385MITActualizado hace 31 días
Instalar

MCP server for WhatsApp Cloud API (Meta) — messages, media, and templates via Graph API

Se ejecuta en tu computadora★ 277MITActualizado hace 5 meses
Instalar

README del creador

Abrir el README

Copiado tal cual del repo del creador. PopNx MCP no lo ha revisado ni lo respalda. Se quitaron HTML, imágenes y scripts. Los enlaces llevan fuera de este sitio.

@sendraven/mcp

The SendRaven MCP server. Send email, read replies as threads, run campaigns and automations, and decide approvals, from any client that speaks the Model Context Protocol.

SendRaven is email infrastructure for AI agents. Agents use it over REST or MCP to run real email conversations: sending, reading replies as threads, and running campaigns and automations, within limits and approvals set on the API key. It is priced per email sent, never per contact.

Install

Claude Code, remote server, signs in with OAuth on first use:

claude mcp add --transport http sendraven https://mcp.sendraven.ai/mcp

Cursor, Claude Desktop, and other clients with a JSON config:

{

"mcpServers": { "sendraven": { "url": "https://mcp.sendraven.ai/mcp" } } }

Any client, as a local process. Create an API key under Developers in the dashboard, then:

claude mcp add sendraven -e SENDRAVEN_API_KEY=sk_live_… -- npx -y @sendraven/mcp
{

"mcpServers": { "sendraven": { "command": "npx", "args": ["-y", "@sendraven/mcp"], "env": { "SENDRAVEN_API_KEY": "sk_live_…" } } } }

Remote server with a key instead of OAuth, for an agent running unattended:

{

"mcpServers": { "sendraven": { "url": "https://mcp.sendraven.ai/mcp", "headers": { "Authorization": "Bearer sk_live_…" } } } }

Give an agent's key a daily send limit, a recipient allowlist, or an approval hold. The tools respect all three, campaigns included: a key with an approval hold or an allowlist cannot start a campaign, and a key with a daily limit can start one only if its recipients fit what is left of the day. See Limits for agents.

Behaviour worth knowing

  • A held send is not a failure. When a key requires approval, send_email returns pending_approval with an id. Report that it awaits a person; do not retry.
  • Out of plan is 402, not 429. get_usage reports plan, usage and remaining, so an agent can say "you are near your limit" before a batch.
  • Two calls cannot be undone. send_broadcast mails an audience; run preview_broadcast first. remove_suppression lets us mail an address that bounced or complained. Neither is a way to fix a failed send.
  • Approvals are decided by a person. decide_approval answers 403 when the client signed in with OAuth, when the key drafted the message, and when the key has any guardrail. Use the dashboard, or a key without guardrails.
  • Retry sends with the same `idempotency_key`, and only for the identical message. A retry replays the first answer instead of sending twice; the same key with different arguments is refused with idempotency_key_reused and nothing is sent.
  • A failed call returns the API's own message with its HTTP status and error type, so "No verified transactional sending domain for …" comes back as those words with HTTP 422 no_verified_identity, and a missing template variable lists the names in missing. Types mean the same thing on every tool; see Errors.

Tools

63 tools, generated from the server's registry.

ToolWhat it does
send_emailSend a transactional email, immediately or scheduled. scheduled_at takes a relative phrase like 'in 3 days' or an ISO timestamp. The From domain must already be verified. Every accepted send answers with the same fields: id, status, thread_id, scheduled_at, skipped, reason and approval_id. skipped: true (status 'rejected', with reason) means every recipient was suppressed or opted out and nothing was sent; a retry answers the same. status 'pending_approval' (with approval_id) means a person must release it; a retry does not release it. Otherwise skipped is false and reason and approval_id are null. idempotency_key makes a retry of the identical message safe; it matches only the identical message. Refusals, by type: 422 no_verified_identity (the From domain has no verified sending domain; a retry answers the same until it is added and verified); 422 invalid_request (a bad field, or more than 50 recipients across to, cc and bcc, which fit as separate messages or a campaign); 422 unknown_topic; 422 invalid_schedule; 403 recipient_not_allowed (this key's allowlist); 429 daily_limit (this key's daily cap; it resets tomorrow, and a retry today answers the same); four billing refusals, all 402 and none retryable — plan_limit_reached (the Free plan's 3,000 emails a month are spent; a person has to activate paid sending), payment_method_required (the workspace has never had a payment method verified, so no outbound email leaves it at all, including on Free; only a person can add one, in the dashboard), billing_past_due (the payment failed for good) and budget_exceeded (the workspace's own spend ceiling; by default it stops marketing and lets transactional through); 422 workspace_suspended and 422 no_postal_address (a person has to act). 502 ses_error is the provider, and a later retry with the same idempotency_key is safe. get_usage shows which of these applies before a send, and apart from ses_error none clears by repeating the call.
list_emailsList messages newest first with their delivery status, including held, scheduled, skipped and failed ones and the mail campaigns and automations sent. Filter by status, recipient or tag. Paged: at most 100 per call; while has_more is true, next_cursor passed back as cursor with the same filters returns the next page. An unknown status is refused with 422 invalid_request rather than answering an empty log.
get_emailFetch one message with its full event timeline (send, delivery, bounce, complaint, open, click). The timeline shows why an email didn't arrive.
cancel_scheduled_emailCancel a scheduled email before it sends. Only works while status is 'scheduled': a message that has already started sending, or is in any other state, answers 409 invalid_state naming its status; a retry answers the same, and get_email shows where it stands. An unknown id answers 404 not_found.
update_email_tagsAdd or remove tags on an email already sent, scheduled or held, to refile it for the tag filters of list_emails and list_threads. Removals apply first, then additions, so one call swaps a tag: remove_tags [{name:'recovery_case'}] (no value: every tag with that name) with add_tags [{name:'category', value:'billing-recovery'}]. The thread and the dashboard's tag suggestions follow. Changes only what SendRaven stores, not what the provider already saw. Safe to repeat. Answers the email as get_email does. broadcast_id, set on campaign mail, cannot be changed (422 invalid_request), nor can a message end with more than 10 tags. An unknown id answers 404 not_found.
list_sending_domainsList sending domains with their verification status and the DNS records each one needs. Each record shows what is currently published, so this diagnoses a stuck verification. mail_from says whether SES has adopted the bounce. subdomain as the Return-Path: pending while SES polls for its MX record, then active. SES polls for 72 hours from when the domain was added, not from when the MX appears, and then marks it failed; publishing the MX later and calling verify_sending_domain restarts it. A verified domain sends fine meanwhile; only SPF alignment waits.
add_sending_domainRegister a sending domain and get back the DNS records to publish. It takes the domain mail is sent from — mail. and news. are provisioned beneath it and the right one is chosen per message, so a marketing complaint spike can never affect password reset delivery. subdomains names the pair differently (tx. and promo.), still one domain. risk_class provisions one identity on the domain exactly as given instead; it cannot be combined with subdomains. Two records come back marked optional: an inbound MX so replies land in threads, and a link. CNAME that turns on click tracking on the customer's own name once its certificate is issued. Adding a domain that already exists returns it rather than a duplicate. A public suffix such as co.uk or github.io is not a domain anyone can send from and is refused with 422 invalid_request; the domain registered under it, e.g. example.co.uk, is accepted. Passing mail.example.co.uk or news.example.co.uk is read as example.co.uk. A plan with no room for another domain answers 402 plan_limit_reached; a retry answers the same until a person upgrades or removes a domain.
verify_sending_domainRe-check a domain's DNS records now instead of waiting for the background monitor. Also restarts bounce-path (mail_from) verification when SES gave up before the MX record existed.
set_utm_tagsTurn UTM tags on or off for a sending domain, and set what they say. When on, every link in that domain's marketing HTML gets utm_source (default 'newsletter'), utm_medium (default 'email') and utm_campaign (the campaign's name or the automation's slug). A link that already has any utm_ parameter is left as written, and unsubscribe links are never touched. Fields left out keep their value; a null source or medium restores the default. Answers the domain.
list_suppressionsList addresses we refuse to mail and why (hard_bounce, complaint, unsubscribe, manual, list_hygiene), newest first, each with its scope. When someone reports not receiving email, this shows whether the address is suppressed. email returns one address's suppressions directly; scanning pages instead is how the wrong suppression gets cleared. At most 100 per call; while has_more is true, next_cursor passed back as cursor returns the next page.
add_suppressionStop sending to an address. Scope 'marketing' leaves transactional mail working; the default is 'all'. Reason 'unsubscribe' is a real opt-out: it also cancels the person's queued scheduled sends and ends their automation enrolments, which is what a person who asked to stop expects and 'manual' does not do. A hard bounce or complaint already on file is never replaced; the response is the stored suppression (id, email, reason, scope, detail, created_at), so its reason says which one stands.
remove_suppressionRemove a suppression so the address can be mailed again. A hard bounce means the address was rejected by the receiving server, and re-sending raises the bounce rate that AWS enforces on. The scope must match the stored one: removed: false means nothing was suppressed in that scope (an address suppressed for 'marketing' is not lifted by 'all'); list_suppressions with email shows the scope that is stored.

| create_broadcast | Create a campaign as a draft. Nothing is sent: preview_broadcast reports its reach and send_broadcast sends it. identity_id must be a marketing sending domain (see list_sending_domains; risk_class 'marketing'). topic_key must name an existing topic (list_topics); an unknown one is refused with 422 unknown_topic, since it would count everyone as opted out. A segment_id must filter the same audience as audience_id. An A/B test takes 2 to 10 'variants' that differ in subject, from_name or send_at, and optionally 'ab_test'. A subject or from-name test sends sample_share of the audience (default 0.2) split evenly across the variants, waits decide_after_minutes (default 240) after the sample is out, picks the variant with the best unique open rate (or click rate with metric 'click'), and sends the rest to it. Each variant needs at least 100 recipients in the sample or the send is refused — preview_broadcast shows the number. Metric 'click' only works once the domain has click tracking; until then every variant shows zero clicks and the first variant wins by default. The response's web_version_url is a public page of the campaign (one URL, no recipient's unsubscribe link) to share on a

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