GetResponse

GetResponse Newsletters API

Newsletters API documentation

GitHub OpenAPI
Business capability
Digital Marketing Management BC-400.60

Operations 10

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /newsletters/{newsletterId} Get a newsletter · Get a single newsletter by its ID #
Ask an LLM
“What subject, content and send settings does a particular newsletter have?”
“Can I look up one newsletter by its ID?”
Tell an agent
Show newsletter {newsletterId}.
Get the {fields} fields of newsletter {newsletterId}.
DELETE /newsletters/{newsletterId} Delete a newsletter · Delete newsletter #
Ask an LLM
“Can I permanently remove a newsletter I no longer need?”
“What's the way to delete an old newsletter from my account?”
Tell an agent destructive · confirm first
Delete newsletter {newsletterId}.
Permanently remove newsletter {newsletterId} from my account.
GET /newsletters/{newsletterId}/activities List a newsletter's contact activities · Get newsletter activities #
Ask an LLM
“Which contacts opened or clicked a specific newsletter?”
“Can I filter a newsletter's activity log by activity type and date?”
Tell an agent
List the activities recorded for newsletter {newsletterId}.
Show {activity} activities on newsletter {newsletterId} since {from}.
POST /newsletters/{newsletterId}/cancel Cancel sending a newsletter · Cancel sending the newsletter #
Ask an LLM
“Can I stop a newsletter that's already queued to go out?”
“What happens to a newsletter after I cancel its sending?”
Tell an agent destructive · confirm first
Cancel sending newsletter {newsletterId} and turn it back into a draft.
Stop the scheduled send of newsletter {newsletterId}.
GET /newsletters/{newsletterId}/statistics Get statistics for one newsletter · The statistics of single newsletter #
Ask an LLM
“How did one specific newsletter perform on opens and clicks?”
“Can I break a single newsletter's stats down by hour, day or month?”
Tell an agent
Show statistics for newsletter {newsletterId}.
Get newsletter {newsletterId} stats grouped by {groupBy}.
GET /newsletters/{newsletterId}/thumbnail Get a newsletter thumbnail image · Get newsletter thumbnail #
Ask an LLM
“Is there a preview image of what a newsletter looks like?”
“Which thumbnail sizes can I request for a newsletter?”
Tell an agent
Get the thumbnail for newsletter {newsletterId}.
Fetch a {size} thumbnail of newsletter {newsletterId}.
GET /newsletters List newsletters · Get the newsletter list #
Ask an LLM
“Which newsletters have I sent or scheduled recently?”
“Can I filter my newsletters by subject, status or list?”
Tell an agent
List all my newsletters.
Show newsletters with status {status} in list {campaignId}.
POST /newsletters Create and queue a newsletter · Create newsletter #
Ask an LLM
“How do I create a new newsletter and send it to a list?”
“Is there a daily cap on how many newsletters I can create through the API?”
Tell an agent
Create a newsletter with subject {subject} for list {campaign} from {fromField}.
Send a newsletter named {name} with content {content} using send settings {sendSettings}.
POST /newsletters/send-draft Send a newsletter draft · Send the newsletter draft #
Ask an LLM
“Can I send a newsletter I already saved as a draft?”
“What do I need to provide to send out an existing draft?”
Tell an agent
Send draft {messageId} with send settings {sendSettings}.
Send out my saved draft {messageId} now using {sendSettings}.
GET /newsletters/statistics Get combined newsletter statistics · Total newsletter statistics #
Ask an LLM
“What are the total opens and clicks across several newsletters?”
“Can I get aggregated newsletter stats for a whole list?”
Tell an agent
Show combined statistics for newsletters {newsletterId}.
Get total newsletter stats for list {campaignId} grouped by {groupBy}.

Documentation

📖
Documentation
https://apidocs.getresponse.com/v3
📖
APIReference
https://apireference.getresponse.com/
📖
Authentication
https://apidocs.getresponse.com/v3/authentication
📖
RateLimits
https://apidocs.getresponse.com/v3/limits

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/getresponse/refs/heads/main/openapi/getresponse-newsletters-api-openapi.yml

Other Resources

🔗
Webhooks
https://apidocs.getresponse.com/v3/webhooks
🔗
ErrorCatalog
https://apidocs.getresponse.com/v3/errors
🔗
Postman
https://apidocs.getresponse.com/getresponse-postman-collection.zip

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OpenAPI Specification

getresponse-newsletters-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: GetResponse APIv3 Newsletters API
  description: '# Limits and throttling


    GetResponse API calls are subject to throttling to ensure a high level of service for all users.'
  contact:
    name: API Support - DevZone
    url: https://app.getresponse.com/feedback.html?devzone=yes
    email: getresponse-devzone@cs.getresponse.com
  version: 3.2026-07-28T07:58:55+00:00
  x-logo:
    url: https://us-ws.gr-cdn.com/images/global/getresponse.png
servers:
- url: https://api.getresponse.com/v3
  description: GetResponse
- url: https://api3.getresponse360.com/v3
  description: GetResponse MAX US
- url: https://api3.getresponse360.pl/v3
  description: GetResponse MAX PL
tags:


# --- truncated at 32 KB (70 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/getresponse/refs/heads/main/openapi/getresponse-newsletters-api-openapi.yml