Customer.io

Customer.io Newsletters API

Retrieve information about newsletters and newsletter variants.

GitHub OpenAPI
Business capability
Digital Marketing Management BC-400.60

Operations 4

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 /v1/newsletters List newsletters · List one-time sends #
Ask an LLM
“What newsletters have I created?”
“Can I list my newsletters newest first?”
Tell an agent
List my newsletters.
Show the {limit} most recent newsletters sorted {sort}.
POST /v1/newsletters Create and send or schedule a newsletter · Create and send a one-time send #
Ask an LLM
“How do I create a newsletter and send it right away through the API?”
“Can I create a newsletter and schedule it for later in one call?”
Tell an agent
Create a newsletter and send it now.
Create a new newsletter and schedule it for next Monday.
GET /v1/newsletters/{newsletter_id} Get a newsletter · Get a one-time send #
Ask an LLM
“How do I look up one newsletter's settings and status?”
“Was a particular newsletter already sent?”
Tell an agent
Get newsletter {newsletter_id}.
Show metadata for newsletter {newsletter_id}.
DELETE /v1/newsletters/{newsletter_id} Delete a newsletter · Delete a one-time send #
Ask an LLM
“How do I delete a newsletter I don't need anymore?”
“Does deleting a newsletter remove its metrics too?”
Tell an agent destructive · confirm first
Delete newsletter {newsletter_id}.
Remove newsletter {newsletter_id} with its content and metrics.

Documentation

📖
Documentation
https://docs.customer.io/integrations/api/app/
📖
Documentation
https://docs.customer.io/integrations/data-in/connections/http-api/

Specifications

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

Schemas & Data

📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/json-schema/customer-io-create-email-newsletter-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/json-schema/customer-io-create-inbox-newsletter-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/json-schema/customer-io-create-webhook-newsletter-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/json-schema/customer-io-create-push-newsletter-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/json-schema/customer-io-create-in-app-newsletter-schema.json
📊
JSONSchema
https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/json-schema/customer-io-create-sms-newsletter-schema.json

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OpenAPI Specification

customer-io-newsletters-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  version: 1.0.0
  title: Customer.io Journeys API Reference Newsletters API
  description: Customer.io provides REST APIs to send real-time customer data, retrieve data from your account, and trigger messages.
servers:
- url: https://track.customer.io
  description: The base URL for the Track API. Track endpoints use basic authentication with your Site ID as the user name and your secret key as the password.
- url: https://track-eu.customer.io
  description: The base URL for the Track API (EU region). Track endpoints use basic authentication with your Site ID as the user name and your secret key as the password.
- url: https://api.customer.io
  description: The base URL for broadcasts, transactional messages, and data-retrieval APIs. These endpoints use bearer authorization, and require a [token that you generate in the UI](https://fly.customer.io/settings/api_credentials?keyType=app).
- url: https://api-eu.customer.io
  description: The base URL for broadcasts, transactional messages, and data-retrieval APIs (EU region). These endpoints use bearer authorization, and require a [token that you generate in the UI](https://fly.customer.io/settings/api_credentials?keyType=app).
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/customer-io/refs/heads/main/openapi/customer-io-newsletters-api-openapi.yml