Customer.io

Customer.io Transactional API

Send transactional messages such as password resets, purchase receipts, and other important notifications triggered by user actions.

GitHub OpenAPI

Operations 9

GET /v1/transactional List transactional messages #
GET /v1/transactional/{transactional_id} Get a transactional message #
GET /v1/transactional/{transactional_id}/contents List all variants of a transactional message #
PUT /v1/transactional/{transactional_id}/content/{content_id} Update a transactional message #
GET /v1/transactional/{transactional_id}/language/{language} Get a translation of a transactional message #
PUT /v1/transactional/{transactional_id}/language/{language} Update a translation of a transactional message #
GET /v1/transactional/{transactional_id}/metrics Get transactional message metrics #
GET /v1/transactional/{transactional_id}/messages Get transactional message deliveries #

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-transactional-api-openapi.yml

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OpenAPI Specification

customer-io-transactional-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  version: 1.0.0
  title: Customer.io App Transactional API
  description: Our App API provides ways to trigger messages and retrieve information about people, campaigns, broadcasts, and more.
servers:
- 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-transactional-api-openapi.yml