Sinch

Sinch Conversation Batch API

Send Conversation API messages and run contact and consent operations in bulk.

GitHub OpenAPI

Operations 7

POST /v1/projects/{project_id}/messages Send a batch of messages #
DELETE /v1/projects/{project_id}/messages Cancel scheduled messages #
GET /v1/projects/{project_id}/messages Get the status of batches by metadata #
GET /v1/projects/{project_id}/messages/{batch_id} Get the status of batch of messages #
POST /v1/projects/{project_id}/contacts Create contacts #
DELETE /v1/projects/{project_id}/contacts Delete contacts #
POST /v1/projects/{project_id}/consents Insert consent records #

Documentation

📖
Documentation
https://developers.sinch.com/docs/conversation/

Specifications

⚙
OpenAPI
https://artifacts.apis.io/sinch/openapi/sinch-conversation-batch-api-openapi.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/sinch:sinch-conversation-batch-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

sinch-conversation-batch-api-openapi.yml Raw ↑ 
openapi: 3.2.0
tags:
- name: Messages
  description: Send a message to one or many recipients. This API supports the same [channels](https://developers.sinch.com/docs/conversation/channel-support/) as Conversation API.
- name: Contacts
  description: Create or delete contacts in batches.
- name: Consents
  description: Manage Conversation API consents in batches.
info:
  description: Perform batch operations on select Conversation API resources.
  title: Conversation API - Batch API | Sinch
  version: '1.0'
  license:
    name: MIT
    url: https://www.sinch.com/legal
  contact:
    email: support@sinch.com
    name: support at sinch
servers:
- url: https://{region}.conversationbatch.api.sinch.com
  variables:
    region:
      default: us
      enum:
      - us
      - eu
      - br
  description: The {region} variable must be set to either us, eu, or br
security:


# --- truncated at 32 KB (104 KB total) ---
# Full source: https://artifacts.apis.io/sinch/openapi/sinch-conversation-batch-api-openapi.yml