Thanks.io

Thanks.io Mailing Lists API

The Mailing Lists API from Thanks.io — 5 operation(s) for mailing lists.

GitHub OpenAPI

Operations 7

GET /mailing-lists/ List All #
POST /mailing-lists/ Create Mailing List #
GET /mailing-lists/{mailingListId} Get Details #
DELETE /mailing-lists/{mailingListId} Delete Mailing List #
GET /mailing-lists-utils/recipients/{mailingListId} List Recipients #
POST /mailing-lists-utils/buy-radius-search Radius Search #
POST /mailing-lists-utils/count-radius-search Radius Search Count #

Specifications

⚙
OpenAPI
https://artifacts.apis.io/thanks-io/openapi/thanks-io-mailing-lists-api-openapi.yml

Schemas & Data

📊
JSONSchema
https://artifacts.apis.io/thanks-io/json-schema/thanks-io-send-mailer-order-response-schema.json
📊
JSONSchema
https://artifacts.apis.io/thanks-io/json-schema/thanks-io-send-mailer-base-schema.json
📊
JSONSchema
https://artifacts.apis.io/thanks-io/json-schema/thanks-io-order-item-schema.json
📊
JSONSchema
https://artifacts.apis.io/thanks-io/json-schema/thanks-io-recipient-create-schema.json
📊
JSONSchema
https://artifacts.apis.io/thanks-io/json-schema/thanks-io-recipient-schema.json
📊
JSONSchema
https://artifacts.apis.io/thanks-io/json-schema/thanks-io-estimate-response-schema.json

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/thanks-io:thanks-io-mailing-lists-api"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

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

thanks-io-mailing-lists-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: thanks.io Mailing Lists API
  description: Use the thanks.io API to send postcards, letters, notecards, windowless letters, and gift cards.
  contact:
    url: https://thanks.io
    email: support@thanks.io
  version: 1.0.0
servers:
- url: https://api.thanks.io/api/v2
  description: The main API server for thanks.io
security:
- bearerAuth: []
tags:


# --- truncated at 32 KB (33 KB total) ---
# Full source: https://artifacts.apis.io/thanks-io/openapi/thanks-io-mailing-lists-api-openapi.yml