sendly-now Topics API

The subjects you mail about, and what each contact has said about them. A topic answer is a standing decision rather than an audience filter: it applies whatever audience a campaign selects, so it cannot be routed around by choosing a different one.

Operations 6

GET /api/v1/contacts/{id}/topics Get a contact's topic preferences #
GET /api/v1/topics List topics #
POST /api/v1/topics Create a topic #
GET /api/v1/topics/{id} Retrieve a topic #
PATCH /api/v1/topics/{id} Update a topic #
POST /api/v1/topics/{id}/subscriptions Subscribe or unsubscribe a contact from a topic #

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/sendly-now:sendly-now-topics-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.

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

OpenAPI Specification

sendly-now-topics-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: Sendly Now Topics API
  version: 1.0.0
  contact:
    name: Sendly Support
    url: https://sendly.now
  license:
    name: AGPL-3.0
    url: https://www.gnu.org/licenses/agpl-3.0.txt
  description: 'Operations tagged Topics across 2 of this provider''s published API definitions: openapi.json, sendly-now-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.sendly.now
tags:


# --- truncated at 32 KB (33 KB total) ---
# Full source: https://artifacts.apis.io/sendly-now/openapi/sendly-now-topics-api-openapi.yml