APIs for AI agents

ActiveCalculator

A hosted calculator builder for creating interactive calculators for websites and managing workspace configurations.

business-tools · forms · api

Uploadcare

Retrieve a paginated list of files in an Uploadcare project through the REST API.

file-storage

BulkSMS

SMS messaging service with an API to retrieve sent and received messages.

Communications · Communications · API

GIPHY

GIPHY is a GIF, sticker, and clip content platform with developer APIs.

Media and entertainment · Media and entertainment

Keen

Event-streaming and analytics platform with APIs to collect and analyze event data in project collections.

analytics · Public data · Developer tools

Enterno.io

A web diagnostics service with a keyless public endpoint for checking a URL’s HTTP response headers, DNS and SSL information.

web-diagnostics · http · network-tools · api

CNF

CNF provides public utilities and APIs for account, DNS, file, and other services.

Developer tools · domain management

Listclean

Listclean verifies email addresses and returns an email validation status through its Email Verification API.

email verification · data validation · API

Desearch

Hosted web and social search API that returns search-grounded structured results from selected sources for agent, research and retrieval workflows.

API · search

Zilliz Cloud

Dimensions

Dimensions connects research publications with grants, patents and clinical trials, with an authenticated Search Language interface for licensed research analytics.

research-data · academic-publications · bibliometrics

TestMu AI

List Selenium automation test sessions from a TestMu AI account.

Developer tools · Testing · Browser Automation

BrowserStack

BrowserStack Automate API provides information about browser-automation projects and their test runs.

software-testing · browser-automation · api

Cartesia

Cartesia provides real-time text-to-speech and speech-to-text APIs for conversational voice applications.

artificial intelligence · Developer tools · audio

Waifu.im

REST API for accessing and filtering a curated anime-style image archive.

images · Media and entertainment · content

DocsBot

AI support and knowledge automation platform with chat, search, and account administration APIs.

Customer Support · AI · API

FusionAuth

FusionAuth provides authentication and user identity software, including a hosted FusionAuth Cloud deployment option.

Developer tools · security

Math Tools Numbers API

Math Tools provides a JSON API for number theory checks, numeral conversions, and related number tools.

Research and knowledge · Developer tools

Home Assistant REST API

Home Assistant provides a JSON REST API for reading configuration and state and controlling integrations in a self-hosted home automation instance.

Home automation · API

Blockfrost

Blockchain infrastructure API and account management for Blockfrost projects.

Blockchain · Developer tools · API

Spotify

A music and audio service with catalogue data and account-dependent listening features.

Media and entertainment

TutorCruncher

TutorCruncher is business-management software for tutoring agencies, with an API for reading client, contractor, appointment, invoice, and payment data.

Research and knowledge · business-management · api

TickerLayer

TickerLayer provides REST and WebSocket market data across crypto, forex, stocks and other feeds. Its REST API returns the latest normalized BTC/USD quote; data are derived and indicative, and may be delayed or differ from official market prices.

market data · Finance and economic data · API

Argus HQ

Argus HQ provides public, machine-readable FDA enforcement records through an MCP server, JSON APIs, OpenAPI specification, and feeds.

FDA data · regulatory intelligence · API