Use Case

AI Agents & Agentic Workflows

Building, orchestrating, and debugging autonomous AI agents.

63 providers 350 APIs 49 declared variants

APIs and tooling for agentic systems — giving agents tools to call, orchestrating multi-agent workflows, and evaluating or debugging agent behavior in production. Includes MCP servers and agent-native surfaces.

63 API providers on the APIs.io network offer ai agents & agentic workflows. The highest-rated are Unified.to, Postman, Paragon, ChatGPT, MuleSoft.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 5 Complete, well-documented, and agent-ready
Unified.to Unified is a real-time unified API platform that provides access to over 360 integrations across 22 categor... 14 APIs 77.1 Postman Postman is the world's leading API platform, used by 35+ million developers to design, build, test, documen... 17 APIs 75.3 Paragon Paragon is the Integration Infrastructure Platform for B2B SaaS and AI products. The platform combines Conn... 6 APIs 70.9 ChatGPT OpenAI's ChatGPT API for conversational AI and language model interactions. 13 APIs 70.6 MuleSoft MuleSoft Anypoint Platform is an enterprise integration and API management platform offering an API gateway... 6 APIs 70.4
Strong 16 Solid coverage with minor gaps
Amazon API Gateway Amazon API Gateway is a fully managed service that makes it easy to create, publish, maintain, monitor, and... 4 APIs 69.9 Kraken Kraken is one of the world's largest and longest-running cryptocurrency exchanges, founded in 2011 and head... 14 APIs 69.7 Apidog Apidog is an all-in-one API development platform that connects the entire API lifecycle: visual API design,... 1 API 69.1 Merge Merge is the connective infrastructure for production AI. The Merge Unified API offers one API surface acro... 11 APIs 69.0 Novu Novu is the open-source notification infrastructure for developers. A single REST API and workflow engine r... 5 APIs 68.8 Auth0 Auth0 (now part of Okta) is a leading identity-as-a-service platform providing authentication and authoriza... 6 APIs 68.0 Vital Vital (now operating as Junction, formerly tryVital) is a health-data API platform that gives digital-healt... 8 APIs 65.1 WSO2 WSO2 API Manager is an open-source API management platform supporting REST, SOAP, and GraphQL with flexible... 8 APIs 64.5 Microsoft Entra Microsoft Entra (formerly Azure Active Directory) provides identity and access management services includin... 14 APIs 64.0 Tray.ai Tray.ai (formerly Tray.io) is an AI-ready enterprise orchestration platform for data and AI, combining a Me... 2 APIs 63.3 Scryfall Scryfall is the most comprehensive free Magic - The Gathering card database. The Scryfall API exposes Cards... 1 API 63.1 AgentQL AgentQL connects LLMs and AI agents to the entire web through a specialized query language, REST API, and P... 3 APIs 63.0 Freestyle Freestyle is the infrastructure for code you didn't write — VMs and Git for AI agents. The platform provide... 8 APIs 61.8 WeatherAPI WeatherAPI.com provides real-time, forecast, historical, marine, future, astronomy, air quality, pollen, sp... 1 API 61.6 Efí Pay (Gerencianet) Efí Pay (formerly Gerencianet) is a Brazilian fintech and Banco Central-licensed payment institution headqu... 6 APIs 60.9 TVmaze TVmaze is a community-driven TV show database that publishes a free RESTful API for TV show, episode, seaso... 2 APIs 60.3
Developing 20 Usable, with meaningful gaps to close
Barndoor Barndoor AI is the control plane for agentic AI, providing secure access and governance for AI agents and M... 8 APIs 59.8 StackOne StackOne is an AI-powered embedded integration platform as a service (iPaaS) designed to simplify and accel... 12 APIs 59.4 Chroma Chroma (Chroma DB) is an open-source AI-native embedding database designed to make it easy to build LLM app... 4 APIs 59.3 Wolfram|Alpha Wolfram|Alpha is a computational knowledge engine that provides answers to natural language queries using a... 6 APIs 59.3 Currencylayer Currencylayer is a real-time and historical foreign exchange rate JSON API delivering bank-grade exchange r... 1 API 58.4 Bifrost Bifrost is a high-performance open-source AI gateway that unifies access to 20+ AI providers through a sing... 3 APIs 56.7 AlphaSense AlphaSense is an AI-powered market intelligence and search platform used by hedge funds, banks, corporates,... 12 APIs 56.3 Trakt Trakt is the personal media database for movies and TV. Its API v2 (api.trakt.tv) exposes ~150 endpoints ac... 1 API 56.2 Activepieces Activepieces is an open-source, no-code automation platform that enables users to streamline workflows by c... 1 API 56.1 Ampersand Ampersand is a developer-first platform for building native SaaS integrations. It provides an embeddable UI... 1 API 55.7 Lunar.dev Lunar.dev is an enterprise-grade gateway platform for AI governance and third-party API consumption control... 2 APIs 53.5 Hatchet Hatchet is an open-source distributed task queue and workflow orchestration engine for background jobs, AI ... 1 API 53.1 ReqRes ReqRes (reqres.in) is a hosted REST API originally launched by Ben Howdle as a free no-auth fake-API surfac... 1 API 51.3 The Racing API High performance API for horse racing statistical modelling, application development and web content. Compl... 1 API 49.5 Solo.io Solo.io provides enterprise infrastructure for cloud-native and AI-native environments, including API gatew... 4 APIs 49.3 AgentGateway AgentGateway is an open-source, AI-native proxy and gateway for routing, observing, and governing traffic t... 1 API 48.9 Knit Knit is a unified API platform for B2B products, AI agents, and MCP clients, providing integrations infrast... 1 API 48.5 Cerbos Cerbos is an open-core, language-agnostic, scalable authorization platform that decouples access control fr... 6 APIs 47.8 Amazon Nova Amazon Nova is a new generation of state-of-the-art foundation models from Amazon that deliver a compelling... 1 API 46.8 Budibase Budibase is an open source low-code platform for building AI agents, internal tools, and workflow automatio... 1 API 45.2
Thin 8 Limited public surface area
Casdoor Casdoor is an open-source, AI-first identity and access management (IAM) and MCP gateway authentication ser... 8 APIs 42.2 Descope Descope is a customer and agentic identity access management (CIAM) platform founded in 2022 by veterans of... 5 APIs 41.6 Nominatim Nominatim is an open-source (BSD-2-Clause) search engine for OpenStreetMap data, supporting forward geocodi... 1 API 41.3 Anchor Browser Anchor Browser is an AI-native cloud browser infrastructure platform that lets AI agents interact with the ... 3 APIs 40.9 The Philadelphia Inquirer The Philadelphia Inquirer is the largest newspaper in Pennsylvania, owned by the nonprofit Lenfest Institut... 3 APIs 37.4 Kong AI Gateway Kong AI Gateway is the AI-native capability layer built on top of Kong Gateway and managed through Kong Kon... 21 APIs 34.7 Lakera Lakera is an AI security company building runtime defenses for generative AI applications. Its flagship Lak... 3 APIs 32.1 Sourcegraph Sourcegraph is a code intelligence platform that lets developers and AI agents search, navigate, understand... 10 APIs 30.8
Emerging 13 Early or largely undocumented
Conductor OSS Conductor OSS is the Netflix-founded, Orkes-stewarded open source workflow and agentic AI orchestration pla... 2 APIs 28.7 Restate Restate is a durable execution platform for building resilient distributed applications, microservice orche... 3 APIs 28.7 Pagar.me Pagar.me is the API-first online payments platform from Stone Co., one of Brazil's largest financial techno... 17 APIs 27.6 Eyevinn Technology Eyevinn Technology is a Stockholm, Sweden based video streaming consultancy and open source company special... 8 APIs 27.5 Patronus AI Patronus AI is an evaluation and guardrails platform for production LLM applications and AI agents. It comb... 7 APIs 27.5 Surge AI Surge AI is a human-data company that provides large-scale, expert-quality labeled data for training and ev... 11 APIs 26.8 Confident AI Confident AI is the company behind DeepEval, the widely adopted open-source LLM evaluation framework, and t... 3 APIs 26.4 ApiShare ApiShare is an API governance platform that provides a unified operational model for API lifecycle manageme... 1 API 26.3 Arize AI Arize AI is an AI engineering and observability platform for LLM applications, agents, and traditional ML s... 4 APIs 25.9 AgentOps AgentOps is an observability, evaluation, and debugging platform for AI agents. Its open-source Python SDK ... 3 APIs 24.9 Mercor Mercor is an AI-powered talent and human-intelligence marketplace that organizes expert humans to power fro... 7 APIs 24.0 SiteMinder SiteMinder is an Australian hotel commerce platform (ASX SDR) that connects hotels with more than 450 onlin... 5 APIs 21.0 FastMCP FastMCP is the fast, Pythonic framework for building Model Context Protocol (MCP) servers, clients, and app... 6 APIs 19.7
Minimal 1 Almost no public developer surface
Ragas Ragas is an open-source evaluation toolkit for Large Language Model applications, with particular depth on ... 1 API 14.7

What Providers Actually Declared

This use case is a canonical term. These are the free-text strings providers wrote in their own apis.yml that map onto it.

AI Agent Access ControlAI Agent BookingAI Agent DebuggingAI Agent DevelopmentAI Agent Driven DevOpsAI Agent EvaluationAI Agent GovernanceAI Agent IdentityAI Agent Identity ManagementAI Agent InfrastructureAI Agent IntegrationAI Agent MemoryAI Agent NotificationsAI Agent OrchestrationAI Agent PaymentsAI Agent ProtectionAI Agent TestingAI Agent Tool Calling (ActionKit + MCP)AI Agent ToolingAI Agent TradingAI Agent Web AccessAI AgentsAI Agents With Map ToolsAI Agents and ChatbotsAI Agents and MCP ToolsAI agents / MCPAI agents over patient health dataAI agents that take paymentsAgent DebuggingAgent EvaluationAgentic ApplicationsAgentic Code ToolingAgentic EvalsAgentic Identity for AI AgentsAgentic Research AutomationAgentic Tool GovernanceAgentic Web AutomationAgentic WorkflowsAgentic tool useConsolidating Mcp Servers

Showing 40 of 49 declared variants