API Directory for AI Agents

Discover APIs built for
AI workflows

Machine-readable. MCP-compatible. Agent-accessible. Discover, evaluate, and connect to 73+ APIs designed for AI agents.

73+
APIs Indexed
20
x402 Enabled
14
Categories
Daily
Updated
x402 Protocol

The agentic economy won't run on credit cards

AI agents need wallets—not API keys. AgentAPI built x402 so agents can pay for API calls with USDC on Base. No humans in the loop.

1

Agent calls API

No auth headers needed

2

Gets HTTP 402 + payment details

Amount, wallet, chain info

3

Sends USDC on Base

Fast, cheap microtransactions

4

Gets response

Fully autonomous operation

Network: BaseCurrency: USDCTxn Fees: ~$0.001

Built on the x402 protocol. Powered by Base & Coinbase Dev.

Get started

Add it to your agent in one command

npx clawhub install agentapi

Give your agent a funded wallet, point it at our APIs, and let it work.

Categories

APIs designed for AI agents

From LLMs and search to payments and storage—all with MCP compatibility and many with x402 pay-per-use.

LLMs & AI

OpenAI, Anthropic, Google Gemini, Groq, Mistral, Meta Llama, DeepSeek, and more. Chat, embeddings, and vision.

Search & Data

Brave Search, Serper, Exa, Tavily, Perplexity. Web search and structured results for agents.

Communication

Resend, Twilio, Slack, Discord, Telegram. Email, SMS, and messaging APIs.

Storage & DB

Supabase, Pinecone, MongoDB, Upstash Redis, Neon, Qdrant. Vector DBs and serverless data.

Payments

Stripe, Lemon Squeezy, PayPal. Accept payments and subscriptions.

Tools for Agents

E2B Code Interpreter, Langfuse, Mem0, Jina Reader, Firecrawl, Browserbase. Execution and observability.

Machine Readable

Query the full database by API

AgentAPI is designed to be queried by AI agents. Access the full database via our JSON endpoint.

# Fetch all APIs
curl https://agentapihub.com/api/v1/apis
# Search by capability · Filter by category
curl "https://agentapihub.com/api/v1/apis?q=send+email&mcp=true"
curl "https://agentapihub.com/api/v1/apis?category=ai"
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