APIHub
Discover and call hundreds of paid APIs from any MCP client using prepaid USDC credits — no wallet, no gas, no per-provider SDKs.
APIHub MCP Server
MCP server for APIHub — discover and call paid APIs with USDC credits. No wallet, no gas, no per-provider SDKs.
- Hosted endpoint:
https://mcp.apihub.io/mcp - Transport: Streamable HTTP
- Protocol version:
2025-03-26 - Auth: Bearer token (get a free key at apihub.io)
Tools
| Tool | Description |
|---|---|
apihub_search | Search for APIs by capability, category, or price range |
apihub_list_services | List available onboarded API services |
apihub_get_service | Fetch full details for a specific service |
apihub_call | Make a paid API call through the proxy (debits credits) |
apihub_search_external | Search the external x402 catalog |
apihub_call_external | Call any external x402 API via credits |
apihub_read_content | Fetch and parse a web page through a paid content gateway |
apihub_topup | Get payment instructions to top up your credit balance |
apihub_balance | Check your credit balance and spending history |
Quick start
Claude Desktop / Cursor / Codex
Add to your MCP config:
{
"mcpServers": {
"apihub": {
"url": "https://mcp.apihub.io/mcp",
"headers": {
"Authorization": "Bearer ahk_your_api_key"
}
}
}
}
APIHub CLI
npx @apihubio/cli install # writes the MCP config for you
npx @apihubio/cli register # get an API key
npx @apihubio/cli topup 10 # fund with $10 USDC
Why credits instead of per-call x402
- Gasless: pay on-chain once when topping up, not per request
- Walletless: no USDC, no EIP-3009 signing, no gas
- Works in any MCP client: just a Bearer token header
- Instant: D1 debit at the edge, no block confirmations per call
Learn more
- MCP documentation: https://apihub.io/docs/agents/mcp
- CLI documentation: https://apihub.io/docs/agents/cli
- Full docs: https://apihub.io/docs
- Provider onboarding: https://apihub.io/docs/providers/onboarding
- Base x402 protocol: https://x402.org
License
The hosted service is operated by APIHub. This repository contains integration documentation only.
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