Pay-per-call API marketplace for AI agents. Discover and pay for metered services in USDC on Arc — no subscription, no account. Agents pay per call, sellers earn instantly.
Overview
Obol — Metered API Marketplace
Let any AI agent find, pay for, and call metered APIs in USDC on Arc testnet.
Tools
- find_service — search available APIs by keyword
- pay_and_call — pay in USDC and call any listed service instantly
- list_service — publish your own API for other agents to buy
- get_balance — check your Arc wallet balance
Why Obol
No subscriptions. No accounts. Agents pay fractions of a cent per call, settled on-chain. Sellers get paid instantly.
Quickstart
Get testnet USDC at faucet.circle.com, then add to Claude/Cursor config with your Arc wallet key.
Server Config
{
"mcpServers": {
"obol": {
"command": "npx",
"args": [
"-y",
"@superbigroach/obol-mcp"
],
"env": {
"OBOL_AGENT_KEY": "<your-arc-wallet-private-key>"
}
}
}
}