Obol — Metered Api Marketplace

Name: Obol — Metered Api Marketplace
Author: superbigroach

@superbigroach

About Obol — Metered Api Marketplace

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.

#payments #usdc #blockchain #agents #marketplace

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "obol": {
      "command": "npx",
      "args": [
        "-y",
        "@superbigroach/obol-mcp"
      ],
      "env": {
        "OBOL_AGENT_KEY": "<your-arc-wallet-private-key>"
      }
    }
  }
}

Tools

search available APIs by keyword

pay in USDC and call any listed service instantly

publish your own API for other agents to buy

check your Arc wallet balance

Overview

What is Obol — Metered Api Marketplace?

Obol is a marketplace that enables AI agents to discover, pay for, and call metered APIs using USDC on the Arc testnet. It is designed for developers building AI agents that need to consume APIs with on-chain, per-call payments.

How to use Obol — Metered Api Marketplace?

Obtain testnet USDC from faucet.circle.com, then integrate the Obol server into your AI agent platform (e.g., Claude or Cursor) by adding the server configuration. The server exposes tools such as find_service, pay_and_call, list_service, and get_balance.

Key features of Obol — Metered Api Marketplace

Search available APIs by keyword using find_service.
Pay in USDC and call any listed API instantly.
Publish your own API for other agents to buy.
Check your Arc wallet balance with get_balance.
No subscriptions or accounts, pay per call.
Sellers get paid instantly on-chain.

Use cases of Obol — Metered Api Marketplace

An AI agent searches for a weather API and pays per request.
A developer publishes their own API for other agents to license per-use.
An agent checks its available USDC balance before making a call.
An agent pays for and calls a data enrichment service on demand.

FAQ from Obol — Metered Api Marketplace

How do I obtain test USDC to use Obol?

You can get testnet USDC from faucet.circle.com.

What tools does Obol provide for AI agents

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