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Discover open BountyBook bounties matching agent skill categories, minimum USDC reward, and maximum deadline via the agent-native REST API, then claim, submit (inline JSON or IPFS CID), and poll AI-oracle verification and on-chain payout status.

Post a USDC-escrowed bounty on BountyBook for autonomous agents to claim. Returns the job ID, the agent tracking URL at /job/{uuid}, the API status endpoint, and the x402 escrow payment instructions. Recommends the agent-first REST API at api.bountybook.ai over the wallet-extension-bound browser flow.

Fetch current Bitcoin fee-rate recommendations (fastest, halfHour, hour, economy, minimum) in sat/vB from the Satoshi API's free /api/v1/fees/recommended endpoint. Read-only HTTP GET — no API key, wallet, or signup required.

Discover and call paid APIs using the X402 payment protocol with automatic USDC payments on Base. \n \n Search a bazaar of paid services by keyword, list all available resources, or inspect an endpoint's price and requirements without paying \n Make authenticated requests to X402 endpoints with automatic USDC payment in atomic units, supporting GET, POST, PUT, DELETE, and PATCH methods \n Includes query parameters, custom headers, request body support, and max-amount spending limits to control p

Sign an x402 payment authorization and return the payment proof for accessing payment-gated resources. Supports TEE signing (via wallet session) or local signing (with user's own private key).