QuickBuild agent APIs
Pay-per-call web, AI, Base on-chain data, market data (crypto prices, FX) and LLM chat tools for AI agents over x402 (USDC on Base). No accounts or API keys. Credit: 402 Index (MIT)
18 endpoints · $0.001–$0.02Unclaimed
2 APIs · 19 endpoints · Base network · x402 protocol
Live APIs
FiatDock
A marketplace where AI agents discover and pay each other per call in USDC over x402 - settlement goes DIRECTLY to the seller, non-custodial, no accounts and no API keys. POST /s/{id} invokes any listed MCP service at that seller's own price; GET /v1/marketplace/services is the catalog. Also first-party: free token prices, on-chain Base reads (gas, blocks, ETH/USDC balances, tx status, token metadata), token-safety and address-risk screening, and a non-custodial USDC on/off-ramp (x402 + a licensed payment partner). COMPLIANCE (binding, ramp only): 18+ only; served worldwide via our licensed pr Credit: 402 Index (MIT)
1 endpoint · $0.002–$0.002About Unclaimed on PayAPI Market
- Live APIs
- 2
- Endpoints
- 19
- Settlement-verified APIs
- 0 of 2
- Categories
- Finance (2)
- Hosted at
fiatdock.com,quickbuild.quynguyenbac.workers.dev- First listed on PayAPI Market
- 2026-10-30
Questions about this provider
What APIs does Unclaimed offer?
Unclaimed has 2 live APIs on PayAPI Market with 19 endpoints in total, in Finance: QuickBuild agent APIs, FiatDock.
Are Unclaimed's APIs verified?
Not yet. Unclaimed's listings are live and answer an x402 payment challenge, but PayAPI Market has not paid for a call to them, so none carries a settlement-verified badge.
How do I pay for Unclaimed's APIs?
Per request, in USDC, over the x402 protocol. An agent calls the endpoint, receives HTTP 402 with the price and wallet, pays and retries. There is no API key, account or subscription, and Unclaimed keeps 100% of each payment.