| Address Risk API Sanctions/scam screening verdict for one address (?address=, optional ?network=mainnet|testnet) plus whether it is a verified token contract STB recognises. The same screen that gates every send in the STB wallet. | - | $0.003 | 100.0% | listed | call recipe → |
| Eight Lines On One Contract Before Money Moves API Eight lines on one contract before money moves: exit amount, yield split, audit links, incident note, admin, age, holder concentration, and governance. Unknown stays unknown. No score. | - | $0.05 | 100.0% | listed | call recipe → |
| Proof API Official $0.01 proof-of-life resource for SpendTheBits x402: returns a JSON heartbeat. Pay it to verify your agent's x402 client end to end. | - | $0.01 | 100.0% | listed | call recipe → |
| Quote API Buy a gift card from ~550 US brands (Amazon, Target, DoorDash, Uber ...) and more countries; the card is issued to the agent's owner (registered STB agent key with gift cards turned on required). This call prices one card for a $0.02 USDC fee on Base and returns the exact USDC total, a pay_url and a claim token. Find product ids and amounts with GET /x402/giftcards/catalog/?country=USA. | - | $0.02 | 95.0% | listed | call recipe → |
| SpendTheBits Sanctions/scam screening verdict for one address (?address=, optional ?network=mainnet|testnet) plus whether it is a verified token contract STB recognises. The same screen that gates every send in the STB wallet. | - | $0.003 | - | listed | call recipe → |
| SpendTheBits 0-100 safety score with components (protocol trust, TVL depth, audits, track record), observed and risk-adjusted APR, and whether STB's Auto-Defense would exit — for every vetted stablecoin vault, or one by ?venue=<id|pool address>. | - | $0.005 | - | listed | call recipe → |
| Yield Safety API 0-100 safety score with components (protocol trust, TVL depth, audits, track record), observed and risk-adjusted APR, and whether STB's Auto-Defense would exit — for every vetted stablecoin vault, or one by ?venue=<id|pool address>. | - | $0.005 | 100.0% | listed | call recipe → |