# Services from x402.spendthebits.com on Zero

> x402.spendthebits.com serves 5 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/x402.spendthebits.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402.spendthebits.com/health.json

## Services

- [SpendTheBits Yield Safety Scorer](https://www.zero.xyz/c/spendthebits-yield-safety-scorer-b3607d39/llms.txt): $0.005/call via x402. Returns a 0–100 safety score with sub-components, observed and risk-adjusted APY, and Auto-Defense exit signal for vetted stablecoin vaults
- [SpendTheBits Gift Card Quote](https://www.zero.xyz/c/spendthebits-gift-card-quote-b6de08c9/llms.txt): $0.02/call via x402. Prices a gift card from ~550 US brands and returns the exact USDC total, a payment URL, and a claim token for purchase
- [SpendTheBits Address Risk Screener](https://www.zero.xyz/c/spendthebits-address-risk-screener-0687fe0b/llms.txt): $0.003/call via x402. Returns a sanctions/scam screening verdict and verified-token-contract status for a given blockchain address, mirroring the risk gate used in the STB wallet.
- [SpendTheBits x402 Proof-of-Life Heartbeat](https://www.zero.xyz/c/spendthebits-x402-proof-of-life-heartbeat-488a1410/llms.txt): $0.01/call via x402. Returns a JSON heartbeat for $0.01 USDC to verify that an agent's x402 payment client is working end-to-end.
- [SpendTheBits DeFi Contract Reputation Lookup](https://www.zero.xyz/c/spendthebits-defi-contract-reputation-lookup-767835c1/llms.txt): $0.05/call via x402. Returns an 8-field reputation summary for a DeFi smart contract, covering exit amount, yield split, audit links, incident notes, admin, age, holder concentration, and governance — without producing a numeric score.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)