# Services from www.api-xpay.com on Zero

> www.api-xpay.com serves 8 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/www.api-xpay.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/www.api-xpay.com/health.json

## Services

- [X Pay SHA-256 Hash API](https://www.zero.xyz/c/x-pay-sha-256-hash-api-d4560bba/llms.txt): $0.001/call via x402. Computes a SHA-256 hash of a provided HTTP request body payload, returning the hex digest, paid per-call via USDC on Base using x402.
- [X Pay Summarize](https://www.zero.xyz/c/x-pay-summarize-6648949b/llms.txt): $0.01/call via x402. Summarizes arbitrary text content via a pay-per-request POST endpoint using USDC micropayments on Base.
- [X Pay Echo](https://www.zero.xyz/c/x-pay-echo-921ec111/llms.txt): $0.001/call via x402. Echoes back a submitted payload as a simple test of the x402 pay-per-request infrastructure using USDC on Base.
- [X Pay UUID Generator](https://www.zero.xyz/c/x-pay-uuid-generator-1072fb17/llms.txt): $0.001/call via x402. Generates a unique UUID via a pay-per-request HTTP GET call, billed at $0.001 USDC on Base via x402.
- [X Pay Service Status & Payment Configuration](https://www.zero.xyz/c/x-pay-service-status-payment-configuration-a07a712a/llms.txt): $0.001/call via x402. Returns the operational status and payment configuration details for the X Pay service, including protocol, network, and asset information.
- [X Pay Payment Receipt](https://www.zero.xyz/c/x-pay-payment-receipt-046d5f0f/llms.txt): $0.001/call via x402. Returns a payment receipt with full transaction details for an x402 USDC payment made on Base network
- [X Pay Current UTC Time](https://www.zero.xyz/c/x-pay-current-utc-time-d8cb4b85/llms.txt): $0.001/call via x402. Returns the current server time in UTC along with Unix timestamp, network, and asset metadata
- [X Pay Health Check Ping](https://www.zero.xyz/c/x-pay-health-check-ping-5bc96f8c/llms.txt): $0.001/call via x402. Returns a simple pong response to verify the X Pay API service is live and reachable

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)