# Services from code-toll-production.up.railway.app on Zero

> code-toll-production.up.railway.app serves 4 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/code-toll-production.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/code-toll-production.up.railway.app/health.json

## Services

- [x402 Payment Error Diagnostics](https://www.zero.xyz/c/x402-payment-error-diagnostics-b8c9c009/llms.txt): $0.01/call via x402. Diagnoses a failed x402 payment by returning a structured error code, human-readable explanation, and exact remediation steps
- [x402 MCP Server Template Retrieval](https://www.zero.xyz/c/x402-mcp-server-template-retrieval-36773039/llms.txt): $0.1/call via x402. Returns a complete, ready-to-deploy x402 MCP server template including package.json, index.js, and setup instructions
- [Code Toll](https://www.zero.xyz/c/code-toll-a16aca53/llms.txt): $0.02/call via x402. Generates code from a natural language prompt, returning the generated source code for AI agent use.
- [x402/HTTP Error Decoder](https://www.zero.xyz/c/x402-http-error-decoder-c77111e4/llms.txt): $0.01/call via x402. Decodes x402 and HTTP error codes into structured recovery instructions including meaning, recommended action, retry strategy, backoff, and fix.

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)