# Services from x402-micro-pay.com on Zero

> x402-micro-pay.com serves 12 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-micro-pay.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-micro-pay.com/health.json

## Services

- [x402 Micro Pay — JSON Schema Validate](https://www.zero.xyz/c/x402-micro-pay-json-schema-validate-7506e4d0/llms.txt): $0.006/call via x402. Validates an HTTP request body or payload against a JSON Schema definition, returning a pass/fail result.
- [x402 Micro Pay — JSON Flatten Skill](https://www.zero.xyz/c/x402-micro-pay-json-flatten-skill-70c0d340/llms.txt): $0.006/call via x402. Flattens a nested JSON object into a single-level key-value structure via a paid HTTP microservice endpoint using x402 micropayment rails.
- [x402 Micro Pay — Token Count](https://www.zero.xyz/c/x402-micro-pay-token-count-51fe99c5/llms.txt): $0.004/call via x402. Counts the number of tokens in a given text or HTTP request body, billed per call via x402/USDC micropayment.
- [x402 Micro Pay — HTML Clean Skill](https://www.zero.xyz/c/x402-micro-pay-html-clean-skill-2babe9ab/llms.txt): $0.008/call via x402. Cleans and sanitizes raw HTML content via a pay-per-call HTTP microservice using x402/USDC micropayments
- [x402 Micro Pay — Text Diff](https://www.zero.xyz/c/x402-micro-pay-text-diff-f84ac5fa/llms.txt): $0.006/call via x402. Computes a text diff between two text inputs, returning the differences, accessible via x402 micropayment rails at $0.006 USDC per call.
- [x402 Micro Pay AI Detector](https://www.zero.xyz/c/x402-micro-pay-ai-detector-6783a47a/llms.txt): $0.01/call via x402. Detects whether a given piece of content was generated by AI, returning a classification result via a pay-per-call microservice endpoint.
- [x402 Micro Pay — Keyword Extraction](https://www.zero.xyz/c/x402-micro-pay-keyword-extraction-ea2c31f0/llms.txt): $0.008/call via x402. Extracts keywords from a given text input via a pay-per-call HTTP microservice using x402/USDC micropayments.
- [x402 Micro Pay — URL Normalize](https://www.zero.xyz/c/x402-micro-pay-url-normalize-3a3a556b/llms.txt): $0.005/call via x402. Normalizes a URL or HTTP request path into a canonical, standardized form
- [x402 OSINT Graph Microservice](https://www.zero.xyz/c/x402-osint-graph-microservice-c1958a21/llms.txt): $0.01/call via x402. Builds or queries an OSINT (Open Source Intelligence) relationship graph via a pay-per-call x402-enabled HTTP microservice at $0.01 USDC per request.
- [x402 micro pay — nicje Skill Endpoint](https://www.zero.xyz/c/x402-micro-pay-nicje-skill-endpoint-6f319adb/llms.txt): $0.02/call via x402. Executes the 'nicje' microservice skill via x402 payment rails, returning a JSONL eval-set record with sanitization metadata.
- [x402 Micro Pay SEO Skill](https://www.zero.xyz/c/x402-micro-pay-seo-skill-649ea034/llms.txt): $0.012/call via x402. Provides an SEO microservice skill callable by AI agents via x402 micropayment rails for $0.012 USDC per call.
- [x402 Micro Pay Research Skill](https://www.zero.xyz/c/x402-micro-pay-research-skill-064abd98/llms.txt): $0.015/call via x402. Executes a paid research microservice call via x402 payment rails, returning structured research results for agent workflows.

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)
