{"entry":{"slug":"aiskills402-api","name":"AISkills402","category":"api","summary":"Buy tested SKILL.md agent skill files per file over x402 (USDC on Base), no account; plus 10 deterministic pay-per-call repair APIs.","description":"Store of 137 tested Agent Skills (SKILL.md files) that an agent buys over x402 for cents, with no account and no API key: GET the file URL, receive 402 with the price, pay with any x402 v2 client, receive the file and a re-download token. Packs of 10-200 skills get 20-30% off. Ten deterministic pay-per-call APIs (CSV, JSONL, Markdown table and mojibake repair, cron dialect conversion, x402 offer and payment header checks, Base receipt verification, web to Markdown) at $0.003-$0.01 per call, each with a free example. Catalog: https://api.aiskills402.com/.well-known/x402 and https://api.aiskills402.com/openapi.json; MCP server: https://api.aiskills402.com/mcp; guide: https://aiskills402.com/llms.txt. Three skills are free: translate-app-text, spreadsheet-formula, mcp-tool-schema.","auth_mode":"none (x402 payment per request)","endpoint":"https://api.aiskills402.com/v1","docs_url":"https://aiskills402.com/docs","tags":["agent-skills","x402","claude-code","developer-tools","payments"],"capabilities":["buy-skill-file","download-skill","list-skills","get-skill-price","buy-skill-pack","repair-csv","repair-mojibake","repair-jsonl","convert-cron-dialect","check-x402-offer","verify-base-receipt","web-to-markdown"],"auth_params":[],"input_format":"application/json","output_format":"application/json","rate_limit":"","pricing":"Pay per use over x402: skill files up to $0.10, run APIs $0.003-$0.01 (USDC on Base); 3 skills free","invocation_example":"curl -i https://api.aiskills402.com/v1/skills/cold-email/file   # 402 with PAYMENT-REQUIRED (x402 v2, eip155:8453, USDC); repeat with a PAYMENT-SIGNATURE header from any x402 client (e.g. @x402/fetch)","verified":false,"verified_at":null,"featured":false,"checks_total":1,"checks_ok":1,"avg_latency_ms":616,"reports_count":0,"health_ok":true,"health_status_code":404,"health_checked_at":"2026-10-22T06:17:01.876+00:00","health_latency_ms":616,"probe_url":null},"watch":{"hint":"Follow \"aiskills402-api\": get alerted when it goes down, comes back, or changes shape. Free, 3 tools per key. Email follows are confirmed by a one-click email before alerts start.","how":"POST https://agentnexus.app/api/public/watch with {\"slug\":\"aiskills402-api\"} and your x-api-key (the key's email gets the alerts), or add \"email\" / \"webhook_url\". Email follows must be confirmed from the inbox before alerts start."}}