api.aiskills402.com publishes 8 machine-payable endpoints over the x402 protocol, priced from $0.03 to $0.1 per call. Each was probed directly; the response code below is what it returned.
| Endpoint | Method | Price | Probe |
|---|---|---|---|
| /v1/skills/code-review/file | GET | $0.05 | 402 |
| /v1/skills/cold-email/file | GET | $0.03 | 402 |
| /v1/skills/humanize/file | GET | $0.05 | 402 |
| /v1/skills/proofread/file | GET | $0.03 | 402 |
| /v1/skills/seo-meta/file | GET | $0.03 | 402 |
| /v1/skills/summarize/file | GET | $0.03 | 402 |
| /v1/skills/x402-buyer/file | GET | $0.03 | 402 |
| /v1/skills/x402-seller/file | GET | $0.1 | 402 |
Code Review: Reviews a code change (a diff or a changed file pasted as text) and reports real problems ranked by severity — correctness bugs, security holes, data loss, missing error handling, edge ca…
Cold Email: Writes a short, honest first outreach message to a stranger in business, in the recipient's language, with a subject line, one specific reason for writing and one small ask. Use when asked…
Humanize: Rewrites AI-sounding prose so it reads like a person wrote it — in any language, without dropping facts. Use when asked to humanize a text, make it sound less AI-generated or less like ChatG…
Proofread: Proofreads a text with minimal intervention, in the language of the text. Fixes spelling, grammar, punctuation and obvious typos, keeps everything else, and returns the corrected text plus …
SEO Meta Writer: Writes the SEO title, meta description and (on request) the H1 heading for one web page, in the page's own language, inside hard character limits, matching what the searcher wants. Us…
Faithful Summary: Writes a faithful summary of a text in the text's own language, using only what the text says, with every number, name and date kept exactly and every qualifier kept. Use when asked …
Pay Safely over x402: Decision rules for an AI agent that holds a wallet and receives an HTTP 402 payment request (x402 v2). Decides SIGN, REFUSE or ASK the human before any money moves, and says how …
x402 Seller: Payable and Listed: Diagnoses why an HTTP API sold over x402 v2 cannot be paid by standard buyer agents or never appears in the Coinbase CDP Bazaar catalog, using an ordered checklist and…