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AISkills402: Proofread

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 a short list of changes for review. Use when asked to proofread, correct, spell-check or fix the…

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Host	api.aiskills402.com
Price	$0.003–$0.10 per call
Network	Base
Paid endpoints listed	130
Calls, last 30 days*	503
Most unique payers on one endpoint (30 days)*	4
Last paid call*	2026-10-17
Tags	agent-skill, api, json, markdown, sqlite, csv, agents, code-review

* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.

Endpoints

URL	Method	Price
`https://api.aiskills402.com/v1/skills/proofread/file` Proofread — Proofreads a text with minimal intervention, in the language of the text. Fixes spelling, grammar,…	GET	$0.05
`https://api.aiskills402.com/v1/skills/cold-email/file` Cold Email — Writes a short, honest first outreach message to a stranger in business, in the recipient's language,…	GET	$0.03
`https://api.aiskills402.com/v1/skills/seo-meta/file` SEO Meta Writer — Writes the SEO title, meta description and (on request) the H1 heading for one web page, in the…	GET	$0.03
`https://api.aiskills402.com/v1/skills/summarize/file` Summarize Faithfully, Keep Every Number — Writes a faithful summary of a text in the text's own language, using only…	GET	$0.03
`https://api.aiskills402.com/v1/skills/x402-buyer/file` x402 Buyer: Pay Safely from an Agent Wallet — Decision rules for an AI agent that holds a wallet and receives an HTTP…	GET	$0.05
`https://api.aiskills402.com/v1/skills/code-review/file` Code Review — Reviews a code change (a diff or a changed file pasted as text) and reports real problems ranked by…	GET	$0.01
`https://api.aiskills402.com/v1/skills/humanize/file` Humanize AI Text — Rewrites AI-sounding prose so it reads like a person wrote it — in any language, without dropping…	GET	$0.05
`https://api.aiskills402.com/v1/skills/json-repair/file` JSON Repair: Fix Broken JSON, Keep Every Value — Repairs broken JSON so a program can parse it, without changing any…	GET	$0.05
`https://api.aiskills402.com/v1/skills/text-to-json/file` Text to JSON: Extract Data Without Guessing — Extracts data from text into JSON that matches the shape you give (a…	GET	$0.05
`https://api.aiskills402.com/v1/skills/prompt-injection-guard/file` Prompt Injection Guard — Keeps an AI agent from obeying instructions hidden in what it reads (indirect prompt…	GET	$0.07
`https://api.aiskills402.com/v1/skills/done-means-done/file` Agent Done Check: Stop False Success Reports — Stops an AI agent from reporting false success, or hallucinated…	GET	$0.10
`https://api.aiskills402.com/v1/skills/bill-spike-finder/file` Bill Spike Finder — Finds the loops behind a bill spike or an unexpected bill. Reviews a web app's code and config for…	GET	$0.05
`https://api.aiskills402.com/v1/run/jsonl-repair` JSONL Repair API: turns broken JSON Lines (NDJSON) into one valid record per line - joins, splits, unwraps, drops…	POST	$0.003
`https://api.aiskills402.com/v1/skills/sql-query-optimizer/file` SQL Query Optimizer for D1, SQLite and Turso — Reviews SQL queries, schemas and migrations for SQLite, Cloudflare D1…	GET	$0.05
`https://api.aiskills402.com/v1/skills/mojibake-repair/file` Mojibake Repair: Undo Broken Encoding Exactly — Repairs mojibake, text whose accents, Cyrillic letters, quotes, dashes…	GET	$0.01
`https://api.aiskills402.com/v1/run/bulgarian-transliteration` Bulgarian Transliteration API: Cyrillic to Latin by the official Bulgarian system (Transliteration Act 2009), not ISO…	POST	$0.003
`https://api.aiskills402.com/v1/run/web-to-markdown` Web to Markdown API: reads one public web page from the Cloudflare edge (static HTML, robots.txt respected, no…	POST	$0.005
`https://api.aiskills402.com/v1/run/base-receipt-verify` Base Receipt Verify API: checks on Base mainnet that a transaction really paid USDC to an address - status, transfer,…	POST	$0.005
`https://api.aiskills402.com/v1/skills/translate-app-text/file` Translate App Text (JSON, YAML, PO) — Translates app strings and locale files (JSON, YAML, gettext PO, ICU messages,…	GET	$0.01
`https://api.aiskills402.com/v1/skills/sqlite-search-builder/file` SQLite Search Builder — Builds or fixes a site or product search so it finds what the user meant, with SQLite…	GET	$0.01
`https://api.aiskills402.com/v1/skills/json-diff-paths/file` JSON Diff Paths — Compares two pasted JSON documents, BEFORE and AFTER, and lists every value that differs as strict…	GET	$0.01
`https://api.aiskills402.com/v1/skills/x402-seller/file` x402 Seller: Get Paid and Listed in Bazaar — Diagnoses why an HTTP API sold over x402 v2 cannot be paid by standard…	GET	$0.10
`https://api.aiskills402.com/v1/run/x402-offer-check` x402 Offer Check API: probes a public x402 storefront from the Cloudflare edge (GET, POST, OPTIONS) and reports what a…	POST	$0.01
`https://api.aiskills402.com/v1/skills/gdpr-cookie-consent-review/file` GDPR Cookie Consent Review: Banner, Consent Mode — Reviews a pasted snapshot of a website's cookie and consent setup…	GET	$0.01
`https://api.aiskills402.com/v1/run/payment-header-check` Payment Header Check API: reads an x402 PAYMENT-SIGNATURE header before you send it - base64/UTF-8/JSON, version,…	POST	$0.005

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

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AISkills402: Proofread

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