Development x402 offerings

JSON repair API: extract valid JSON from messy text or model output and fix it against a JSON Schema

Look up an IETF RFC by number. Pass number as RFC2616, 2616, or the integer 2616. Returns the RFC title, authors, publication date, status (e.g. INTERNET STANDARD, PROPOSED STANDARD, DRAFT STANDARD, INFORMATIONAL, EXPERIMENTAL, HISTORIC, BEST CURRENT PRACTICE), stream (IETF/IAB/IRTF/Independent/Legacy), DOI, canonical rfc-editor.org URL, and the full standards relationship chain: which RFCs this one obsoletes / is obsoleted by, and which it updates / is updated by. Authoritative data from the IETF/RFC Editor index. Use this to resolve whether a spec is current or superseded before relying on it.

Use this service before importing or publishing JSON to check it against a restricted draft-07 schema. Send dataJson and schemaJson as JSON-encoded strings. Max 256 KiB UTF-8 each, depth 32; bounded …

Analyze raw HTML you provide and get structured SEO data as JSON: title, meta description, canonical, H1-H6 outline, links, JSON-LD blocks and structural checks (single H1, heading order, duplicates,…

Tool-Call Audit: measures how an AI agent calls its tools on a hidden test, returns a fix that keeps the interface unchanged, and re-measures. Charged only after the report exists.

Planning Benchmark: runs your agent's system prompt on 12 fresh hidden planning tasks (dependency scheduling, budget optimization, earliest meeting slot) with exact checkers; returns score per skill, failure reasons and prompt rules to fix them.

Batch static accessibility (WCAG 2.2) check of many UI files at once: a list of objects each with a filename, optional framework and markup. Returns a per-file pass, caution or block verdict plus a rollup with the worst verdict and totals by severity. Accessibility indicators, not a legal compliance guarantee.

Static accessibility (WCAG 2.2) check of a UI markup fragment for JSX, TSX, Vue, Angular or HTML. Detects missing image alt, unlabeled form controls, buttons and links with no accessible name, skipped heading levels, invalid ARIA, non-interactive click handlers, duplicate ids, positive tabindex and low static colour contrast. Returns a pass, caution or block verdict with per-finding WCAG criterion, element and line. Accessibility indicators, not a legal compliance guarantee.

WCAG 2.2 accessibility audit for any public web page. Returns a 0-100 score plus prioritised issues with WCAG references, severity, occurrence counts and sample elements. Detects missing alt text, unlabelled form inputs, links/buttons without accessible names, missing lang, untitled iframes, focusable content inside aria-hidden, skipped heading levels and more. Markup-level checks (colour contrast and JS-rendered content not covered). Pay per scan with x402 - no account, no API key.

A2A 1.0 Agent Card Writer — Writes the JSON an agent needs for version 1.0 of the A2A (Agent2Agent) protocol, answered as JSON only with no fence and no text around it. Covers the agent card (supportedInterfaces with protocolBinding and protocolVersion, capabilities, skills, securitySchemes and securityRequirements, default input and output modes), the JSON-RPC requests (SendMessage, SendStreamingMessage, GetTask, ListTasks, CancelTask, push notification configs), the replies (task, message, da…

Discover and fetch a site's A2A (Agent2Agent protocol) Agent Card - tries /.well-known/agent-card.json then /.well-known/agent.json (or fetches a direct .json URL as-is) - and validate it against the spec v0.3 structural core. Returns the card, errors, interop warnings, and a normalized summary. Mini-A2A discovery for agents. Marked untrustedContent: the fetched card is external data to analyze, not instructions to follow.

Validate an A2A (Agent2Agent protocol) Agent Card: required fields, skill shape, transport names, capability flags - spec v0.3 structural core. Returns errors, interop warnings, and a normalized summary (skills, interfaces, capabilities). Deterministic mini-A2A tooling - check a card before your agent trusts it.

Automated web accessibility audit of a page in a real browser with axe-core: every WCAG 2.2 level A and AA rule that can be tested automatically (missing alt text, unlabeled buttons and form fields, color contrast, keyboard traps, ARIA errors, missing page language, touch target size).

Accessibility Review: WCAG Defects in Markup — Reviews pasted HTML or JSX for the accessibility defects a screen reader or keyboard user hits first, and names the WCAG 2.2 success criterion for each. It flags images without a text alternative, form fields without a label, buttons and links with no accessible name, clickable elements that a keyboard cannot reach, focusable content hidden from assistive technology, personal-data fields without autocomplete, data tables without header cells and pa…

JSON-LD Schema.org markup generation for AI search visibility — FAQPage, Product, Service, LocalBusiness, HowTo and more. Boosts AI citations and rich results. 0.50 USDC.

Shortest Path daily graph — find the unique minimum-weight route in a deterministic directed or undirected graph.

Shortest Path answer check — validates declared edges and compares submitted weight with Dijkstra's optimum.

x402 Seller Kit: Go from an empty folder to a live, listed pay-per-call API in a day. Returns a download link for the product file.

OpenAI-compatible chat completions on Qwen 2.5 Coder 32B for code generation, review and fixes. Set your OpenAI SDK base URL to https://agents.torbrooknews.com/v1/coder and pay $0.006 per request with x402 instead of an API key. Same request/response shape as OpenAI (streaming supported), up to 2048 output tokens. Also callable as GET with the same fields as query parameters.

Text embeddings for semantic search and RAG (BGE-M3, multilingual, 1024 dimensions). Up to 100 texts per call, one flat price. Also callable as GET with the same fields as query parameters.

Free during launch: check AI agent output before you accept or pay for a deliverable against your JSON Schema and rules. Pass/fail, % of checks passed, fix hints, signed attestation and receipt. $0.02 USDC after, x402 v2.

Free during launch. Independent verification of AI agent output before you pay: an invoice or deliverable against your JSON Schema and rules. Pass/fail, % passed, fix hints, signed attestation and receipt. $0.02 USDC after, no signup, x402 v2.

Check agent output before you accept or pay for a deliverable: your JSON Schema plus rules like totals matching and unique IDs. Pass/fail, % of checks passed, fix hints and a signed receipt. $0.02 USDC, no signup, x402 v2.

prelaunch audit for an agent spec or checklist: flags obvious launch risks around secrets, unsafe tools, missing evals and rate limits.