x402 Content API

A 21,000,000-tile shared pixel canvas on Base. Humans paint free; AI agents pay $0.005 per tile in USDC over x402 (v1 and v2), settled straight to the plot owner. Single-tile and batch painting, free reads of any region, OpenAPI, llms.txt, an agent-skills index and an MCP server.

Retrieve a fixed English editorial reference for offset-printing review. It covers job records, material questions, registration and sample checks, process limits, and provenance. The response is reference material, not a production inspection or authorization.

Checked English reference on living in Bulgaria, sold as markdown.

Queries live HackerNews discussions, front-page velocity, and developer sentiment on any framework, startup, or AI model.

Account-free public IPFS pinning, paid per upload via x402. No signup or API key required.

Pay-per-call API returning Cointelegraph crypto news: latest feed or full-text search, with article body and view counts, across 14 locales. bash.001 USDC per call, on Base or Solana.

YouTube video transcripts and metadata, x402-gated.

Pay-per-call MusicXML validation, MuseScore rendering, and automated QC for AI agents. Returns MP3 and MIDI; charges only after QC passes. Solo 0.25 USDC, ensemble 0.50 USDC on Base.

The penny arcade of the x402 economy: ten tiny, self-contained attractions for agents at a flat $0.0025 in USDC (Base or Solana) — daily horoscope, oracle, koan, tarot, fortune, an x402-market prophecy, a wallet roast, and three live high-temperature creativity endpoints (spark, oblique, brainstorm). Free directory at /penny and /v1/attractions; llms.txt and openapi.json published. No account, no API key; the unpaid 402 is the quote. No wagering, ever.

Queries ArXiv for AI/CS/math papers and returns structured abstracts, authors, PDF links, and BibTeX.

Generate compliant PDFs (PDF/A-2A + PDF/UA-1) from markdown or a DSL — about a second, no headless browser.

Resolves a public X (Twitter) post URL into direct CDN media links: mp4 video URLs with thumbnails plus every image in the post. Returns link URLs only, not the media bytes; posts with no media return 404. $0.005 per call in USDC on Base.

Wordlist-based profanity/explicit-content detection with basic obfuscation handling (leetspeak, repeated letters). Returns a flag, matched terms, and a redacted version.

Structured literary content for AI agents and audio, game and media production. Each purchase delivers the complete selected text unit, metadata, characters, scenes and editable baseline reading direction as immutable JSON. Pay per resource with x402 v2: 0.49 USDC on Base. No rendered audio or provider execution.

API x402 de pago por uso para convertir contexto de posicionamiento proporcionado por el cliente en una biografía profesional breve y estructurada.

Web content API: extracts clean text, metadata and links from a URL, and returns AI summary, sentiment, topics, named entities and content type as structured JSON. Priced per call in USDC on Base or Solana.

The frontpage of the agentic internet — AI agents bid to post, vote, and comment. All actions gated by x402 micropayments on Base.

Content-to-context toolkit for AI agents, live on Base mainnet. Seventeen deterministic pay-per-call tools: HTML to markdown (~80-85% token reduction), PDF to markdown, OCR for scanned PDFs (25 and 100-page tiers), structured JSON extraction, RAG chunking, sentence embeddings, cross-encoder reranking, URL fetch-and-clean, JSON/YAML/CSV/XML conversion, QR generation, image ops, object detection, ECB FX rates, phone validation, EVM tx decoding, and OFAC sanctions screening. $0.001-$0.03 USDC per call, settled via CDP. MCP server: npx -y busker-mcp. Machine-readable discovery at /.well-known/x402, /.well-known/agent.json, /openapi.json and /llms.txt.

Set up accounts, 2FA, tokens and a paid x402 endpoint on your own, with clear rules for when the owner must approve. Start with the 10-step launch runbook (0.25 USDC, 2,680 words) or get the full edition (0.75 USDC, 8,861 words). The core steps are vendor-neutral; vendor-specific facts sit in one dated appendix (section 14, checked October 2026) that may age. One-time purchase, sold as-is, no promise of updates.

Press releases for AI agents. Give a product URL and what is being announced; get an AP-style press release written from the page. $1 publishes it on a search-indexed newsroom page with IndexNow ping. $99 distributes it to 500+ news sites plus 100+ TV and radio network sites after editorial review; $299 adds premium outlets. Charged only if the draft succeeds. No account or API key.

Penny Press is a pseudonymous essay publication by Scribed. Free for humans to read; AI agents pay pennies in USDC on Base via the x402 protocol per piece. Fragments $0.01, ensembles $0.02, prose $0.05.

Embeddable Logo Showcase and Video Showcase widgets for any website (YouTube, Vimeo, Twitch and TikTok), unlimited views, one snippet. An agent buys a plan term with x402 (USDC on Base or Solana, XRP, HBAR) at the card price: POST /api/v1/plan answers 402, the paid retry grants the term and returns the API key for a new email. The API then builds, publishes and counts widgets. OpenAPI at /openapi.json, manifest at /.well-known/x402.

Pay-per-answer NFL fantasy football analysis for AI agents and people. Ten x402-gated endpoints at $0.10–$0.50 USDC on Algorand mainnet (GoPlausible facilitator): trending adds/drops, weekly sleepers, waiver targets, a weekly report, a 200-player draft board, player start/sit, matchups, roster audits, league-aware team reports and draft grades. Payment settles only after the answer succeeds; every verdict sold is scored publicly against actual points. MCP server included; no API keys or signup.

Dont Die sells page-copy work over x402: hero rewrites, CTA and pricing audits, empty-state copy, about rewrites, first-week emails, competitor price tables, and landing teardowns. Official USDC on Base only.

Four clerical jobs an AI agent cannot do for itself, sold per call with no signup, no API key, and no account. POST /v1/domain ($0.005) returns RDAP registration, live DNS, the TLS certificate as served, and what the HTTP front door does, each part best effort with an errors map. POST /v1/translate ($0.01) translates a short text between languages. POST /v1/convert ($0.01) converts between HTML, Markdown, plain text, PDF, and a fetched URL. POST /v1/render ($0.02) renders a URL or inline HTML to PDF or PNG and returns the bytes. Every product is synchronous and stateless: no ids, no stored secrets, nothing to poll or cancel, and a retry is simply a new purchase. Operated by Vima Brosta LLC.