# x402-gateway

> https://x402.freeq.one

Start here: POST https://x402.freeq.one/mcp — Pay per request with USDC on Base via x402 v2 (Coinbase CDP facilitator). Choose any listed network in the 402 accepts[] response.

MCP flat rate: $0.001 USDC per MCP tool call. Per-tool REST prices (POST /tools/{name}): markdown=$0.001, token_price=$0.002, wallet_portfolio=$0.002, whale_alerts=$0.002, cross_chain_balance=$0.002, changelog_openapi=$0.005, changelog_git=$0.005, mermaid=$0.005, html_to_markdown=$0.001, qr_generator=$0.001, og_image_generator=$0.001, jobs=$0.002. Discovery: GET /tools (free).

## Tools (MCP JSON-RPC: {"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"<tool>","arguments":{...}}})

- markdown — POST /markdown/v1/markdown — Fetch a URL and convert its main content to clean, LLM-ready Markdown (strips nav/ads/sidebars). Options: output_format (markdown|text|json), css_selector, max_length, include_links, include_images. — $0.001
- token_price — GET /blockchain/v1/token-price/{symbol} — Get the live price of a token by symbol (e.g. ETH, USDC, MATIC). — $0.002
- wallet_portfolio — POST /blockchain/v1/wallet — Get a complete wallet portfolio for an Ethereum address: native ETH balance, ERC-20 balances, NFT holdings, recent transfers. — $0.002
- whale_alerts — POST /blockchain/v1/whale-alerts — Scan recent blocks for large ETH transfers involving an address. Filter by direction (in/out/both) and threshold. — $0.002
- cross_chain_balance — POST /blockchain/v1/cross-chain — Aggregate native balance and token/NFT counts for an address across eth, arb, base, polygon, opt. — $0.002
- changelog_openapi — POST /changelog/changelogs/generate/openapi — Diff two OpenAPI specs and generate a structured breaking-change changelog (no LLM — deterministic diff). Provide base_spec_url and new_spec. — $0.005
- changelog_git — POST /changelog/changelogs/generate/git — Diff git commits and generate a structured breaking-change changelog. Provide repository_url, base_commit, and optional target_commit. — $0.005
- mermaid — POST /mermaid/render — Render a Mermaid diagram to an image (PNG or SVG). Returns a base64-encoded image (MCP content type image). Options: format (png|svg), theme (default|dark|forest|neutral), scale (1-4, PNG only). — $0.005
- html_to_markdown — POST /html2md/convert — Convert an HTML string to clean, LLM-ready Markdown. Handles headings, links, images, tables, lists and code blocks. Options: heading style (atx|setext), bullet list marker, code block style, emphasis delimiters. — $0.001
- qr_generator — GET /qr/barcode/{format}/{data} — Generate a QR code or barcode as an image (SVG or PNG). Returns a base64-encoded image (MCP content type image). Symbologies: qrcode/qr, code128, code39, ean13, ean8, upca, upce, isbn10, isbn13, issn, itf, gs1-128, databar. — $0.001
- og_image_generator — GET /og/og-image — Generate an Open Graph social-card image (1200x630 PNG) from a title and description. Returns a base64-encoded image (MCP content type image). Optional image URL embeds a header graphic. Title truncated to 60 chars, description to 120. — $0.001
- jobs — POST /jobs — Search live job postings by keywords and locations. Returns structured results: title, company, location, apply URL, work types, employment type, seniority, industry, salary, and description. Supports onsite/remote/hybrid preferences. One call covers the whole market for a keyword + location pair. — $0.002

## Routes on this shard

- https://x402.freeq.one/mcp
- https://x402.freeq.one/tools
- https://x402.freeq.one/tools/markdown
- https://x402.freeq.one/tools/token_price
- https://x402.freeq.one/tools/wallet_portfolio
- https://x402.freeq.one/tools/whale_alerts
- https://x402.freeq.one/tools/cross_chain_balance
- https://x402.freeq.one/tools/changelog_openapi
- https://x402.freeq.one/tools/changelog_git
- https://x402.freeq.one/tools/mermaid
- https://x402.freeq.one/tools/html_to_markdown
- https://x402.freeq.one/tools/qr_generator
- https://x402.freeq.one/tools/og_image_generator
- https://x402.freeq.one/tools/jobs

Per-market routes (prices differ per channel, see /market/{id}/tools):

- https://x402.freeq.one/market/agoragentic/mcp ($0.01 flat)
- https://x402.freeq.one/market/bazaar/mcp ($0.001 flat)
- https://x402.freeq.one/market/agoragentic/tools
- https://x402.freeq.one/market/bazaar/tools
- https://x402.freeq.one/health
- https://x402.freeq.one/.well-known/x402.json
- https://x402.freeq.one/.well-known/agents.json