x402.freeq.one
14 resources listed under x402.freeq.one.
Source: https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources · last updated 2026-09-18
Resources
x402-gateway tool: verify_semaphore — Verify a Semaphore ZK proof loca
x402-gateway tool: verify_semaphore — Verify a Semaphore ZK proof locally using Groth16 (embedded official vkey). No external dependency. Send the proof object from @semaphore-protocol/proof generateProof().
LLM Chat: Chat with a language model
LLM Chat: Chat with a language model. OpenAI-compatible /v1/chat/completions interface. Supports 50+ models. Free models (auto, eco, premium) are $0 — paid models (gpt-5.2, claude-opus-5, deepseek-v4-pro, ...) are charged at cost. See /tools/llm_chat/models for the full model list and rates. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/llm_chat.
x402-gateway tool: wallet_verify_nostr — Verify a NIP-98 Nostr HTTP au
x402-gateway tool: wallet_verify_nostr — Verify a NIP-98 Nostr HTTP auth event. Returns the signer pubkey. Stateful replay protection: each event id can only be verified once.
x402-gateway tool: wallet_verify_siwe — Verify a Sign-In-With-Ethereum
x402-gateway tool: wallet_verify_siwe — Verify a Sign-In-With-Ethereum (EIP-4361) signature. Stateless oracle: checks the signature against the message and returns the wallet address + chainId. Never mints sessions or consumes nonces. Get a checksummed address first via wallet_checksum.
x402-gateway tool: wallet_verify_solana — Verify an ed25519 Solana wal
x402-gateway tool: wallet_verify_solana — Verify an ed25519 Solana wallet signature over a message containing a 'Nonce: <value>' line. Returns the signer pubkey. Consumes the nonce — one verification per nonce.
Job Search: Search live job postings by keywords and locations
Job Search: 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. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/jobs.
x402-gateway tool: qr_generator — Generate a QR code or barcode as an
x402-gateway tool: qr_generator — 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.
x402-gateway tool: verify_worldid — Verify a World ID 4
x402-gateway tool: verify_worldid — Verify a World ID 4.0 proof via the Worldcoin Developer Portal API. Generates an RP signature server-side, then proxies the full IDKit proof to developer.world.org. Returns { valid, nullifier, worldcoin_response }.
x402-gateway tool: verify_batch — Batch verify up to 10 Semaphore proo
x402-gateway tool: verify_batch — Batch verify up to 10 Semaphore proofs in a single request. Returns per-proof results with total count and average duration.
x402-gateway tool: mermaid — Render a Mermaid diagram to an image (PNG
x402-gateway tool: mermaid — 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).
x402-gateway tool: token_price — Get the live price of a token by symb
x402-gateway tool: token_price — Get the live price of a token by symbol (e.g. ETH, USDC, MATIC).
x402-gateway tool: markdown — Fetch a URL and convert its main content
x402-gateway tool: 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.
Buy a gift card code at the listed price
Buy a gift card code at the listed price. Price is returned in the payment challenge before you sign.
x402-gateway tool: wallet_checksum — Convert an Ethereum address to it
x402-gateway tool: wallet_checksum — Convert an Ethereum address to its EIP-55 checksummed form. SIWE messages require the checksummed address on line 2 before signing.
Machine-readable
All resources from this provider: /discovery/merchant (by payment address) or filter /discovery/resources.