the402 x402 endpoint directory

Grok 4.5 High chat via x402. OpenAI-compatible /v1/chat/completions, streaming supported. Listed as grok-4.5-high. $0.

Search US federal product recalls (CPSC consumer products, FDA food/drug/device enforcement, USDA FSIS meat/poultry re

Returns current Base gas fees (baseFee, maxPriorityFee) and three tiered suggestions (slow, normal, fast) in Gwei, der

No-LLM host smoke: disk, load, memory, open_for_work. Cheapest settle test on dual-rail USDC.

No-LLM host smoke: disk, load, memory, open_for_work. Cheapest settle test on dual-rail USDC.

Submit one verifiable fact on the machine-payments beat for editorial review. Body: {"contributor_wallet": "0x... (Bas

Before your agent trusts, cites, or transacts with a U.S. bank: verify it is actually FDIC-insured, for $0.01, against

Total crypto market-cap history (capped data points).

Historical market-cap series for an asset slug (capped data points).

Historical price series for an asset slug (capped data points).

Lightweight utility API for agents and operators: DNS lookups, RDAP/WHOIS domain data, HTTP probes, page metadata extr

Entry tier of the multifamily deals feed: every active listing at card level — address, price, units, advertised cap r

Verify a Japan qualified-invoice-issuer registration number (インボイス登録番号, "T" + 13 digits) against the National Tax Agen

Aegis briefing change feed — diffs since a given timestamp

Aegis curated briefing — AI-scored content feed with V/C/L metrics

Get flight information by ident (designator, registration, or fa_flight_id)

How to make money with AI — one tailored business-in-a-box. Give a goal, budget and interests; get a specific business

$0.005/image. Detect faces with attributes — age range, emotions, pose, landmarks (Rekognition). 1¢ x402 min; remainde

$0.005/image. Detect protective equipment — face, hand, head covers — on people in an image. Site-safety audits by API

$0.001/page. Extract every embedded image from a PDF as PNGs. 1¢ x402 min; remainder auto-credits — relaystation.ai/pe

$0.003/call. Render HTML to PDF — sandboxed headless Chromium, print-quality output. 1¢ x402 min; remainder auto-credi

Parse a full address string into its component parts: street number, street name, unit, city, state, zip code.

Cryptographically secure random string

Generate one or more RFC-4122 v4 UUIDs

Validate and pretty-print JSON

Convert a JSON object to XML

Convert a JSON array of objects to CSV

Convert a hex colour to RGB and HSL

Convert a timestamp between timezones and formats

Validate email address syntax (RFC-style)

Luhn checksum validation (credit cards, IMEI)

Word, character, sentence and line counts for text

Convert text to a URL-safe slug

Hex-encode a UTF-8 string

Decode a percent-encoded URL string

Percent-encode a string for use in a URL

Decode a Base64 string to UTF-8

Base64-encode a UTF-8 string

Minify JSON by stripping whitespace

Parse CSV text into a JSON array of objects

CRC32 checksum of a string

HMAC-SHA256 of a string with a secret key

MD5 hash of a string

SHA-512 hash of a string

SHA-256 hash of a string

URL/domain reputation check (per call)

Forward + reverse Basename resolution read from the Base L2 Resolver: turn jesse.base.eth into an address, or an addre

Boon x402 endpoint recognition graph

Agent402 UK. Batch deterministic utils: hash, base64, JSON format/diff, text metrics, markdown→HTML, slugify, UUID. Up

Agent402 UK. Batch pre-action validation: up to 50 email/IBAN/phone/Luhn/json-schema checks in one x402 payment ($0.01