the402 x402 endpoint directory

Three textbook baseline forecasts: mean (forecast = average of history), naive (forecast = last value), drift (linear

Split text into overlapping chunks for RAG ingestion - by characters (default) or by exact LLM tokens. Returns the chu

Encode text to HTML entities or decode them back. mode: encode (default) or decode.

Base32 (RFC 4648) encode or decode text. mode: encode (default) or decode.

Test endpoint for verifying x402 payment integration end to end. Returns a static greeting in the Agent Tollbooth stan

Is a date a public holiday in a country (2-letter ISO code)? Returns the holiday name, its types, and the next upcomin

Look up all x402 Bazaar resources listed under a merchant payTo wallet.

Subscribe an email address to the Would Pay Again newsletter. Body: {"email": "you@example.com"}.

Returns real world asset perpetual coverage across DEXes.

Historical (closed) yield farming positions for a user across all protocols and chains, with realized yield and exit t

Active yield farming positions for a user across Aave V3 and Morpho on all supported chains, with live APY and accrued

Trade and transaction history for a user's Otto AI Safe account — swaps, bridges, deposits, withdrawals with timestamp

Hyperliquid perpetual trading history: fills, funding payments, and realized PnL per position.

Search supported ERC-20 tokens by symbol or address across 6 chains (Base, Ethereum, Arbitrum, Polygon, BSC, Avalanche

Capture a URL as PNG/JPEG/PDF + free OG metadata

Get the current Base Mainnet block number.

Timezone intelligence — offsets, DST, transitions

Current wall-clock time for any IANA timezone, resolved live by timeapi.io (IANA tz database, includes DST rules). Que

Full list of official public holidays for one country and year, from the Nager.Date registry (100+ countries, legally

Official French administrative reference from geo.api.gouv.fr (INSEE/IGN data). Look up communes by ?cp=31700 (postal

Instant pre-validation of French company numbers before invoicing or costly Sirene API calls. Auto-detects SIREN (9 di

Deterministic BIC/SWIFT check before an international payment: ISO 9362 structure (4-letter bank, 2-letter country, 2-

Deterministic IBAN check before a SEPA/international transfer: format regex, per-country length (public SWIFT registry

Hyperliquid funding rate extremes: live perpetual funding APR outliers and which side collects. Use for funding-rate a

OpenAI-compatible text-to-speech endpoint (input, voice, response_format) for drop-in use with code already built agai

Anthropic Messages API billed per request from what the call costs: the 402 quotes exact-BPE input (system + messages

Get an ERC-20 token balance for a Base address.

Get the native ETH balance of a Base address.

Aktuelle CO2-Intensität des deutschen Strommix.

Base64 encode or decode a string.

OpenAI Responses API billed per request from what the call costs: the 402 quotes exact-BPE input (instructions + input

Geocodes a US, Puerto Rico, or US island address into coordinates and structured parts. Useful for an agent that needs

Computes cryptographic hashes or checksums of a string.

DexL AI agent economy leaderboard - enriched with on-chain stats

Notarize AI output: a signed Ed25519 attestation of the model response plus sha256 content hash, receipt token, and Me

LLM-generated narrative recap of recent prediction-market activity.

MUR exchange rates — all currency pairs from Bank of Mauritius

UK vehicle tax and MOT status by registration plate.

Crypto news brief for agents: ranked headlines with source URLs and heuristic sentiment. Topics: crypto, base, defi. F

Reloadpi — List all countries where prepaid mobile top-ups are available

Reloadpi — Get available filter options for voucher search including brands, countries and categories

Reloadpi — Order status and refund schema. Returns the fulfillment state machine, polling URL, and refund endpoint for

Verify an email address before you send: syntax + MX + disposable/role/free-provider detection in one call, boolean-fi

Multilingual text embeddings (384-dim) served in-house, no OpenAI dependency, no API key. NetIntel's cheapest embeddin

Instant text statistics — characters (with/without spaces), words, unique words, sentences, paragraphs, average word/s

Split text into overlapping chunks for RAG ingestion — by characters or words, with configurable chunk size and overla

Reverse a text string to build a replayable transformation fixture. Call when you need this bounded result before hand

Extract file extension from a path or URL path segment — first-party local utility for agent preflight and proven micr

Digest Header Verify: Digest Header Verify verifies a sha-256 Digest value against caller-supplied text bytes from bou

Real-time trade stream with market summaries (2hr rolling window, $500+ trades)