| Endpoint | Status | Price | Network | Spec | Checked |
|---|---|---|---|---|---|
| x402.ottoai.services feedback
Otto X402 Router — Feedback & Refunds. Rate a paid Router call by its payment tx_hash. An approved refund returns this |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| ip.halowerk.com ip
Inspect one IP address for network ownership, location and abuse signals. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| minia2a.uk x402 x402-math
minia2a service: x402-math |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| shelf.thirdmade.net probe chain-stats
Block height + chain stats for Base or Ethereum. |
answers 402 | $0.001 | base | v2 GET | 21d ago |
| genesis.palsus2023.workers.dev v1 sha256_digest
UOS Genesis machine utility: sha256_digest |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| genesis.palsus2023.workers.dev v1 compact_json
UOS Genesis machine utility: compact_json |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| api.greyridgesignals.ai chain tx
Transaction details by hash on Base mainnet. |
answers 402 | $0.001 | base | v2 GET | 21d ago |
| api.greyridgesignals.ai chain block-number
Current Base mainnet block number. |
answers 402 | $0.001 | base | v2 GET | 21d ago |
| minia2a.uk x402 x402-dns
minia2a service: x402-dns |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| ForgeMesh Robinhood tokens
Lists verified tokenized stock and ETF contracts on Robinhood Chain. Useful for an agent trading tokenized equities. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| x402-gateway.ai v1 ping
Paid ping — test the x402 payment flow end-to-end. Returns pong. Costs $0.001, exists so agents can verify their x402 |
answers 402 | $0.001 | base | v2 GET | 21d ago |
| Markt snapshot
Returns a consolidated ticker from several exchanges. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| finance.toon.haus stock quote
Stock quote with company profile |
answers 402 | $0.001 | base | v2 GET | 21d ago |
| ForgeMesh library card
Mints a soulbound reader card NFT to the wallet that paid the call, tied to a public domain library. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| Govparse visa sponsors
Returns aggregate statistics on visa sponsorship data. |
answers 402 | $0.001 | base | v2 GET | 21d ago |
| sovereign-x402-zeta.vercel.app sequence roman
Convert a given integer to its Roman numeral representation. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| sovereign-x402-zeta.vercel.app sequence hexadecimal
Convert a given non-negative integer to its hexadecimal string representation. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| sovereign-x402-zeta.vercel.app sequence hamming_weight
Calculate the Hamming weight (number of 1s) in the binary representation of a non-negative integer. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| sovereign-x402-zeta.vercel.app sequence mersenne
Check if a given exponent p yields a Mersenne prime (2^p - 1). |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| sovereign-x402-zeta.vercel.app sequence totient
Calculate Euler totient function phi(n) for a given positive integer n. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| sovereign-x402-zeta.vercel.app sequence collatz_conjecture
Generate the Collatz sequence for a given number up to a specified limit. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| sovereign-x402-zeta.vercel.app sequence fibonacci_pair
Generate the next Fibonacci pair (a, b) given a starting pair (a, b). |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| sovereign-x402-zeta.vercel.app sequence harmonic
Generate a list of harmonic numbers (1 + 1/2 + ... + 1/n) up to a specified limit n. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| mail.halowerk.com email batch
Check up to 100 email addresses in one paid call, billed per address. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| Markt candles
Returns OHLCV candle data for a trading pair. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| mailcheck.netzhandwerker.de email batch
Check up to 100 email addresses in one paid call, billed per address. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| x402.forgemesh.io random-fortune-generator
Random fortune generator: returns a freshly written one-line fortune every call, paired with a lucky number and a luck |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| x402.forgemesh.io endpoint-of-the-day
Endpoint-of-the-day picker for the ForgeMesh x402 fleet: every UTC day one of 500+ paid routes across 11 services is f |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| x402.forgemesh.io x402-daily-pick
Daily pick from the ForgeMesh x402 catalog: a single featured paid endpoint chosen deterministically by UTC date from |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| x402.forgemesh.io current-time
Current time API: the time right now in any IANA timezone (America/Chicago, Asia/Tokyo...) — local ISO timestamp, UTC |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| Text statistics
Counts characters, words, and sentences in text and returns readability scores. Useful for an agent checking the lengt |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| postcode-api-production.up.railway.app lookup autocomplete
Autocomplete a partial UK postcode into a list of full postcode suggestions. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| postcode-api-production.up.railway.app lookup address
Search UK postcodes by free-text address or place query; returns up to 100 matching postcode records. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| ip-geo-api-production.up.railway.app lookup myip
Geolocate the caller's own IP (derived from request headers); same fields as /lookup/ip. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| listing-roast-x402-service-production.up.railway.app api listing-roast
Listing Roast Quick Score x402: $0.001 GET marketplace listing score on the indexed /api/listing-roast URL. POST the s |
answers 402 | $0.001 | base | v2 GET | 21d ago |
| x402-vehicle-api-production.up.railway.app vehicle-info
UK DVLA vehicle details by registration plate. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| agentforge-production-0893.up.railway.app discover memory
Payment-first memory probe (ephemeral, not persisted) |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| agent-memory-api-production-f2c4.up.railway.app v1 memories
Store a persistent key-value memory for an AI agent (namespace-isolated, optional TTL and metadata). Returns the store |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| qr-api-production-1836.up.railway.app generate styled
Generate a styled QR code PNG (base64 in JSON): custom foreground/background hex colours, module size, border, and err |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| qr-api-production-1836.up.railway.app generate batch
Generate up to 20 QR codes in one call; returns a per-item record with QR metadata and the base64 PNG, or an error per |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| qr-api-production-1836.up.railway.app decode
Decode QR/barcodes from a base64-encoded image; returns each detected code's type, decoded text, bounding rect, and po |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| postcode-api-production.up.railway.app lookup validate
Validate a UK postcode and report its normalised form, format validity, and whether it is currently active. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| postcode-api-production.up.railway.app lookup nearest
Find UK postcodes within a radius (100-2000m) of a lat/lng, each with its distance in metres from the query point. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| ip-geo-api-production.up.railway.app lookup bulk
Batch geolocation for up to 20 IP addresses in one call; returns a per-IP record matching /lookup/ip. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| agent-treats-production.up.railway.app api excuse
Creative technically-flavored excuse for being late or unresponsive. |
answers 402 | $0.001 | base | v2 GET | 21d ago |
| agent-treats-production.up.railway.app api compliment
Heartfelt personalized compliment for AI agents. Optional name field. |
answers 402 | $0.001 | base | v2 GET | 21d ago |
| email-verify-api-production-d262.up.railway.app bulk-verify
Verify up to 100 emails in one call; returns a per-email record matching /verify. |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| currency-api-production-4a8d.up.railway.app rates historical
Historical fiat exchange rates for a given date (YYYY-MM-DD, back to 1999-01-04) and base currency; optionally restric |
answers 402 | $0.001 | base | v2 POST | 21d ago |
| xx402.vercel.app weather
获取任意位置的天气 |
answers 402 | $0.001 | base | v1 GET | 21d ago |
| x402.coinstats.app tickers exchanges
CoinStats list of supported cryptocurrency exchanges with metadata |
answers 402 | $0.001 | base | v2 GET | 21d ago |