agent402.tools
Base, Arbitrum, Avalanche, Celo, Monad, Optimism, Polygon, Sei · payout 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
Answers HTTP 402
0 of 8 probed endpoints answered HTTP 402 with a parseable payment payload
checked 2026-09-19
Method: one unpaid request per listed endpoint. A 402 with a payment payload a client could parse counts. Nothing is paid.
x402-style payments, last 7 days (Base)
2324 x402-style payments from 88 distinct payers, $45.65 USDC in the last 7 days (Base, exact read)
window ended 2026-10-05
- Payments
- 2,324
- Outside payers
- 88
- USDC
- 45.65
All USDC received at this payout address: $45.66 (includes payments that are not x402)
Method: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's exact scheme uses. Some non-x402 gasless sends use it too.
Reading: x402-style payments to this payout address on Base, exact read of the 7 days to 2026-10-05, every block of the window: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's `exact` scheme uses. Some non-x402 gasless sends use it too; Sato Hub's own payer wallets are left out
Delivery is not measured. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.
Chains · one payout address, each chain read on its own
| Chain | Payout address | Listings | Answers 402 | x402-style payments |
|---|---|---|---|---|
| Base | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 600 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | 2324 x402-style payments from 88 distinct payers, $45.65 USDC in the last 7 days (Base, exact read) |
| Arbitrum | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Avalanche | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Celo | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Monad | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Optimism | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Polygon | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
| Sei | 0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0 | 603 | 0 of 1 probed endpoints answered HTTP 402 with a parseable payment payload 2026-09-19 | unknown. not measured on this chain yet |
- Hosts
- agent402.tools
- Listings
- 4,821 registered in the x402 catalogue
- Price range
- $0.0010 to $2.00 per call, as registered
- Categories (auto)
- Developer tools (1096), Market data (840), Onchain data (704), Other (585), Inference (416), Web data (312), Media (248), Identity (224), Search (136), Agents (124), Security (120), Commerce (16)
- First seen
- 2026-10-05 · last seen 2026-10-05
Claim this merchant
Sign a message from the payout address 0xabf4fa…e2a9d0 to claim this page or download its payment ledger. Claiming proves control of the payout key. It says nothing about the service behind the address, and it does not change how this merchant is ranked. No email, no account: the signature is the whole credential, and signing a message costs no gas and moves nothing.
Registrations · 4,821
| Endpoint | Chain | Category | Price | Catalogue date |
|---|---|---|---|---|
https://agent402.tools/api/dmarc-check Fetch and validate a domain's DMARC policy at _dmarc.<domain> (RFC 7489). Surfaces the enforcement policy (none/quarantine/reject), reporting addresses, alignment modes, and common misconfigs (no rua, p=none stuck for m… | Base | Identity | $0.001 | 2026-09-30 |
https://agent402.tools/api/dns Live DNS lookup for a domain: returns name, type and records[]. Supported record types: A, AAAA (addresses as strings), MX ({exchange, priority} objects), TXT (each record an array of its strings), NS and CNAME (hostnam… | Base | Identity | $0.001 | 2026-09-30 |
https://agent402.tools/api/drug-adverse-events Top reported adverse reactions for a drug from the FDA FAERS database (openFDA), ranked by report count - a fast read on a drug's real-world safety signal. Live FDA data, no key. | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/duration Parse a duration like "2h30m" / "1d4h" / "90s" to seconds, or humanize a number of seconds. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/easter-date Compute the date of Easter Sunday for a given year using the Anonymous Gregorian algorithm (Meeus/Jones/Butcher). Also returns Good Friday, Ash Wednesday, Palm Sunday, Pentecost, and the day-of-year for Easter. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/edgar-company-lookup Resolve a US stock ticker (e.g. AAPL) to its SEC CIK number, the primitive every other EDGAR call needs. Returns ticker, cik (zero-padded, 0000320193), cikInt (320193) and the registered company name. Backed by SEC's co… | Base | Market data | $0.001 | 2026-10-05 |
https://agent402.tools/api/effective-annual-rate Convert a nominal annual rate (APR) compounded m times per year into the effective annual rate (EAR / APY): (1 + apr/m)^m - 1. Set continuous:true for e^apr - 1. | Base | Media | $0.001 | 2026-09-30 |
https://agent402.tools/api/email-validate Validate an email address: syntax check plus live MX record lookup on the domain (deliverability signal, not a guarantee). | Base | Identity | $0.001 | 2026-09-30 |
https://agent402.tools/api/ens-resolve Resolve an ENS name (e.g. vitalik.eth) to its Ethereum address - so an agent can turn a human-readable recipient into a payable address. Read-only on Ethereum mainnet. | Base | Onchain data | $0.001 | 2026-09-30 |
https://agent402.tools/api/epoch-convert Convert between Unix epoch timestamps and ISO 8601 date strings in both directions. Provide either an epoch (seconds or milliseconds) or an ISO date string. Returns both representations plus UTC and date components. | Base | Onchain data | $0.001 | 2026-09-30 |
https://agent402.tools/api/feedback Tell this server whether a call you paid for delivered what it promised. Bound to the receipt: give it the settlement transaction from that call's PAYMENT-RESPONSE (or Payment-Receipt) header and a verdict of "good" or … | Base | Other | $0.001 | 2026-09-13 |
https://agent402.tools/api/feedback/summary What paying buyers said about each tool on this server: good and bad counts and the number of distinct wallets behind them, over a window you choose. Every verdict counted here was written by the wallet that paid for th… | Base | Onchain data | $0.001 | 2026-09-30 |
https://agent402.tools/api/finance Financial math. op: "compound" (future value of principal at a rate) or "loan" (monthly payment + total for a loan). | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/forecast-eval Backtest a forecasting method on the input series by holding out the last `testSize` observations, forecasting them, and computing MAPE (mean absolute percentage error) + RMSE (root mean squared error). Lets an agent pi… | Base | Market data | $0.001 | 2026-09-30 |
https://agent402.tools/api/forecast-holt Holt's linear trend method - level + trend (no seasonality). Two smoothing parameters: alpha (level) and beta (trend). Forecast extrapolates as a straight line from the last fitted level along the last fitted trend, so … | Base | Web data | $0.001 | 2026-09-30 |
https://agent402.tools/api/forecast-holt-winters Holt-Winters triple exponential smoothing - level + trend + seasonal component. Use for series with a repeating cycle (weekly retail traffic, monthly utility usage, quarterly revenue). Additive seasonality (constant amp… | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/forecast-naive Three textbook baseline forecasts: mean (forecast = average of history), naive (forecast = last value), drift (linear extrapolation from first to last point). Use as a sanity floor - any sophisticated method (SES, Holt,… | Base | Market data | $0.001 | 2026-09-30 |
https://agent402.tools/api/forecast-ses Simple exponential smoothing (SES) - level-only forecast for series without trend or seasonality. Higher alpha (closer to 1) tracks recent values aggressively; lower alpha (closer to 0) smooths through noise. Default al… | Base | Market data | $0.001 | 2026-09-30 |
https://agent402.tools/api/gas-estimate Current gas price on Base, Polygon, Arbitrum, Optimism, Ethereum, Monad, Celo, Avalanche, Sei, or Robinhood Chain - for an agent budgeting a transaction: returns network, gasPriceGwei and gasPriceWei (decimal strings) f… | Base | Onchain data | $0.001 | 2026-10-03 |
https://agent402.tools/api/geo-distance Great-circle distance between two latitude/longitude points using the haversine formula. Returns kilometers and miles. Deterministic. | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/geocode Resolve a free-form address or place name to coordinates: lat/lon, display name, bounding box, place type. OpenStreetMap/Nominatim, no key. | Base | Other | $0.001 | 2026-10-03 |
https://agent402.tools/api/gunzip Decompress a base64-encoded gzip payload. Returns the result as utf8 (text) or base64 (binary). Refuses to expand past 10MB to defend against zip bombs. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/gzip Compress a string with gzip (RFC 1952) and return it as base64. Reports input bytes, output bytes, and the compression ratio so you can decide if it was worth doing. Input can be plain text (utf8) or already-binary cont… | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/hash Cryptographic hash of a text string - sha256 (default), sha512, sha1 or md5 - returned as hex and base64. Use it for content fingerprints, integrity checks and deterministic ids; pure computation, instant. | Base | Developer tools | $0.001 | 2026-10-05 |
https://agent402.tools/api/hex Hex encode or decode text. mode: encode (default) or decode. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/hmac HMAC signature of a message with a shared key. Algorithms: sha256 (default), sha512, sha1. Returns hex and base64. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/html-entities Encode text to HTML entities or decode them back. mode: encode (default) or decode. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/html-links Enumerate every <a href> in an HTML string with its anchor text and rel attribute. Optionally resolves relative hrefs against a base URL and filters by a regex on the href. The deterministic way to crawl a page's outlin… | Base | Web data | $0.001 | 2026-09-30 |
https://agent402.tools/api/html-meta Extract <title>, <meta description>, OpenGraph/Twitter cards, canonical URL, and JSON-LD blocks from an HTML string. Distinct from /api/meta which fetches a URL - feed this the HTML you already have (from /api/render, /… | Base | Web data | $0.001 | 2026-09-30 |
https://agent402.tools/api/html-select Run a CSS selector against an HTML string and return the matches (text, attrs, and optionally outerHTML for each). The deterministic alternative to regex when you already have the HTML and know the selector - pairs with… | Base | Web data | $0.001 | 2026-09-30 |
https://agent402.tools/api/html-strip Strip all HTML tags and return plain text. Preserves block-level structure (paragraphs and headings become newline-separated). Faster and more predictable than running extract on a raw HTML string when you already have … | Base | Web data | $0.001 | 2026-09-30 |
https://agent402.tools/api/html-table Extract a <table> from an HTML string as JSON rows (header-keyed) or CSV. Useful for prices, schedules, sports stats, or anything an agent has already fetched as HTML. If multiple tables match, the first is used. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/html-to-markdown Convert an HTML fragment or document you already have into clean markdown. (To fetch + convert a live URL, use /api/extract.) | Base | Media | $0.001 | 2026-09-30 |
https://agent402.tools/api/http-check Check any public URL: status code, latency, final URL after redirects, and response headers. The uptime primitive for agent monitors. | Base | Developer tools | $0.001 | 2026-10-04 |
https://agent402.tools/api/iban-validate Validate an IBAN: country code, length, and the ISO 13616 mod-97 checksum. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/ics-parse Parse iCalendar (.ics) text into structured JSON events: summary, start/end, location, organizer, attendees, status, and RRULE. Optional bounded recurrence expansion (expand:true, capped occurrences). Deterministic, pur… | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/image-resize Resize an image to given pixel dimensions. Send a base64 PNG/JPEG/BMP and width and/or height (give one to scale proportionally). Returns the resized image. Deterministic, no network. | Base | Media | $0.001 | 2026-10-05 |
https://agent402.tools/api/image-thumbnail Make a square thumbnail of an image - scales and center-crops to NxN (default 128). Send a base64 image and optional size. Returns the thumbnail. Deterministic, no network. | Base | Media | $0.001 | 2026-10-05 |
https://agent402.tools/api/irr Compute the internal rate of return (IRR) of a cashflow stream - the discount rate at which NPV = 0. Index 0 is treated as t=0 (typically the negative initial investment); indices 1..n are inflows in subsequent periods.… | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/isbn-validate Validate an ISBN-10 or ISBN-13 checksum (hyphens/spaces ignored) and report which format it is. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/iso-week Get the ISO 8601 week number, ISO day-of-week, quarter, and day-of-year for any date. Useful for fiscal/reporting calendars, weekly aggregations, and sprint planning. | Base | Other | $0.001 | 2026-09-30 |
https://agent402.tools/api/json-diff Deep-compare two JSON values. Returns a list of changed/added/removed paths (capped at 1000 differences). | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/json-flatten Flatten nested JSON to dot-path keys, or unflatten dot-path keys back to nested JSON. mode: flatten (default) | unflatten. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/json-format Validate, pretty-print (any indentation, 0-8 spaces), or minify JSON, optionally with object keys sorted. canonical: true returns the RFC 8785 (JCS) canonical form - keys sorted, no whitespace, ECMAScript number and str… | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/json-merge Deep-merge two JSON objects (b wins on conflicts; arrays are concatenated). | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/json-pointer Resolve an RFC 6901 JSON Pointer (e.g. /items/0/name) against a JSON value. Returns the value or found:false. | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/json-query Extract a value from JSON by dot/bracket path, e.g. "items[2].name". | Base | Developer tools | $0.001 | 2026-09-30 |
https://agent402.tools/api/json-schema-infer Infer a draft-07 JSON Schema from sample JSON document(s). Send one sample as json, or several as samples. Heuristic merge rules: required = keys present in every sample, conflicting types become a type union, integer w… | Base | Developer tools | $0.001 | 2026-10-05 |
https://agent402.tools/api/json-to-yaml Convert JSON to YAML. | Base | Developer tools | $0.001 | 2026-10-04 |
https://agent402.tools/api/json-validate Validate a JSON document against a JSON Schema (draft-07 subset) and get the list of violations. Supports type, required, properties, items, enum, const, min/max, length, pattern, format, anyOf/allOf/oneOf/not, addition… | Base | Developer tools | $0.001 | 2026-09-30 |
Descriptions are the seller’s own words from the catalogue and are not checked by us. A listed price is a registration, not an observed charge.
Data CC-BY-4.0, attribution: data by satohub.ai. Collector run 2026-10-05. Appearing here is not an endorsement. Check an endpoint with the doctor.