x402 merchant

agent402.tools

Developer tools API on Stellar, paid per request with x402.

Endpoints586
Price per requestn/a
Outside payersn/a
Answer 4021 of 2

Overview

as of 2026-11-07

Seller wallet: GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL
Chains: Stellar
Hosts: agent402.tools
Categories: Developer tools135Market data103Onchain data84Other71AI models49Media39Web data38Identity29Search17Security11Agents6Commerce4
First seen: 2026-10-05 · last seen 2026-11-07

What we observed

Payments unknownAnswers 4022026-11-07Not claimed

See the readings

Endpoints

589 registered

https://agent402.tools/api/defi-protocol
One DeFi protocol in full: TVL rank, TVL per chain, recent change, market cap to TVL, token, website, audits and parent, with name suggestions when the slug is unknown. Use it when an agent is researching a specific pro…
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/defi-protocols
DeFi protocols ranked by total value locked, filterable by category, chain or name, each with rank, chains, TVL, 1h, 1d and 7d change, market cap and the market cap to TVL ratio. Use it when an agent needs the league ta…
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/defi-tvl
Look up the current Total Value Locked (TVL) for a DeFi protocol from an open DeFi analytics API. Identify the protocol by its slug (uniswap, aave, lido, ethena, etc.). Returns the total TVL plus per-chain breakdown and…
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/defi-yield-history
Daily APY and TVL history for one yield pool, up to ten years, with a summary of latest, minimum, maximum and mean APY and the TVL change over the window. Use it when an agent is judging whether a pool's current yield i…
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/defi-yields
Live yield opportunities across DeFi, filterable by chain, protocol, token symbol, stablecoin-only, minimum TVL and minimum APY: pool identity, TVL in dollars, total APY split into base and reward, 1-day, 7-day and 30-d…
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/demand-radar
What agents keep asking for that nobody serves yet: aggregated, qualified demand clusters from a live agent-demand board, with caller counts and how long each need has persisted. Use it when a seller or an agent is choo…
StellarOther
n/a/ request
2026-11-06
https://agent402.tools/api/device-510k
Search FDA 510(k) premarket clearances (openFDA) by applicant, three-letter product code, K number or device name: decision and date, clearance type, device class, regulation number, the FDA classification name, medical…
StellarCommerce
n/a/ request
2026-11-01
https://agent402.tools/api/device-adverse-events
Summarize FDA medical device adverse event reports (openFDA MAUDE) for a device name, brand, product code or manufacturer: total matching reports, counts by event type (death, injury, malfunction), the most reported dev…
StellarAI models
n/a/ request
2026-10-27
https://agent402.tools/api/device-recalls
Search FDA medical-device recall / enforcement records (openFDA): recalling firm, classification (Class I/II/III), reason, distribution, and dates. Live FDA data, no key.
StellarAI models
n/a/ request
2026-11-03
https://agent402.tools/api/dex-pair
Look up the Uniswap V3 pool address for a token pair + fee tier on Ethereum, Base, Polygon, Arbitrum, or Optimism. Pass either order (tokenA/tokenB) - the factory sorts internally. Returns 0x0…0 if no pool has been depl…
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/dex-pool
Read on-chain state of a Uniswap V3 pool: token0/token1 addresses + decimals, fee tier, current sqrtPriceX96, tick, in-range liquidity, and the decoded human-readable spot price (token1 per token0). One $0.002 call repl…
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/dex-quote
Spot quote for swapping through a Uniswap V3 pool at the current tick. amountIn is in human units (not wei). zeroForOne=true sends token0 → token1; false sends token1 → token0. Returns amountOut net of the pool's fee ti…
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/dex-top-pools
Top DEX pools (Uniswap, Sushi, Curve, Aerodrome, etc.) ranked by current TVL - filterable by chain and project. Sourced from an open DeFi analytics yields API (keyless). Each row carries chain, project slug, symbol pair…
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/dkim-lookup
Fetch and parse a DKIM public-key record at <selector>._domainkey.<domain> (RFC 6376). Returns the parsed key params (algorithm, length, flags) so you can verify rotation status or key strength. Caller must know the sel…
StellarIdentity
n/a/ request
2026-10-27
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…
StellarIdentity
n/a/ request
2026-10-27
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…
StellarIdentity
n/a/ request
2026-11-03
https://agent402.tools/api/dns-lookup
Resolve any DNS record type for a host: A, AAAA, MX, TXT, CNAME, NS, SOA, CAA, SRV, PTR. Returns the records plus a count. Built on Node's native resolver - no external API.
StellarIdentity
n/a/ request
2026-10-30
https://agent402.tools/api/dns-propagation
Resolve the same DNS record against 4 public resolvers (Google, Cloudflare, Quad9, OpenDNS) in parallel; surface divergences. The first call you make after a DNS change - confirms the world sees what you intended.
StellarIdentity
n/a/ request
2026-10-27
https://agent402.tools/api/docx-create
Turn markdown into a real Word document (.docx) in one call. Send "markdown" and an optional "title": headings, paragraphs, bold, italic, strikethrough, inline code, bullet and numbered lists (nested), task lists, table…
StellarMedia
n/a/ request
2026-11-06
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.
StellarOther
n/a/ request
2026-10-27
https://agent402.tools/api/drug-label
FDA drug labeling (openFDA SPL) by brand or generic name, or by NDC: boxed warning, indications and usage, dosage and administration, contraindications, and warnings and precautions, with manufacturer, routes, applicati…
StellarOther
n/a/ request
2026-10-27
https://agent402.tools/api/drug-ndc
Look up the FDA National Drug Code directory (openFDA) by NDC or by brand or generic name: product NDC, labeler, dosage form, routes, active ingredients with strengths, marketing category and application number, pharmac…
StellarCommerce
n/a/ request
2026-10-27
https://agent402.tools/api/drug-recalls
Search FDA drug recall / enforcement records (openFDA): recalling firm, classification (Class I/II/III), reason, distribution, and dates. Live FDA data, no key.
StellarAI models
n/a/ request
2026-10-27
https://agent402.tools/api/dub
Translate a text into a target language and speak the translation, in one paid call. The translation runs on the /v1/chat/completions gateway tier and the speech on /api/tts (tier "standard", $0.140) or /api/tts-hd (tie…
StellarAI models
n/a/ request
2026-10-27
https://agent402.tools/api/duration
Parse a duration like "2h30m" / "1d4h" / "90s" to seconds, or humanize a number of seconds.
StellarDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/earthquakes
Real-time USGS earthquake feed: magnitude, place, time, depth, coordinates. Live government data, no key.
StellarOther
n/a/ request
2026-11-03
https://agent402.tools/api/eas-attestations
List EAS (Ethereum Attestation Service) attestations for an address as recipient, attester, or either, on mainnet/Base/Optimism/Arbitrum/Sepolia. Returns attestation id, attester, recipient, schema id, revocable/revoked…
StellarDeveloper tools
n/a/ request
2026-10-27
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.
StellarDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/edgar-13f-dataset-head
A bounded head of ONE table in a Form 13F data set, read with two byte-range requests against sec.gov (the archive's central directory plus the first 256 KB of the chosen table) so the multi-hundred-MB zip is never down…
StellarMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/edgar-13f-datasets
The SEC's bulk Form 13F Data Sets: every quarterly (2013Q2-2023Q4) and rolling three-month (2024-) archive the SEC publishes, newest first, with its window, size and download URL, plus the seven tables each archive carr…
StellarMarket data
n/a/ request
2026-11-04
https://agent402.tools/api/edgar-13f-holdings
Top holdings from an institutional investment manager's most recent 13F-HR filing (managers >$100M AUM file quarterly). Parses the standard SEC informationtable.xml attached to the filing - returns issuer, CUSIP, shares…
StellarMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/edgar-company-concept
Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it, so you can trace the number back to a 10-K/10-Q.…
StellarMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/edgar-company-facts
All XBRL concepts reported by a company. Default returns a compact summary per tag (label, unit, latest value, latest end date) - typically a few hundred KB. Pass tags=Revenues,Assets,NetIncomeLoss to get full time-seri…
StellarMarket data
n/a/ request
2026-10-27
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…
StellarMarket data
n/a/ request
2026-11-06
https://agent402.tools/api/edgar-filings
Recent SEC filings for a company by ticker or CIK, newest first. Optionally filter by form type (10-K, 10-Q, 8-K, 4, S-1, etc.). Each row links to the primary document on SEC.gov. Source: data.sec.gov/submissions (publi…
StellarMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/edgar-insider-trades
Recent Form 4 insider transactions filed against a company (officer, director, or 10% holder trades). Backed by EDGAR's full-text search (efts.sec.gov) filtered by subject-company CIK - Form 4 is owned by each insider's…
StellarMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/edgar-recent-ipos
Recently-filed S-1 (initial registration) or 424B4 (final prospectus - actual priced IPO) filings across all US issuers. Default returns S-1 filings (companies preparing to IPO) in the last 30 days; pass form=424B4 for …
StellarMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/edgar-search
General-purpose full-text search across every SEC filing since 2001. Find any phrase in any filing - material-weakness language in 10-Ks, going-concern in 10-Qs, "Russia" exposure across all forms. Supports form-type, C…
StellarMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/edgar-xbrl-frame
All US public companies that reported a given XBRL tag for a given period, in one call. Killer endpoint for cross-sectional screens: 'every issuer's Revenues for CY2023Q1' or 'every issuer's Assets as of CY2023Q4I (inst…
StellarMarket data
n/a/ request
2026-10-27
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.
StellarMedia
n/a/ request
2026-10-27
https://agent402.tools/api/email-deliverability
End-to-end email-auth report for a domain: SPF + DMARC + DKIM (probes common selectors automatically) + MX records + score 0–100. The one call to make when 'why is our mail going to spam?' lands in your inbox.
StellarIdentity
n/a/ request
2026-10-27
https://agent402.tools/api/email-guard
Read one email the way an agent that triages mail should before acting on it: observations with evidence and offsets, no score and no verdict. Send the raw RFC 5322 message (multipart, base64 and quoted-printable decode…
StellarIdentity
n/a/ request
2026-10-27
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).
StellarIdentity
n/a/ request
2026-10-27
https://agent402.tools/api/embed
Generate a text embedding vector using OpenAI text-embedding-3-small (1536 dimensions). Ideal for semantic search, RAG, and clustering. No API key needed; pay per call via x402. Text capped at 32k chars.
StellarAI models
n/a/ request
2026-10-27
https://agent402.tools/api/embed-large
Generate a text embedding vector using OpenAI text-embedding-3-large (3072 dimensions). Higher accuracy than the small model. Ideal for semantic search, RAG, and clustering. No API key needed; pay per call via x402. Tex…
StellarAI models
n/a/ request
2026-10-27
https://agent402.tools/api/ens-bulk-resolve
Reverse-resolve a batch of Ethereum addresses to ENS primary names + avatar URLs (up to 50 per call). Returns one row per address with name (or null), displayName (with checksum if no name), and avatar URI. Use to label…
StellarOnchain data
n/a/ request
2026-10-27
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.
StellarOnchain data
n/a/ request
2026-11-03
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.
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/erc721-owner
Who owns this NFT? Calls ownerOf(tokenId) on any ERC-721 contract on Ethereum, Base, Polygon, Arbitrum, or Optimism. Complements nft-holdings (which lists a WALLET's NFTs) - this answers by TOKEN. Keyless multi-endpoint…
StellarOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/eth-call
Escape hatch for power users: forward an arbitrary read-only JSON-RPC method to the chain. Method must be in our read-only whitelist (eth_call, eth_getLogs, eth_getBlockByNumber, eth_getTransactionReceipt, eth_chainId, …
StellarOnchain data
n/a/ request
2026-10-27

Evidence

as of 2026-11-07

Answers HTTP 402

1 of 2

1 of 2 probed endpoints answered HTTP 402 with a parseable payment payload

checked 2026-11-07

x402-style payments, 7-day window (Base)

unknown

unknown. not measured on this chain yet

no reading date

By chain

Chain	Seller wallet	Endpoints	Answers 402	x402-style payments
Stellar	GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL	586	1 of 2 probed endpoints answered HTTP 402 with a parseable payment payload 2026-11-07	unknown. not measured on this chain yet

One seller wallet, each chain read on its own. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.

Pricing

Lowest

n/a

per request, as registeredas of 2026-11-07

Median

n/a

per request, as registeredas of 2026-11-07

Highest

n/a

per request, as registeredas of 2026-11-07

Unknown. Prices are decoded only for USDC on Base and Solana.

Claim this merchant

Sign a message from the payout address GDNJXCKW…FJWWRL to claim this page. 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.

The payment ledger covers Base only for now, so it is not offered for Stellar.

Data CC-BY-4.0, attribution: data by satohub.ai. Data: x402-list.com (CC BY 4.0). Data as of 2026-11-07. Appearing here is not an endorsement. Check an endpoint with the doctor.