x402 merchant

agent402.tools

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

Endpoints584
Price per requestn/a
Outside payersn/a
Answer 4021 of 2

Overview

as of 2026-11-07

Seller wallet: C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE
Chains: Algorand
Hosts: agent402.tools
Categories: Developer tools135Market data103Onchain data84Other71AI models49Media39Web data38Identity29Search17Security11Agents4Commerce4
First seen: 2026-10-05 · last seen 2026-11-07

What we observed

Payments unknownAnswers 4022026-11-07Not claimed

See the readings

Endpoints

721 registered

https://agent402.tools/api/solidity-scan
Deterministic static pattern scan of Solidity smart-contract source text - a fixed ruleset flagging tx.origin authentication, delegatecall, selfdestruct, unchecked low-level calls, unchecked .send(), floating pragmas, b…
AlgorandOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/sort-lines
Sort the lines of a text. order: asc (default) | desc | numeric. unique:true removes duplicates; ci:true is case-insensitive.
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/spf-check
Fetch and validate a domain's SPF record (RFC 7208). Parses mechanisms (ip4/ip6/include/a/mx/all), counts DNS lookups against the famous 10-lookup limit, and flags the qualifier on `all` (-/fail, ~/softfail, ?/neutral).…
AlgorandIdentity
n/a/ request
2026-10-27
https://agent402.tools/api/sql-cert-verify
Verify an Ed25519 execution certificate against the exact SQL statement you are about to run - the gate your database layer calls before it obeys an agent. Checks the signature, the certificate version, the expiry, and …
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/sql-guard
Review a SQL statement before running it against production: a pass / warn / block verdict naming concrete risks (unbounded UPDATE or DELETE, tautological WHERE, DROP, TRUNCATE, statement stacking, privilege changes, ca…
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/srt-convert
Convert subtitles between SRT, WebVTT, plain text, and JSON cues. Send SRT or VTT text (auto-detected) - or a JSON cues array [{start,end,text}] with times in ms - and the target format. Deterministic, pure CPU.
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/stablecoin-peg
Live $1-peg deviation for the top USD stablecoins (USDT, USDC, USDS, DAI, USDe, PYUSD, USDD, TUSD, FDUSD by default, or pass your own list): current price, deviation in basis points, 24h high/low, worst 24h deviation, m…
AlgorandOnchain data
n/a/ request
2026-10-28
https://agent402.tools/api/stablecoin-peg
Live $1-peg deviation for the top USD stablecoins (USDT, USDC, USDS, DAI, USDe, PYUSD, USDD, TUSD, FDUSD by default, or pass your own list): current price, deviation in basis points, 24h high/low, worst 24h deviation, m…
AlgorandOnchain data
n/a/ request
2026-11-04
https://agent402.tools/api/stablecoin-supply-history
Daily total stablecoin supply in USD over time, for all chains or one chain, per peg currency, with a window summary. Use it when an agent wants stablecoin supply as a liquidity or risk-appetite signal or needs the hist…
AlgorandOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/stablecoins
Stablecoins ranked by circulating supply: peg currency and mechanism, price and deviation from peg, supply in peg units and USD, 1d, 7d and 30d change and circulation per chain. Use it when an agent is checking a peg, s…
AlgorandOnchain data
n/a/ request
2026-10-31
https://agent402.tools/api/stablecoins
Stablecoins ranked by circulating supply: peg currency and mechanism, price and deviation from peg, supply in peg units and USD, 1d, 7d and 30d change and circulation per chain. Use it when an agent is checking a peg, s…
AlgorandOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/stats
Descriptive statistics for an array of numbers: count, sum, mean, median, mode, min, max, range, variance, stddev, and percentiles.
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/stats-summary
Compute the full descriptive-stats panel for an array of numbers in one call: count, sum, mean, median, mode, stddev (sample), variance, min, max, range, q1, q3, IQR. Beats calling 12 separate tools when you already hav…
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/stock-history
Daily OHLCV bars for a US equity: the last `days` sessions, 1 to 250, default 30. Daily only, no intraday. Built from the official consolidated end-of-day summary across all US exchanges and ATSs, so price, range and vo…
AlgorandMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/stock-quote
End-of-day US equity quote from a licensed feed: last close, day range, consolidated volume, previous close and the change between them, from the consolidated end-of-day summary across all US exchanges and ATSs. Use it …
AlgorandMarket data
n/a/ request
2026-10-28
https://agent402.tools/api/stock-quote
End-of-day US equity quote from a licensed feed: last close, day range, consolidated volume, previous close and the change between them, from the consolidated end-of-day summary across all US exchanges and ATSs. Use it …
AlgorandMarket data
n/a/ request
2026-11-06
https://agent402.tools/api/tech-stack
Detect the technology stack of a public website: CDN, web server, language/runtime, frontend framework (Next.js, Nuxt, SvelteKit, Remix, Astro, React, Vue, Angular), CMS (WordPress, Drupal, Ghost, Shopify, Wix, Squaresp…
AlgorandOther
n/a/ request
2026-10-27
https://agent402.tools/api/tech-stack
Detect the technology stack of a public website: CDN, web server, language/runtime, frontend framework (Next.js, Nuxt, SvelteKit, Remix, Astro, React, Vue, Angular), CMS (WordPress, Drupal, Ghost, Shopify, Wix, Squaresp…
AlgorandOther
n/a/ request
2026-11-03
https://agent402.tools/api/testnet-fund
Fund any address with testnet money from a testnet faucet - USDC (1) or ETH (0.0001) on Base Sepolia, USDC (1) or SOL on Solana devnet - everything an agent needs to rehearse the complete x402 payment loop safely before…
AlgorandOther
n/a/ request
2026-11-03
https://agent402.tools/api/testnet-fund
Fund any address with testnet money from a testnet faucet - USDC (1) or ETH (0.0001) on Base Sepolia, USDC (1) or SOL on Solana devnet - everything an agent needs to rehearse the complete x402 payment loop safely before…
AlgorandOther
n/a/ request
2026-10-27
https://agent402.tools/api/text-chunk
Split text into overlapping chunks for RAG ingestion - by characters (default) or by exact LLM tokens. Returns the chunks plus offsets. Deterministic, no model needed.
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/text-diff
Line-by-line diff of two texts (LCS). Returns unified-style ops and change counts. Up to 2000 lines per side.
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/text-stats
Counts for any text in one call: characters (Unicode code points), words, sentences, paragraphs, avgWordLength, readingTimeMinutes (200 words a minute) and estimatedTokens, a rough LLM token estimate (about 4 characters…
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/time
Current time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - optionally rendered in any IANA timezone.
AlgorandDeveloper tools
n/a/ request
2026-11-03
https://agent402.tools/api/time
Current time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - optionally rendered in any IANA timezone.
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/time-convert
Convert between epoch (s or ms), ISO 8601, and any IANA timezone. Give a value (epoch seconds or milliseconds, an ISO string, or 'now'), get every representation back: utc, epochSeconds, epochMillis and, with tz, timezo…
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/timezone-convert
Convert a datetime from one IANA timezone to another. Accepts ISO 8601, Unix timestamps (seconds or milliseconds), or natural date strings. Returns the converted time in both timezones with UTC offset.
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/tls-cert
Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SHA-256 fingerprint.
AlgorandIdentity
n/a/ request
2026-11-03
https://agent402.tools/api/tls-cert
Inspect the TLS certificate of any public host: subject, issuer, validity window, days remaining, SANs, and SHA-256 fingerprint.
AlgorandIdentity
n/a/ request
2026-10-27
https://agent402.tools/api/token-allowance
How much of an ERC-20 token a spender contract is approved to move from an owner wallet - the approval check an agent runs before a swap, a bridge, or an x402 transferWithAuthorization flow. Returns the allowance as an …
AlgorandOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/token-balances
ERC-20 balances of one wallet for a NAMED list of token contracts (1-20) - the targeted complement to the full-portfolio wallet-balance tool. One balance read for the whole list plus symbol/decimals per contract (cached…
AlgorandOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/token-count
Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for gpt-4o/o-series, cl100k_base for gpt-4/gpt-3.5). Deterministic, offline - budget context windows without calling a model.
AlgorandAI models
n/a/ request
2026-10-27
https://agent402.tools/api/token-metadata
Resolve an ERC-20 contract address to its on-chain metadata: symbol, decimals, name, and logo URL where available. Use this to humanize a raw contract address before showing it to a user or before computing fiat values.
AlgorandOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/token-price
Return the current USD spot price for an ERC-20 token, identified by its contract address and network. Sourced from an aggregated market price feed. Use this for portfolio-value calculations or to denominate a balance i…
AlgorandMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/token-price-history
Historical USD price series for a token, by ticker symbol (ETH, BTC, SOL, ...) or by ERC-20 contract + network, at 5-minute (up to 2 days), hourly (up to 30 days) or daily (up to 365 days) resolution. Returns the points…
AlgorandMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/token-safety
Risk facts for an EVM token before a trade. One deterministic call returns a verdict (ok, caution, unsafe) with the named facts behind it: honeypot, can-sell, buy and sell tax, mintable supply, hidden or reclaimable own…
AlgorandSecurity
n/a/ request
2026-10-27
https://agent402.tools/api/totp
Compute the current TOTP code (RFC 6238, 30s period, SHA-1, 6 digits) from a base32 secret. Useful for agents that must complete 2FA flows they are authorized for.
AlgorandDeveloper tools
n/a/ request
2026-10-27
https://agent402.tools/api/transcribe
Transcribe audio to text with the gpt-transcribe model. Provide a URL to an audio file (mp3, wav, m4a, etc.) and get back the transcript. Add diarize:true for speaker labels, word timestamps and a language confidence sc…
AlgorandAI models
n/a/ request
2026-10-28
https://agent402.tools/api/transcribe
Transcribe audio to text with the gpt-transcribe model. Provide a URL to an audio file (mp3, wav, m4a, etc.) and get back the transcript. Add diarize:true for speaker labels, word timestamps and a language confidence sc…
AlgorandAI models
n/a/ request
2026-11-06
https://agent402.tools/api/transcribe-pro
Transcribe audio to text with the gpt-transcribe model - the same model as /api/transcribe with a longer cap. Provide a URL to an audio file and get back the transcript; add diarize:true for speaker labels, word timesta…
AlgorandAI models
n/a/ request
2026-10-27
https://agent402.tools/api/transfer-authorization
Build the EIP-3009 transferWithAuthorization typed data for a gasless USDC transfer on Base/Polygon/Arbitrum/Optimism/Ethereum/Monad/Celo/Avalanche/Sei/Arc - the exact EIP-712 object an agent signs with its OWN key to a…
AlgorandOnchain data
n/a/ request
2026-10-27
https://agent402.tools/api/treasury-avg-rates
Latest average interest rates the US Treasury is paying by security type (Bills, Notes, Bonds, TIPS, FRNs, marketable vs non-marketable). Public domain, no key. No params - returns the most recent reporting month.
AlgorandMarket data
n/a/ request
2026-11-04
https://agent402.tools/api/treasury-avg-rates
Latest average interest rates the US Treasury is paying by security type (Bills, Notes, Bonds, TIPS, FRNs, marketable vs non-marketable). Public domain, no key. No params - returns the most recent reporting month.
AlgorandMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/treasury-debt
Most recent total US public debt outstanding (the headline national-debt number, daily) from the Treasury "Debt to the Penny" feed. Public domain, no key. No params.
AlgorandMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/treasury-debt
Most recent total US public debt outstanding (the headline national-debt number, daily) from the Treasury "Debt to the Penny" feed. Public domain, no key. No params.
AlgorandMarket data
n/a/ request
2026-11-03
https://agent402.tools/api/treasury-yield-curve
Latest US Treasury daily constant-maturity yield curve in one object: recordDate plus mo1, mo3, mo6, yr1, yr2, yr3, yr5, yr7, yr10, yr20 and yr30, each a yield in percent. Source: FRED DGS* series (St. Louis Fed), publi…
AlgorandMarket data
n/a/ request
2026-11-06
https://agent402.tools/api/treasury-yield-curve
Latest US Treasury daily constant-maturity yield curve in one object: recordDate plus mo1, mo3, mo6, yr1, yr2, yr3, yr5, yr7, yr10, yr20 and yr30, each a yield in percent. Source: FRED DGS* series (St. Louis Fed), publi…
AlgorandMarket data
n/a/ request
2026-10-28
https://agent402.tools/api/treasury-yield-history
Last N business days of US Treasury constant-maturity yields, oldest→newest. Source: FRED DGS* series (St. Louis Fed), public domain.
AlgorandMarket data
n/a/ request
2026-11-04
https://agent402.tools/api/treasury-yield-history
Last N business days of US Treasury constant-maturity yields, oldest→newest. Source: FRED DGS* series (St. Louis Fed), public domain.
AlgorandMarket data
n/a/ request
2026-10-27
https://agent402.tools/api/truncate
Truncate text to a maximum length, adding an ellipsis (or custom suffix). Optionally break on word boundaries.
AlgorandDeveloper tools
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
Algorand	C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE	584	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 C7IIHG7S…OY2XIE 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 Algorand.

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.