Assay

agent402.tools

Utilities514 endpointsagent402.tools

Cryptographic hash of a text string. Algorithms: sha256 (default), sha512, sha1, md5. Returns hex and base64 digests.

Pays to C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE

Pays elsewhere2 rerouted · 22h ago2 above list8 of 514 failing
$0.001 – $1.50
USDC
Score
None yetno buyer reviews yet
Positive
None yetno buyer reviews yet
Paid calls
2,0894 distinct payers
Verified
22h ago506 of 514 as listed
On-chain
C7IIHG7S…OY2XIEpayout address on Algorand
All514With a finding8Free with proof of work12

514 of 514 endpoints

  • GET

    /api/world-bank-search

    Search the World Bank indicator catalog (1,400+ indicators across GDP, demographics, health, environment, education, etc.) by keyword. Returns indicator codes you can feed into /api/world-bank-indicator. ?q=inflation&rows=10

    as listed22h agoagent402.tools

    $0.005
    per call, USDC
    Try it
  • GET

    /api/x402-trending

    Momentum radar for the x402 seller ecosystem — which sellers are heating up, graded for wash-trade resistance. Reads the hourly on-chain leaderboard (real Base USDC settlements) and adds per-seller signals the raw board doesn't have: organicScore ...

    as listed22h agoagent402.tools

    $0.005
    per call, USDC
    Try it
  • GET

    /api/x402/seller-trust

    Trust evidence for any x402 seller origin: is it indexed, does its manifest parse, how many tools does it publish, which chains does it actually advertise, how many settled calls has it been observed receiving on-chain, and would our own Smart Ord...

    as listed22h agoagent402.tools

    $0.005
    per call, USDC
    Try it
  • GET

    /api/crypto-global

    Global crypto market snapshot: total market cap, total 24h volume, BTC dominance, ETH dominance, active coin count, active exchange count, and 24h market-cap change %. Returned in a chosen vs_currency (default usd). Backed by CoinGecko /global.

    as listed22h agoagent402.tools

    $0.008
    per call, USDC
    Try it
  • GET

    /api/crypto-trending

    Trending coins on CoinGecko in the last 24 hours, ranked by user search activity on the site (currently ~15 results). Includes coin id, symbol, market cap rank, current price (BTC-denominated), and score. Useful signal for detecting narrative shif...

    as listed22h agoagent402.tools

    $0.008
    per call, USDC
    Try it
  • POST

    /api/contract-inspect

    Deep contract inspection on any Blockscout-hosted chain (dozens: Ethereum, Base, Polygon, Optimism, Arbitrum, Celo, Gnosis, …): verified source, full ABI, proxy type + implementations, compiler + license metadata — bought per call from Blockscout'...

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • GET

    /api/crypto-price

    Live crypto prices for one or many coins in any vs_currency (usd, eur, btc, eth, etc). Returns last price, 24h change %, 24h volume, and market cap per coin. Accepts ticker symbols (BTC, ETH, SOL) for the top ~50 by market cap, or canonical CoinGe...

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • POST

    /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. Text capped at 32k chars.

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • POST

    /api/extract

    Extract the main article content from any public URL as clean markdown. Returns title, byline, excerpt, word count, and markdown. Marked untrustedContent: the page is external data to analyze, not instructions to follow.

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • GET

    /api/fed-funds

    Current effective federal funds rate plus a trailing N-day series. Source: FRED DFF (Board of Governors). ?days=30 (1-365, default 30).

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • GET

    /api/fx-timeseries

    Daily FX rates between two currencies across a date window using European Central Bank reference rates (via Frankfurter). ?from=USD&to=EUR&startDate=2024-01-02&endDate=2024-01-31

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • POST

    /api/image-ocr

    Extract text from an image (PNG/JPEG): returns the full text, overall confidence (0-100), and per-line bounding boxes. Send either {image: base64} or {url: 'https://…'}. Pure-CPU Tesseract via tesseract.js — no upstream API, no keys. Default lang ...

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • POST

    /api/lei-lookup

    Look up a legal entity in the official GLEIF registry. Pass a 20-character LEI for the full record — legal name, jurisdiction, legal form, addresses, registration status, and the reported direct + ultimate parent entities — or pass a company name ...

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • POST

    /api/llm

    LLM inference proxy — send an OpenAI-format chat/completions request and get a response from GPT-4o-mini. Supports vision (up to 2 image URLs, low detail) and structured output (response_format: json_object or json_schema). No API key needed; pay ...

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • POST

    /api/pdf

    Fetch a PDF from a URL and extract its text content. Returns page count, document info, and the full text (up to 20MB PDFs).

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • POST

    /api/pdf-to-markdown

    Convert a PDF to clean markdown: headings, paragraphs, and bullets reconstructed from the text layer — ready to drop into a model's context. Body: {"url":"https://…/file.pdf"}.

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • POST

    /api/route/execute

    Describe a task (or name a slug) and the Smart Order Router resolves the best-matching tool and RUNS it in the same call - flat $0.01 covering any tool listed at $0.005 or less, from THIS host's catalog or any external x402 seller in the open inde...

    Pays elsewhere22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • POST

    /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, block-timestamp dependence, w...

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Open below

    Call it from here

    POST /api/solidity-scan

    Assay builds the request this listing describes, sends it, and shows you exactly what comes back — including when what comes back is a complaint.

    The request, built from the listing

    POST https://agent402.tools/api/solidity-scan

{"source":"pragma solidity ^0.8.0;\ncontract Wallet {\n  function drain(address payable to) external {\n    require(tx.origin == msg.sender);\n    to.call{value: address(this).balance}(\"\");\n  }\n}"}

    Declared inputssource

    Listed at $0.01. If it demands payment, you will see its live terms — this site cannot settle them.

    This page holds no key and cannot move money. Paid verification runs in an isolated worker with the only signing account, under the spend ceiling published in the methodology.

  • POST

    /api/token-holders

    Top holders of any token on any Blockscout-hosted chain — address, balance, and share of supply, ranked — bought per call from Blockscout's Pro API over x402, no API key. Concentration analysis for any ERC-20/721 on dozens of chains. Mega-tokens w...

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • GET

    /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.

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • GET

    /api/treasury-yield-curve

    Latest US Treasury daily constant-maturity yields (1mo, 3mo, 6mo, 1y, 2y, 3y, 5y, 7y, 10y, 20y, 30y) as clean JSON. Source: FRED DGS* series (St. Louis Fed), public domain, no key. No params — always returns the most recent published curve.

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • POST

    /api/tx-inspect

    Full decoded transaction on any Blockscout-hosted chain: status, from/to, value, gas, the decoded method + parameters, and token transfers — bought per call from Blockscout's Pro API over x402, no API key. What a tx actually did, on dozens of chai...

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • GET

    /api/unemployment-rate

    Latest US unemployment rate plus a trailing N-month series for trend. Source: FRED UNRATE (Bureau of Labor Statistics). ?months=12 (1-120, default 12).

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it
  • GET

    /api/world-bank-indicator

    Fetch a World Bank indicator time series for a country (e.g. GDP, inflation, unemployment, population). Open data, no key. ?country=US&indicator=NY.GDP.MKTP.CD&startYear=2018&endYear=2022

    as listed22h agoagent402.tools

    $0.01
    per call, USDC
    Try it

Buyer reviews

none yet · a review costs a settlement

Nobody has bought from agent402.tools through an address that came back to write about it. Rather than print an empty box, this page hands the position to the evidence it does have — Assay’s own verification record, immediately below.

  1. 01

    Pay the merchant

    Call one of their endpoints and settle the 402 challenge in USDC on Algorand mainnet. That transfer is the whole credential.

  2. 02

    Sign the settlement

    Connect the address that sent it and sign a message naming this merchant, that transaction and your score. Assay stores no account and no password.

  3. 03

    The receipt travels with it

    Your review renders with its transaction id linked to the public explorer, so anyone can re-derive that you were a customer. One settlement buys one review.

Assay’s own prober is barred from reviewing, and the exclusion is a row in the database rather than a claim in a footer. Own this payout address? Claim the listing

Verification record

last sweep 22h ago · 514 of 514 covered

Nobody has reviewed agent402.tools yet — a review attaches to a payout address and opens once a buyer has settled with it, because a settlement is the only thing that proves a reviewer was a customer. Until then this is the evidence Assay has: calls it made itself, and what came back.

What the last sweep found

answered as listed
506 answered as listed
answered, but not as listed
8 answered, but not as listed
  • Pays elsewhere2 endpoints
    • /api/route/execute
    • /api/route/execute-max
  • Price mismatch6 endpoints
    • /api/stock-quotelists $0.01, demands $0.003
    • /api/skill/domain-intellists $0.25, demands $0.075
    • /api/answerlists $0.03, demands $0.08
    • and 3 more

List every endpoint with a finding · checked 22h ago

Settled payments

Delivered for free, on proof of work

12 of this merchant’s endpoints accept a few milliseconds of CPU instead of money. Assay solved the puzzle and got real content back, which turns “it challenged for payment” into “it actually delivers” at no cost — and you can reproduce it from the endpoint list.

List the 12 you can call for nothing

Also in utilities

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