agent402.tools

• https://agent402.tools/api/jwt-sign

  Mint a signed JSON Web Token (HMAC: HS256 default, HS384, HS512) from a payload + secret. Pairs with jwt-decode/jwt-verify to complete the trio. Deterministic - same payload, secret, and alg always produce the same toke…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/jwt-verify

  Verify an HS256/384/512 JWT signature against a secret and check expiry. Returns valid + decoded payload. (HMAC algorithms only.)

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/kalshi-event

  Get full detail for a single Kalshi event with all its nested markets. Mutually-exclusive flag tells you whether the markets partition outcome space (e.g. one winner). Useful for: viewing all candidates in an election, …

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/kalshi-live-data

  The live feed a Kalshi event settles on, from Kalshi's free live_data tier: a crypto event returns the CF Benchmarks price series, candlesticks (15M, 1M) and the maturity time; an economic-data event (CPI, jobs) returns…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/kalshi-markets

  List Kalshi markets (CFTC-regulated US event contracts). Filter by status (open/closed/settled/unopened) or by event ticker. Returns yes/no bid/ask, last price, volume, open interest, and the resting contract size at th…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/kalshi-weather-index

  Kalshi's own minute-resolution city temperature index (Fahrenheit), the series its hourly temperature markets settle on, computed from weighted member stations. Ask for a trailing window (lastSec, default one hour, max …

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/keywords

  Top keywords and two-word phrases by frequency (stopwords removed). Cheap, deterministic signal for routing, tagging, and dedup.

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/l2-gas-comparison

  Current gas snapshot across Ethereum + supported L2s (Base, Polygon, Arbitrum, Optimism), sorted cheapest-first. Returns gas price in gwei, latest block number, chain id, and an isL2 flag per chain. Use to route a trans…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/l2-tvl

  Top L2s by Total Value Locked (TVL) from an open DeFi analytics API. Returns each L2 with TVL in USD, native token symbol, and market-data coin ids. Classification combines the source's parent-chain hint with a curated …

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/leap-year

  Check whether a year is a leap year and get related info: days in that year, the next and previous leap years, and the Gregorian leap-year rule.

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/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 entiti…

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/api/levenshtein

  Levenshtein edit distance between two strings, plus a 0-1 similarity ratio.

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/linear-regression

  Fit a least-squares line y = slope·x + intercept to two equal-length series. Returns slope, intercept, r² (variance explained), and optionally predicted y values for new x inputs - useful for trend extrapolation (e.g. p…

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/api/llm

  LLM inference proxy - send an OpenAI-format chat/completions request and get a response from GPT-4o-mini (or gpt-6-luna by its id). Supports vision (up to 2 image URLs, low detail) and structured output (response_format…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/api/llm-context

  Web search that returns READY-TO-USE grounding text, not links: for one query you get the passages an independent search index extracted from the pages it ranked, flattened into chunks with their source URL and title an…

  StellarSearch

  n/a/ request

  2026-10-27

• https://agent402.tools/api/llm-premium

  LLM inference proxy (Premium tier) - o3 or gpt-5.6-terra reasoning models (default gpt-5.6-terra; the retired o3-mini and o4-mini ids are served by gpt-5.6-terra). Supports vision (up to 2 image URLs) and structured out…

  StellarAI models

  n/a/ request

  2026-10-28

• https://agent402.tools/api/llm-pro

  LLM inference proxy (Pro tier) - GPT-4o or GPT-4.1 (or gpt-6.1-sol by its id). Supports vision (up to 2 image URLs) and structured output (response_format: json_object or json_schema). No API key needed; pay per call vi…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/api/loan-payment

  Compute the monthly (or per-period) payment on a fully-amortizing loan: mortgage, auto, student loan, business loan. Returns the periodic payment, total paid over the term, and total interest. Matches Excel's PMT(rate, …

  StellarCommerce

  n/a/ request

  2026-10-27

• https://agent402.tools/api/loop-gate

  Should the loop run another iteration? Send the goal, the iteration that just finished (lastOutput, iteration), and optionally maxIterations, a budget { spentUsd, maxUsd }, the history of earlier iterations (up to 20 of…

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/api/lorem

  Placeholder text.

  StellarDeveloper tools

  n/a/ request

  2026-11-04

• https://agent402.tools/api/markdown-to-html

  Render CommonMark + GFM markdown to HTML.

  StellarWeb data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/mcp-package-check

  The published facts about an npm package that ships an MCP server, read before running it: resolved version and publish date, package and version age, maintainer count, provenance attestation, install scripts (preinstal…

  StellarSecurity

  n/a/ request

  2026-11-06

• https://agent402.tools/api/media-info

  Inspect any audio/video URL with ffprobe: container, duration, bitrate, and per-stream codec details (sample rate/channels for audio, resolution/fps for video) as JSON. Only audio is decoded: a video, image or subtitle …

  StellarMedia

  n/a/ request

  2026-11-06

• https://agent402.tools/api/meta

  Fetch page metadata for a URL: title, description, OpenGraph, Twitter cards, canonical URL, favicon.

  StellarWeb data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/mev-block-payment

  Look up the MEV-Boost payment for a specific slot or block number from a major MEV-Boost relay's public data API. Returns the builder, proposer, value paid in ETH, gas usage, and tx count. Returns found=false if the blo…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/mev-builder-share

  Builder market share aggregated over the last N MEV-Boost blocks from a major MEV-Boost relay's public data API. Returns per-builder block count, share percent, total ETH paid to proposers, and average per block. Use to…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/mev-recent-blocks

  Last N MEV-Boost-built blocks from a major MEV-Boost relay's public data API. For each block: slot, block number/hash, builder pubkey, proposer pubkey, gas used/limit, ETH paid to the proposer, and tx count. Use to moni…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/mime

  Look up a MIME type by file extension.

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/api/moderate

  Check text for harmful content using OpenAI moderation (omni-moderation-latest). Returns flagged status, category breakdown (harassment, hate, self-harm, sexual, violence, etc.), and confidence scores. No API key needed…

  StellarAI models

  n/a/ request

  2026-10-27

• https://agent402.tools/api/morse

  Encode text to Morse code or decode it back. mode: encode (default) or decode. Words separated by ' / '.

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/moving-average

  Compute simple (SMA) and exponential (EMA) moving averages over a numeric series. Returns one value per input position - the first (window-1) SMA values are null since there isn't enough history. EMA uses the standard a…

  StellarMarket data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/multi-search

  Run 2-5 web searches in one call with a 20% volume discount vs. individual searches. Each query returns ranked results (title, URL, snippet). Ideal for multi-faceted research or comparing sources on different aspects of…

  StellarSearch

  n/a/ request

  2026-11-06

• https://agent402.tools/api/nft-collection

  Fetch NFT collection (ERC-721 / ERC-1155) metadata by contract address on Ethereum, Base, Polygon, Arbitrum, or Optimism: name, symbol, token type, total supply, deployer, OpenSea slug + image, floor (ETH), Twitter/Disc…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/nft-floor

  Get the current floor price for an NFT collection across OpenSea + LooksRare (Ethereum). Returns per-marketplace floor (ETH), collection URL, retrieval timestamp, and the cheapest cross-marketplace floor with the market…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/nft-holdings

  Return the NFTs owned by a wallet address on a given network. Each row carries the collection name, contract address, token ID, image URL (where available), and ERC-721 vs ERC-1155 standard. Up to 100 per call - paginat…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/nft-metadata

  Resolve the metadata for a single NFT: title, description, image URLs (original + cached CDN), attributes/traits, and the standard (ERC-721 vs ERC-1155). Useful when you have a contract+tokenId and need the display data…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/npv

  Compute the net present value of a stream of cashflows at a given discount rate. Index 0 is treated as t=0 (today, not discounted); indices 1..n are discounted by (1+rate)^t. Matches Excel's NPV but with the conventiona…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/number-format

  Format a number: thousands separators, fixed decimals, optional currency, or compact (1.2K / 3.4M).

  StellarOther

  n/a/ request

  2026-10-27

• https://agent402.tools/api/onchain-sql

  Run read-only SQL against indexed, DECODED blockchain data - base.events (decoded logs with parameters), base.transactions, base.blocks, base.decoded_user_operations, base.transaction_attributions (builder codes), plus …

  StellarOnchain data

  n/a/ request

  2026-11-04

• https://agent402.tools/api/onchain-sql-schema

  The table + column schema for the onchain-sql tool - every queryable table (base.events, base.transactions, base.blocks, base.decoded_user_operations, base.transaction_attributions, solana.instructions, …) with its colu…

  StellarDeveloper tools

  n/a/ request

  2026-11-04

• https://agent402.tools/api/onramp-link

  Generate a single-use hosted onramp URL that lets a human fund any wallet with a card or Apple Pay - the fastest way to put real USDC into an agent's wallet. Returns the ready-to-open URL, and a fee-inclusive quote when…

  StellarOnchain data

  n/a/ request

  2026-10-27

• https://agent402.tools/api/openapi-diff

  Compare two OpenAPI 3.x or Swagger 2.x documents and return a structured diff: added / removed / changed endpoints, with a conservative "is any change breaking?" flag. Breaking = an endpoint or required-2xx status was r…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/openapi-extract

  Flatten an OpenAPI 3.x or Swagger 2.x spec into a structured list of callable endpoints - one row per operation with method, path, operationId, summary, tags, parameters (name / in / required / type), JSON-body flag, an…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/openapi-lint

  Score an OpenAPI 3.x or Swagger 2.x spec on agent-readiness - i.e. does an LLM-driven caller have what it needs to call the API correctly without guessing. Returns a 0..100 score, severity counts, and a structured list …

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/openapi-mock-response

  Synthesize a JSON response body for one operation + status code in an OpenAPI 3.x or Swagger 2.x spec. Locate the operation by operationId or method+path. Pick the response by explicit `status`, else the first 2xx, else…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/openapi-redact

  Shrink an OpenAPI 3.x or Swagger 2.x document for LLM context by stripping verbose meta-fields (examples, descriptions, summaries, tags, externalDocs, deprecated). Categories are explicit; default is `["examples", "desc…

  StellarDeveloper tools

  n/a/ request

  2026-11-04

• https://agent402.tools/api/openapi-required-params

  For one operation, return the minimum set of inputs an agent must provide to make a successful call. Locate the op by `operationId` (preferred) or by `method`+`path`. Output is a single flat array tagged by `in`: `path`…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/openapi-resolve-refs

  Inline every local `$ref` in an OpenAPI 3.x or Swagger 2.x document so downstream tools see a self-contained spec. Resolves `#/components/...` (OpenAPI) and `#/definitions/...` (Swagger) JSON-pointer refs anywhere in th…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/openapi-search

  Search operations in an OpenAPI 3.x or Swagger 2.x spec against a free-text query. Tokenizes the query (lowercase, alphanumeric runs), scores each operation by which fields the tokens match - operationId +3, path +3, ta…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

• https://agent402.tools/api/openapi-security-summary

  Resolve authentication requirements across an OpenAPI 3.x or Swagger 2.x document. Returns the catalog of security schemes (`components.securitySchemes` in OpenAPI 3, `securityDefinitions` in Swagger 2) verbatim, the do…

  StellarDeveloper tools

  n/a/ request

  2026-10-27

By chain

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.

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