the402 x402 endpoint directory

pdf metadata, pdf info, pdf properties, pdf author, pdf title, pdf creation date, pdf page count, pdf version, pdf cre

Format any DOI into a styled citation (apa, mla, chicago, ieee, harvard, vancouver). Returns plain-text bibliography s

Live WMT Walmart stock quote (NYSE). Zero-param: GET returns current price. 沃尔玛股票实时报价。ウォルマート株価。Cotización Walmart. 월마트

Check whether a wallet holds or has claimed a specific airdrop/token contract balance on EVM chains, with symbol and f

Detect text language with rule-based unicode-script + Latin stopword matching. Returns ISO 639-1 code, detection metho

Block height closest to a given unix timestamp on a chain, a primitive for historical on-chain queries. Saves agents a

IPO schedule

SolvScore bulk agent credit lookup

IPO schedule

Any public URL as clean Markdown

Single card details (name, set, image, rarity, TCGPlayer ID) for Pokemon, Magic: The Gathering, Yu-Gi-Oh, Lorcana, and

DUKE Baseball Analyze

Market news

P/E, PEG, margins, ROE, growth, beta

Analyst target high/low/mean/median

Send a conversation to a model and get a completion back. Works exactly like the OpenAI chat completions endpoint. Pas

Run code in isolated sandbox — Python, JavaScript, Bash, R (up to 5 min)

List enrichment jobs with optional filtering.

Premium AI joke generation

DeepSeek's flagship chat model — strong open-source reasoning and coding at low cost

https://api.optranslations.com/api/v1/parser

Access to protected content

Access to protected content

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $0.005 on base.

Answers 402 via GET. Speaks the v2 dialect over the PAYMENT-REQUIRED header, charges $0.005 on base.

Classify text or JSON into categories with AI: sentiment analysis, topic, intent detection, urgency triage, or a custo

Convert and transform data between formats: CSV to JSON, XML to JSON, and Markdown to HTML. Parse and reshape tabular

Find LEI records matching a company name, with jurisdiction, country and registration status.

Security and provenance for an open-source package, composed live from three authoritative sources in one call. Pass e

Industrial facilities reporting to the EPA Toxics Release Inventory in a ZIP code or a city, with the TRI facility id

Search the National Vulnerability Database by keyword, CPE, publication window or CVSS severity, returning a paginated

Recent drug enforcement actions and recalls for a product or firm, with classification and reason.

Candidate HTS classifications for a plain-language product description, each with its code, description, units of quan

Federal candidates matching a name, with their FEC candidate id, party, office, state and election years.

The closest US street segments to a point, with name, road class, route type and distance in meters, from Census TIGER

Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. A

Smart-money bundle in one call for any US-listed company by stock ticker or CIK: insider trades (Form 4), institutiona

Market Intel & Signals ($0.006/call): Deep snapshot and execution microstructure for one Polymarket market: implied pr

Crypto Perp Snapshot ($0.006/call): One-call perpetual-futures snapshot for a coin (BTC, ETH, SOL, ...): funding rate

Parse an XML sitemap or sitemap index into JSON: up to 5000 URLs with lastmod and priority, or the list of child sitem

Parse any RSS, Atom or RDF feed into normalized JSON: feed title, description and up to 100 items with title, link, pu

Repeat a saved recent-tweet search to monitor a brand, topic, or phrase over time. Send the same query, language, and

Generate a deterministic buyer integration package for an x402/MCP service: MCP remote server config, Claude Desktop-s

Smart-money bundle for any US-listed company by ticker, in ONE call: SEC Form 4 insider activity (purchases vs sales —

Repeat a saved X/Twitter search query to monitor a brand, topic, or phrase over time. Send the same query, language, a

Every tracked yield pool across DeFi (lending, LPs, staking, vaults) with current APY/TVL.

TVL by chain — every chain DefiLlama tracks with current TVL totals.

List of every DeFi protocol DefiLlama tracks, with current and historical TVL across chains.

Monitors public X mentions of a brand, handle, URL, ticker, or phrase by searching recent posts and returning matches

Site/domain-scoped search via Decodo Google results. If primary search is quota-limited, a best-effort fallback maps s