Capability APIs,
built for agents.
APIs for AI utilities and media generation, finance and crypto, social, search and e-commerce data. Agents pay per call from one balance.
Payment quote with amount, asset, and merchant wallet
Search 10,000+ gift card & voucher brands across 180+ countries by name and country. Pay in USDC via x402, no account.
AI chat completions API - pay per request with USDC on Base
ERC20 token balance for any Ethereum wallet - USDC, USDT, DAI, or any token - via balanceOf (eth_call) on OneSource live Ethereum RPC
FullEnrich People Search — filter by company domain/name/LinkedIn URL, seniority, title, location, skills, and 20+ FullEnrich filters. Default lean roster: companies map + company_id refs; include_emp
Low-cost gateway health probe for real x402 settlement checks
Pay the send-native execution fee (native coin transfer)
Exa /search endpoint
Get a Firebase ID token for authenticating with the callable APIs
An agent-only messaging network. Agents register with an Ed25519 key and talk in public rooms and end-to-end encrypted private rooms and DMs. POST /v2/lookup finds agents by id, handle, name or query;
API recommendation and x402 discovery for your task. Required query: need. Which API should I call? Recommends which x402 API to use for any task, with evidence. Describe a task in plain words. Compar
Get Address Current Balance Data
Web search returning URLs, titles, and descriptions
Apify is the largest and most trusted marketplace of tools for web scraping, crawling, data extraction, and automation. Use these tools, called Actors, to extract structured data from social media, e-
corpusAI Cloud Pricing: Every listed price for one model on one day: each source and hosting provider, USD per million tokens.
OpenAI-compatible LLM inference and chat completions via discounted Venice API credits. Pay USDC to receive a live Venice.ai API key for /api/v1 models, chat, images, audio, video, and embeddings. Sam
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
Get real-time Best Bid/Ask for any FX pair, aggregated from multiple institutional liquidity providers. Includes quality metadata (fresh_sources, quality_state, spread_vs_single_source). Supports 29 F
Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At least one filter required. Params: words, phrase, anyWords, noneWords, hashtags,
Importance-ranked crypto headlines with per-article source links and publish times, plus a sentiment-scored market brief. Regenerated hourly; meta carries the snapshot's age and a fresh/stale verdict.
LLM inference as a pay-per-call commodity — ask anything (?q=...) and get the first live answer from a multi-provider failover chain (Groq, Gemini, paid tiers when configured). One flat price, any sub
Aggregated crypto price feed — top tokens (BTC, ETH, SOL) + stablecoins (USDC, EURC). Paid via x402.
Search tweets with advanced operators (recommended). Body param is `query` (not q), e.g. {"query":"from:elonmusk AI min_faves:100"}
Set prototype tier ($0.10 USDC) — auto-detects start/renew/upgrade
Upcoming high-impact macroeconomic events from the live Forex Factory calendar - central bank rate decisions, FOMC, CPI, NFP, GDP and more - each with currency, scheduled time, forecast and previous v
Search Google Flights for flight offers. Returns best flights, other flights, price insights, and airport info.
Package vulnerability lookup API. Is this package version safe to install? Known vulnerabilities (CVE/GHSA ids, severity, CVSS score, fixed-in versions) and malicious-package flags for one npm, PyPI,
OpenAI-compatible chat completions across the Venice AI model catalog. Pay per request in USDC on Base via x402, with no account and no API key. Overpayment is never lost: it banks as reusable wallet
Enrich a person by email, LinkedIn URL, name+company, or other identifiers. Returns contact details, job info, and social profiles.
Apify Store is the largest marketplace of tools for AI agents. Extract data from any website and automate your workflows with thousands of scrapers, crawlers, and automation tools called Actors.
Get Arkham intelligence for an address. $0.20 per call.
Browse open P2P marketplace offers to buy or swap loyalty tokens on Base. Onchain loyalty on Base: brands launch rewards in minutes, customers earn with every purchase, AI agents automate the rest via
Text-to-image generation on Venice models (Flux, SD3.5, GPT-Image, HunyuanImage, and more), paid per request in USDC on Base via x402, no API key. Charge is catalog unit × variants (1–4). A bare unpai
x402engine — Premium text-to-speech with ElevenLabs — ultra-realistic voices, multilingual support, custom voice IDs
Real-time Bitcoin price in USD, a median across 10 exchanges including Binance, Coinbase, Kraken and Bullish — Ed25519 signed attestation
Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): current spot price, token symbol, decimals, and a confidence score, for up to 50 coins in one
START HERE — the cheapest answer we sell ($0.001) and the first call most agents make. Is crypto risk-on right now? Whether the BTC 200-day master gate is open or closed, the LONG/CASH state of the BT
Payment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid capabilities. HTTP payment options can include Base, Polygon, Arbitrum and XDC; the ch
Use when an agent needs a trusted UTC timestamp or the smallest end-to-end test of its x402 payment client. Returns Current server time as ISO 8601 and Unix epoch milliseconds, returned only after a r
Crypto token price and market data. Returns the live price of one or many tokens by coin id or ticker symbol, in a chosen vs-currency, with market cap, 24-hour volume, and 24-hour price change. For cr
Complete weather bundle in one call: current conditions (temperature, feels-like, humidity, wind speed/direction/gusts, pressure, cloud cover, precipitation, UV, day/night) plus 24-hour hourly and 7-d
Web search API for AI agents — find current information, news, documentation, competitors, prices or any fact that needs a fresh, citable source. Pay-per-call, no API key. Returns ranked results with
Search Twitter/X with structured filters or raw advanced-search syntax. Returns up to 20 normalized tweets with full text, author details, engagement metrics and a pagination cursor.
U.S. Treasury yield curve: the latest daily yields from 1 month to 30 years, the 10Y-2Y and 10Y-3M spreads, inversion flags (a closely watched recession signal) and changes vs. the previous day, a mon
A dated news brief on any topic for your agent, refreshed every 15 minutes. Returns the most reported recent headlines, each with source, link, published time, age in minutes and an importance score f
Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each response carries the ML-DSA-65 attestation ID of the served snapshot — tamper-evident re
Real-time web search for AI agents — search the web and get ranked SERP-style results as clean JSON: title, URL, snippet, relevance score, optional LLM-generated answer. Find up-to-date information on
Smart Contract Audit — Security review of a single contract
Live current weather conditions for any city, sourced from Open-Meteo
Ranks every StonkFun reward coin 0-100 on whether it is alive, paying, and liquid: recent holder payout, holders, size, turnover, age, momentum, quote strength. Stages GEM / WATCH / NOISE / DEAD with
Korean exchange prices (Upbit, Bithumb) for a single token in KRW
US macroeconomic indicators in one call: real GDP growth, CPI inflation, core PCE, unemployment rate, nonfarm payrolls, Fed funds rate, 2-year and 10-year Treasury yields, Japan 10-year yield, WTI cru
Render one public web page in a headless browser and extract bounded text and source links, for pages whose content appears only after JavaScript runs. Standard x402 resend with an immediate opt-in fa
Markdown Extractor: Fetch a URL and convert its main content to clean, LLM-ready Markdown (strips nav/ads/sidebars). Options: output_format (markdown|text|json), css_selector, max_length, include_link
Buy an upload slot. Agent uploads file via returned URL.
Fetch a file from a URL and return it as base64 with its content type and a data URI, ready to embed.
Chat completions via Telnyx Inference (meta-llama/Meta-Llama-3.1-8B-Instruct). OpenAI-compatible. $0.002237 USDC per call.
The most-recent N OHLCV candles (≤5000), in Hyperliquid's candleSnapshot shape. Same per-row pricing as the windowed read ($0.00001 base for main/spot, $0.000025 premium for HIP-3/HIP-4); candles lag
Web scraping / URL fetch: retrieve any web page and return clean, LLM-ready markdown text. Strips boilerplate, ads, and navigation. Stealth HTTP client bypasses common bot blocks. Cheapest way to read
Get OpenAI-compatible inference from many models at market prices via Surplus Intelligence.
Live crypto spot prices in USD for up to 10 coins per call (BTC, ETH, SOL ...), median of Coinbase and Kraken with each source shown. $0.002 USDC on Base. No account, no API key.
Email deliverability & domain security check — validates SPF, DKIM (multi-selector), and DMARC, detects spoofing and misconfigurations, and returns an A–F email security grade with transparent deducti
Search onchain DEX pools and token, by contract address, name, or token symbol.
Fast real-time news scan across 44+ curated domains (configs/search_domain_profiles.json), every item source-attributed. Settlement proof: ProofOfSettledOutcome (kind 30120, data/proof_settled_outcome
ElevenLabs TTS: 29 characters, voice hpp4J3VqNfWAUOO0d1Us
Returns cited land use, acreage, year built and legal jurisdiction for an address or jurisdiction-scoped parcel id. Returns the same records as locus_parcel_lookup. Use this when your client can only
Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly reports, and 8-K material events. Resolves ticker to CIK via SEC's official index and ret
Keyword suggestions API: discover keywords to target from a website or page using Google Ads Keyword Planner data, with monthly search volume, CPC, advertising competition, bid estimates and monthly s
BAGS Agent API index — machine-readable directory of the agentic payment API, MCP server, and x402 payment surface.
Real-time BTC/USD price feed oracle. Retrieves live spot rate, 24h high/low, and volume directly from Coinbase Exchange.
Money Reactor paid API - catalog: https://money-reactor.makar52nn2016.workers.dev/.well-known/x402.json
Market Value to Realized Value Ratio (MVRV) — Market Value to Realized Value (MVRV) is the ratio between market cap and realized cap. Data by Glassnode.
Latest weekly price row for a Stock Trends symbol, including adjusted close, weekly high/low, volume (actual shares traded), trades, and price change.
Gas price API for Base and Ethereum: base fee, priority fee and a max-fee suggestion in one GET, no parameters. Returns JSON per network: baseFeeGwei, priorityFeeGwei (p50, with p10/p90), suggestedMax
Bitcoin spot price in USD. Pay-per-call $0.001 USDC. AI agent BTC price feed.
Real-time trade stream with market summaries (2hr rolling window, $500+ trades)
Google Trends interest over time for a keyword — search popularity worldwide or for one country (geo) over a timeframe from the past hour to 2004-present (default: monthly since 2004), with ready-to-c
GlianaAI - Pay-per-call AI models, live market data, SEC filings and identity APIs, no signup, USDC. This resource: tools/exchange-rate. Fiat currency conversion across 160+ currencies. https://ai.gli
Spot price: the on-chain DEX price for SOL, BTC or ETH, the median of deep USDC pools on Solana, Ethereum and Base read from chain state, and the pools that served it. Use when you need to answer: Wha
Cheap robots.txt preflight check before you call the Minifetch /extract and /run/seo-page-audit endpoints: returns whether Minifetch may fetch a target URL (allow/deny) plus its crawl-delay. If blocke
Google: Scrape Google search results in JSON format automatically using custom parameters. Structured JSON, USD 0.05 per call in USDC — no API key, no account, no subscription, no minimum. Not affilia
Text stats (demo) — Counts words, characters and sentences in a text. Demo seller for the marketplace. (community listing, paid to 0xdCbF15D032133846016377A0C78BcF068A352eC0 or HxkTiWGiFcY4jcRTVHgcoJe
Country code to World Bank name, region, capital, income group and lending classification
Paginated list of merchants (top recipients by volume)
Current Base gas prices and a simple-transfer cost estimate for transaction planning.
Pay-per-read pieces by independent publishers. Find one by question first: POST https://tenjin.sh/api/search is free and returns payable candidates or an honest MISS. The 402 carries a free preview; p
Speech-to-text with Whisper large-v3-turbo: send an https audio URL (or base64) up to 10 minutes and 25 MB, get the transcript, language and timestamped segments.
News search: latest news articles and headlines by keyword with title, url, source and published_at from our own index of about 100,000 English web articles a day (built from the GDELT Project, thousa
Recent news articles about a specific US-listed company. Pass ticker and optionally a from/to date window (YYYY-MM-DD; defaults to the last 14 days); returns headlines with source, summary, URL, image
Payment flow verification for agents integrating x402: confirms your wallet and payment channel work before you spend on a real endpoint, and returns the full service catalog with prices and example i
Spot Check. REQUIRES ?host= on the paid request — a signed request without it is refused before the gate and no money moves. Name a host and get what this observatory already holds on it, signed: corp
Web scraping API for AI agents: read any live web page as clean markdown, text or HTML. Renders JavaScript in our own headless browser, then strips navigation, ads and boilerplate. Use it when a plain
Cheapest endpoint: liveness plus x402 payment pipeline check — Returns ok with the server time and whether this call was paid. Use it to verify your x402 client end to end before spending on data endp
X Tweet Search ($0.02/call): Search X (Twitter) posts with full advanced-search syntax (from:, since:, until:, exact phrases, boolean operators). Returns up to 20 posts per call as clean JSON with met
Health and payment-path check. Returns server time and confirms the x402 payment settled. The cheapest endpoint in the catalog at $0.001, intended for testing a client's payment flow.
Person name matching and deduplication: generates an AI-powered similarity key for an individual's full name, so variations such as 'Bob Smith', 'Robert Smith', and 'Smith, Robert J.' produce the same