Catalog

Every agent-payable API.

The companies you know, and thousands of endpoints your agent will discover. The catalog groups the network's 11,000+ payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

11,253 APIs
APICompanyCategoryPrice / callStatus
Trending API
Use for one call answering 'where is retail attention right now': a deterministic 0–100 attention score per ticker blending Reddit finance-community and 4chan /biz/ mention shares (24h window), with momentum, cross-platform confirmation, breadth & concentration (HHI), and Fear & Greed context. Transparent — every row carries its raw per-platform inputs. From x402stock
x402stock.xyz-$0.04listed
Upcoming Us Economic Data Releases API
Upcoming US economic data releases — WHEN the market-moving prints land, not just their latest values. Returns curated high-importance releases (CPI, PPI, PCE, jobs, JOLTS, GDP, retail sales, housing starts, industrial production) within `?days=` (default 30, max 90), each with date and category, plus the next FOMC meeting. `?past=true` includes the last week. Release dates from FRED.
x402stock.xyz-$0.02listed
Use To Find The Day's Biggest Movers In One Call API
Use to find the day's biggest movers in one call. Returns the top 10 gainers and top 10 losers by percent move with price, the current US market session status (open, closed, pre, or post), and the latest market news headlines. No ticker needed. Built for agents scanning what is moving today. From x402stock, a pay-per-call market & economic data API. Pay per request in USDC via x402, no API key.
x402stock.xyz-$0.03listed
VAPE
VAPE treasury — A protocol's on-chain treasury composition — total USD, own-token USD, and the own-token share (a treasury that's ~all its own token is a fragility signal).
workers.dev-$0.01listed
Verification Status API
Verification and tier status for an AI agent on AgentCrush. Returns tier, verified flag, claim status, and last tier update timestamp.
agentcrush.xyz-$0.005listed
Vibe Springs
Complete DeFi portfolio snapshot for any wallet address in one call. Aggregates wallet balance and token holdings (Viem + Blockscout), on-chain risk score and flags, top USDC DeFi yields available on the chain (DefiLlama), and current gas prices — all fetched in parallel. Ideal for DeFi agents, portfolio trackers, and risk-aware execution engines.
vibesprings.net-$0.10listed
VoidFeed
Returns working technical solutions to common implementation problems, with the production-critical completion step that handles errors, edge cases, and security.
voidfeed.ai-$0.25listed
Wash Detail API
Top 50 buyers per service with full label classification, confidence scores, and signal-by-signal breakdown.
printmoneylab.com-$0.005listed
WhaleAlert
Large on-chain transaction monitor — whale movements on Base, Ethereum, and Robinhood Chain with AI pattern analysis
lonestaroracle.xyz-$0.05listed
Yield.xyz MCP
Build unsigned transactions to enter any DeFi yield — native/liquid staking (ETH, SOL, ATOM), stablecoin lending (USDC/USDT on Aave, Morpho), ERC-4626 vaults, and tokenized RWAs across 80+ networks. Does NOT execute: the caller signs and broadcasts each tx, so keys never leave the caller. Find yield IDs via yields_get_all.
yield.xyz-$0.001listed
agenttoll.dev
SEC 8-K velocity — EFTS FullTextSearch + Atom current, 1h vs 24h mean spike >3x, Item 1.05/2.02/5.02 boost
agenttoll.dev-$0.03listed
alpha402x
Verbatim, line-cited extraction of the material quantitative sentences from any U.S. company's SEC 10-Q (debt, buybacks, acquisitions, litigation). Extractive, not generative. Any ticker.
alpha402x.com-$0.05listed
breach-account
Look up the known breaches an email address appears in, returning breach METADATA only (name, date, data classes) and never passwords or leaked personal data. Uses the keyed Have I Been Pwned account API; when no API key is configured the route returns available false and the keyless password and domain routes still work. Breach indicators, not a guarantee.
agentstools.dev-$0.01listed
dev-package-stats
Package intelligence across npm / PyPI / crates: latest version, age, release cadence, deprecation/yank, license, and download stats (last day/week/month) with a rising/falling trend. Aggregates the official registry + downloads API + deps.dev.
agentstools.dev-$0.005listed
entity-resolve
Resolve one legal entity across three public registries from a single identifier. Give exactly one of name, ticker, cik, lei, qid or isin and get back the reconciled set of ids (SEC CIK, GLEIF LEI, Wikidata QID, ISIN, ticker, EIN) plus legal name, jurisdiction and status, with per-id provenance and an optional GLEIF parent/child hierarchy.
agentstools.dev-$0.02listed
entity-search
Disambiguate a company by name: fuzzy legal-name search returning ranked candidates, each with the ids known for it (Wikidata QID, GLEIF LEI, SEC CIK, ticker), country and a match score. Cheaper first step before entity/resolve.
agentstools.dev-$0.008listed
freight-lookup
Search US motor carriers by name in the FMCSA Company Census and get ranked candidates, each with its USDOT number, MC docket, legal name, state, decoded carrier status, authority status and operation. Cheap first step before freight/carrier.
agentstools.dev-$0.008listed
govcon-recipient
Profile a federal contractor's spending footprint by name or UEI in one call: total federal dollars, top agencies, top NAICS, a fiscal-year trend and recent awards, fused from several USASpending.gov queries.
agentstools.dev-$0.01listed
madoromi
Japanese dream-interpretation agent API. Returns a deterministic 5-axis dream profile plus a long-form research-cited report (result schema agent-dream-insight.deep.v1). Japanese or English output. Dream text is never stored or logged. Async by default: the paid POST returns a job id in seconds; fetch the result with a plain free HTTP GET (no x402 client) at /api/agent/interpret/result/{job_id} (ready in ~20s). options.sync=true for one synchronous response (10-25s; client timeout 60s+).
madoromi.fun-$0.10listed
onchain-market-report
Rich cross-source market report for 50+ assets (crypto, stablecoins, forex, metals): Chainlink + DEX pools, TVL-weighted VWAP, total pool TVL, recent change and volatility — all computed by us from on-chain state.
agentstools.dev-$0.05listed
realestate-rents
Rental market indicators for a geography: HUD Fair Market Rents by bedroom count when a HUD token is configured, plus the Census ACS median gross rent as context. Falls back to the ACS rent when HUD is not configured. Aggregate market tier, US only.
agentstools.dev-$0.015listed
trade-hts
Classify goods against the US Harmonized Tariff Schedule. Give a keyword or an HTS code and get the matching HTS lines with their duty-rate columns, units and footnotes. The cheap supporting lookup that feeds trade/tariff.
agentstools.dev-$0.005listed
0.01 USDC on base-sepolia
0.01 USDC on base-sepolia
dev-mypinata.cloudai$0.01listed
A Stately Pleasure Dome
One letter of Kubla Khan, ownable once, ever; price rises with each sale. The letter index goes in the path: /api/poem/char/{i}. GET /api/ledger (free) lists letters already owned; GET /api/poem (free) has metadata.
astatelypleasuredome.com-$0.00103listed
Agent Confession API
Agent Confession API
mayim-mayim.com-$0.02listed
Agent402.tools
Transcribe audio to text using OpenAI (gpt-4o-mini-transcribe). Provide a URL to an audio file (mp3, wav, m4a, etc.) and get back the transcript. No API key needed; pay per call via x402. Max 5 minutes of audio, 25 MB file size.
agent402.tools-$0.03listed
Agent402.tools
Convert text to speech using OpenAI TTS-1-HD (higher fidelity). Returns base64-encoded audio. Same interface as /api/tts but with better audio quality. No API key needed; pay per call via x402. Text capped at 2000 chars.
agent402.tools-$0.10listed
Agent402.tools
Bundled execution of the Multi-stop trip planner workflow - Plan a multi-stop journey deterministically: geocode each stop, sum the pairwise haversine distances, estimate arrival times by adding driving hours per leg, count business days from toda...
agent402.tools-$0.05listed
Agent402.tools
Bundled execution of the API contract drift check workflow - The 'did this API contract change in a way that breaks our integration?' workflow. Diff two OpenAPI snapshots structurally, lint the new one for agent-readiness regressions, extract the ...
agent402.tools-$0.06listed
Agent402.tools
Convert text to speech using OpenAI TTS-1. Returns base64-encoded audio (mp3/opus/aac/flac/wav/pcm). 10 voices available. No API key needed; pay per call via x402. Text capped at 2000 chars.
agent402.tools-$0.05listed
Agent402.tools
Bundled execution of the Crypto research workflow - Pull live price, market structure, OHLC history, trending status, global market context, and recent news for a single coin in one pass. One x402 payment runs 7 underlying tools (crypto-price, cry...
agent402.tools-$0.70listed
Agent402.tools
Bundled execution of the Security audit workflow - Enumerate a domain's external attack surface in one workflow: certs, DNS posture, email auth, HTTP security headers, and tech stack. One x402 payment runs 7 underlying tools (cert-transparency, dn...
agent402.tools-$0.12listed
Agent402.tools
Transcribe audio to text using OpenAI (gpt-4o-transcribe). Higher accuracy than the standard tier. Provide a URL to an audio file and get back the transcript. No API key needed; pay per call via x402. Max 10 minutes of audio, 25 MB file size.
agent402.tools-$0.10listed
Agent402.tools
Live gas price snapshot for a chain - slow / standard / fast tiers in gwei, plus the latest base fee. Sampled from eth_feeHistory (last 4 blocks, 25th/50th/90th percentile priority fees). Use to estimate before broadcasting a transaction from anot...
agent402.tools-$0.005listed
Agent402.tools
OpenAI-compatible chat completions with server-side model choice: omit "model" (or send "auto") and the gateway routes the prompt to the top-ranked model for its task type (code / reasoning / long-context / general) from a fixed eval-derived ranki...
agent402.tools-$0.01listed
Agent402.tools
Current time: UTC ISO, epoch seconds/ms, day of week/year, ISO week - optionally rendered in any IANA timezone via ?tz=.
agent402.tools-$0.001listed
Agent402.tools
Extract a value from JSON by dot/bracket path, e.g. "items[2].name".
agent402.tools-$0.001listed
Agent402.tools
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. The simplest crypto price read - for ranked market-cap tables use crypto-market, for cand...
agent402.tools-$0.01listed
Apify API
Start the "Linkedin Post Search Scraper (No Cookies)" Apify actor (harvestapi/linkedin-post-search). Search LinkedIn Posts with advanced filters by target profiles or companies. No cookies or account required.
stableapify.dev-$0.01listed
AproxPay
Residential proxy fetch (up to 2MB). Returns HTTP 200 with the target body; read X-Target-Status for the origin status. Billed for the forwarded request, not for a 2xx origin response. For larger responses use /v1/proxy/large; at >17 requests a session pass is cheaper.
aproxpay.com-$0.003listed
AproxPay
Residential proxy fetch (up to 5MB). Returns HTTP 200 with the target body; read X-Target-Status for the origin status. Billed for the forwarded request, not for a 2xx origin response. For multi-step or larger traffic use /v1/session/heavy or /v1/session/gb.
aproxpay.com-$0.015listed
Arbitrage Scanner API
Token-by-token Kimchi Premium for 189+ tokens, reverse premium, Upbit-Bithumb gaps, market share
printmoneylab.com-$0.01listed
Ask API
Pay $0.01 USDC to ask Omniac, the Omniacs DAO mascot, any question about crypto, data science, or tech. Responses are concise by default. Powered by llama-3.3-70b via Venice.ai. Max question length: 2000 characters. Network: Base Mainnet. Each request sends one natural-language question to the model and returns one direct answer, making it useful for crypto explainers, technical Q&A, research support, and agent knowledge lookups.
0000402.xyz-$0.01listed
Avg Interest Rates API
The average interest rate the US Treasury currently pays on its outstanding debt, broken out by security (Treasury Bills, Notes, Bonds, TIPS, FRNs, savings, and the marketable/total aggregates) for the latest reported month, in percent. No ticker needed. A read on the government's cost of borrowing that complements the /treasury-yields curve. Sourced from the US Treasury (FiscalData).
x402stock.xyz-$0.01listed
Blocks Range API
Bulk Bitcoin block extract (max 144 blocks per call = $1.44 cap). Returns array of per-block summaries (height, time, miner pool, tx count, witness/taproot/ordinals/op_return stats, total output, coinbase reward).
carbon-cashmere.de-$0.02listed
Btc Volatility Risk Premium API
BTC Volatility Risk Premium — DVOL minus Parkinson realized vol (72h). Positive = sell-vol opportunity, negative = buy-vol. Response includes regime classification (LOW/MID/HIGH), raw inputs for audit (DVOL, RV_72h, RV_6h, spot), timestamp, and open methodology URL.
regimeshift.xyz-$0.001listed
Bullish/bearish sentiment score per token
Bullish/bearish sentiment score per token
agenticfi.wtf-$0.001listed
Business Change Intelligence API
Expand selected business event IDs into dated, versioned primary-source evidence. Use after lead search to verify a small set of results before citing or acting on them.
businesschanges.dev-$0.02listed
CashflowLens
Deterministic cash flow analysis and return analytics in one call: NPV, IRR (periodic), XIRR (dated), MOIC / DPI / TVPI, payback period, plus an optional DCF valuation (enterprise value, equity value, implied share price) with Gordon-growth or exit-multiple terminal value. Pure math from caller-provided cashflows — no market-data feed, no fabrication. Every metric is accompanied by evidence-backed findings and a signed response receipt.
hermesplant.com-$0.20listed
Check API
On-demand wash analysis for any wallet or seller address.
printmoneylab.com-$0.05listed
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