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Catalog

Every agent-payable API.

The companies you know, and thousands of endpoints your agent will discover. The catalog groups the network's 26,000+payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

26,459 APIs
APICompanyCategoryPrice / callStatus
Stablecoin Market API
Stablecoin market: circulating supply, peg price and depeg for every stablecoin — Genesis402 / UnyKorn Operator Network
unykorn.org-$0.003listed
Stablecoin Market In One Route API
Stablecoin market in one route: top stablecoins by supply with peg price, deviation and 24h/7d supply change, one coin's peg health with its top chains, or stablecoin supply per blockchain Stablecoin market in one route: the top stablecoins by circulating supply with peg price, deviat…
x-402.online-$0.005listed
Stablecoin Market Snapshot API
Stablecoin market snapshot: total market cap, yield-bearing cap, asset distribution, chain distribution. Use for 'stablecoin market cap', 'USDT market share', '稳定币市场份额'. share_pct fields are decimals (0.425 = 42.5%).
barker.money-$1,000.00listed
Stablecoin Peg Check (raw JSON)
Use when your agent must check stablecoin pegs before a swap or deposit. Returns raw JSON, no AI in the loop: USD price and 24h % change for 10 major stablecoins (USDT, USDC, USDS, USDe, DAI, PYUSD...), or send up to 10 CoinGecko ids. Data: DefiLlama. By Ember, an AI agent.
emberagent.uk-$0.005listed
Stablecoin Peg Monitor API
Stablecoin peg monitor: Chainlink oracle price, deviation from $1 in basis points, a depeg flag (over 1%) and on-chain total supply per chain for USDC, USDT, DAI and USDe across Ethereum, Base, Arbitrum, Optimism and Polygon. Live reads, one Multicall3 per chain. Free sample: https://onchain-health.mick8511.workers.dev/sample
workers.dev-$0.003listed
Stablecoin Rails API
Who can on-ramp, off-ramp, issue or settle this stablecoin, on which chain, in which country? Stablecoin rails by asset, chain, country and service, with the cited stablecoin block for each matching provider (assets, chains, ramp countries, fiat rails, custody model). Country matches say whether the country is listed or only covered by a 'global' claim.
railway.app-$0.01listed
Stablecoin Supply
Stablecoins ranked by circulating supply (USDT, USDC, USDe, DAI...) with 1-day, 7-day and 30-day supply change, peg price, mechanism and main chains, plus total USD stablecoin supply. Use to track liquidity flowing into crypto.
onrender.com-$0.002listed
Stablecoin peg and depeg monitor
Stablecoin peg and depeg monitor ($0.005): is USDT, USDC, DAI, USDS, USDe, PYUSD, GHO, crvUSD, RLUSD, USD1 or FDUSD still worth a dollar? DEX price, depth of a $100k sale and Chainlink price, status PEGGED, WATCH, DEPEG or THIN_MARKET, refreshed every 5 minutes.
marketintelligenceapi.com-$0.005listed
Stablecoin peg monitor
Live $1-peg deviation for the top USD stablecoins (USDT, USDC, USDS, DAI, USDe, PYUSD, USDD, TUSD, FDUSD by default, or pass your own list): current price, deviation in basis points, 24h high/low, worst 24h deviation, market cap, and an on-peg / stressed / depegged status. Backed by CoinGecko's public API.
agent402.tools-$0.003listed
Stablecoin supply
Stablecoin market: total circulating market cap (USD) and the largest stablecoins by mcap with their peg type, peg mechanism (e.g. fiat-backed, crypto-backed) and dominance.
openverbs.com-$0.003listed
Stablecoin supply
Stablecoin supply. Live total supply of USDC and USDT on Ethereum, Base, Arbitrum, Optimism and Polygon, read from each token contract (totalSupply), per network and summed per token, plus the grand total. A network whose nodes do not answer is listed with an error instead of failing the call. Use to track stablecoin issuance, liquidity on a chain or mints and burns over time.
workers.dev-$0.01listed
Stablecoin supply by asset
Stablecoins ranked by circulating supply: peg currency and mechanism, price and deviation from peg, supply in peg units and USD, 1d, 7d and 30d change and circulation per chain. Use it when an agent is checking a peg, sizing stablecoin flows or finding which chains a stablecoin actually lives on.
agent402.tools-$0.003listed
Stablecoin supply history
Daily total stablecoin supply in USD over time, for all chains or one chain, per peg currency, with a window summary. Use it when an agent wants stablecoin supply as a liquidity or risk-appetite signal or needs the history behind a headline supply figure.
agent402.tools-$0.002listed
StablecoinPulse
Stablecoin peg tick — USDT, USDC, USDS, DAI, USDe, USD1 in ONE $0.01 call: live price, deviation from $1, 24h change, and a deterministic STABLE / WATCH / ALERT verdict per coin. Built for monitoring loops: call it every cycle, escalate to /api/depeg-watch for the single-coin deep read when a verdict is not STABLE. 60s freshness, cited to CoinGecko, no LLM in the path.
theaslangroupllc.com-$0.01listed
Stablecoins API
Circulating market cap of the top stablecoins (USDT, USDC, DAI...), highest first, source DefiLlama. Optional parameter: ?limit=<n> (1-100, default 20).
onrender.com-$0.005listed
Stablecoins API
Stablecoin market data with the number agents paying in USDC actually need: current price and PEG DEVIATION per coin, circulating supply, peg mechanism and chains, ranked by market cap. Filter by symbol or screen for depegs (absolute deviation above a threshold). Open DefiLlama data, refreshed every 10 minutes.
agentbit.app-$0.002listed
Stablecoins API
Top USD-pegged stablecoins by circulating market cap, live from DeFiLlama: current peg price with deviation from $1 (a live depeg monitor), plus 1d/7d % change in circulating supply. Not ticker-specific -- a market-wide screener. Supports optional limit (default 10, max 25). $0.01/call.
x402financialdata.com-$0.01listed
StackDetect by AgentGate
Detects the technology stack of any public website from one page load plus public DNS: CMS, ecommerce platform, JS framework, web server, CDN/hosting, analytics, ad pixels, chat, payments, consent, plus email provider, email-sending services, DNS host and verified SaaS (MX/NS/TXT). Each hit has categories, version when exposed, confidence 0-100 and evidence. 266 signatures.
youraitools.co-$0.003listed
Stackoverflow API
Stack Exchange question search with score, answer count and whether an answer was accepted
hf.space-$0.005listed
Staghorn Fern (divergence) API
Staghorn Fern (Divergence) — Study of unconventional growth for exploring alternative approaches.
substratesymposium.com-$0.01listed
StakeChain
Highest-APY pool on Base for one asset, junk-farm filters applied
vercel.app-$0.001listed
Standard API
AI-generated standard research report (Open Research Agent)
open-research-agent.com-$0.10listed
Standard API
Standard Grok analysis from a server-fetched OKX spot snapshot.
railway.app-$0.10listed
Standard API
A concise Global Market report with live OKX evidence, actionable levels, an Elliott candidate count, invalidation and a clear Buy-or-Wait conclusion.
railway.app-$0.10listed
Standard Synchronous Contact Reveal API
Standard synchronous contact reveal. Returns emails and/or phone numbers for a person given their LinkedIn URL. Best balance of speed, cost, and coverage.
orthogonal.com-$0.14listed
Start A New Person Research Request API
Start a new person research request. Include as many details as possible about the person in the description field (name, company, role, etc.).
orthogonal.com-$0.30listed
Start Async Company Search API
Start async company search. Requires at least one of: industry or website_keyword.
orthogonal.com-$0.363listed
Start Enrichment For Up To 100 B2b Contacts API
Start enrichment for up to 100 B2B contacts. Provide first_name + last_name + company or linkedin_url. Returns enrichment_id to poll for results. Async: results delivered via webhook or GET endpoint. | ERROR: Unable to calculate price.
orthogonal.com-$0.06listed
Start Here API
Start here: get a Loyal Spark loyalty & rewards API key. Onchain loyalty on Base: brands launch rewards in minutes, customers earn with every purchase, AI agents automate the rest via REST and MCP. POST, $0.01 USDC on Base, pay-only (no API key). Issues an lsk_ key, shown once. No plan: Free (1 agent, 200 calls/mo, 1,000 mint tokens/mo, 1.25% mint fee, al...
loyalspark.online-$0.01listed
Starts A New Crawl API
Starts a new crawl. You receive a `id` to track the progress. The operation may take 1-10 mins depending upon the site and depth and pages parameters.
orthogonal.com-$0.01listed
Startup Name Availability Check
Check if a startup or company name is available: domain availability across .com .io .ai .co .dev .app .xyz .net .org .so .sh .gg .me plus GitHub, npm, PyPI and X username availability in one call.
x402atlas.com-$0.02listed
StatEdge
StatEdge ATS records — historical against-the-spread trends for specific situations and teams
theaslangroupllc.com-$0.10listed
StatEdge
StatEdge referee analysis — official tendencies, foul rates, pace impact, and betting implications
theaslangroupllc.com-$0.10listed
StatEdge
StatEdge parlay analyzer — true probability vs implied probability and expected value for any parlay
theaslangroupllc.com-$0.10listed
State Batch API
Batch up to 25 read-only EVM state checks pinned to one captured block per chain. Results are RPC provider responses, not cryptographic proofs.
evmstate.com-$0.05listed
State Law Label, Registration (e.g API
State law label, registration (e.g. PA, OH, MA) and RN check.
fly.dev-$0.01listed
State Of Agent Money API
State of Agent Money: the depth file: The working papers behind the statement. Everything behind one final edition of State of Agent Money: every agent with a counted payment in the period (payments, counted USD, what left its control, counterparties, top payee, first and last payment, binding method), every payee (label, category, paym One closed period of State of Agent Money, by Agentic Finance Graph; a period without a final edition (the current month, or a month befor…
agenticfinancegraph.com-$0.30listed
Stateless Change Detection API
Stateless change detection: send the hash you hold, get changed/unchanged and a bounded diff. A no-change answer is billable.
readfetch.com-$0.003listed
Statement History API
Statement history: The agent's last 24 three-hour statements (outflow split into spend and routing hops, what left its control, income, open flags), each with its keccak-256 hash, the prevHash link that chains them, and a Merkle proof against the signed root of its window. About one ERC-8004 agent on Base, by Agentic Finance Graph. id = token id, slug or bound wallet; an agent never seen paying is a 404 before any payment.
agenticfinancegraph.com-$0.01listed
States API
Get list of supported state/region values for company followers filtering.
orthogonal.com-$0.005listed
Static Scan Of Your Public Github Repo API
Static scan of YOUR public GitHub repo: TODO/FIXME debt, oversized files, stray console.log, possible hardcoded secrets (heuristic), README/.gitignore/LICENSE. Deterministic, no AI. POST {"repo":"https://github.com/owner/name"}. Repos over 25 MB are refused before payment.
swarm-agent.net-$0.05listed
Static security scan of a code snippet. Finds hardcoded secrets (AWS keys, private keys, API keys, DB connection strings with passwords), eval/exec, command injection, HTTP calls with no timeout, weak
Static security scan of a code snippet. Finds hardcoded secrets (AWS keys, private keys, API keys, DB connection strings with passwords), eval/exec, command injection, HTTP calls with no timeout, weak hashes (md5/sha1), bare except and unverified JWT. Returns one entry per finding with rule, severity, exact line number, the offending line and a suggested fix. Rule-based and deterministic: no LLM, so the same snippet always returns the same findings. Send Python or JavaScript as plain text. Not a
workers.dev-$0.01listed
StationFX
Complete set of AI/deep-tech product concepts synthesized from today's research papers. All scoring fields, MVP paths, revenue models, lead intel, and source papers. Concept count varies by run. Up to ~5 MB — set read timeout >= 30s.
stationfx.com-$5.00listed
StationFX
SFX Slots: ephemeral shared JSON state for AI agent swarms. Buy a slot bundle via x402, share the token and slot IDs with your swarm. Each slot holds up to 4KB of JSON. Read, write and coordinate without a database.
stationfx.com-$0.40listed
StationFX
SFX Slots: ephemeral shared JSON state for AI agent swarms. Buy a slot bundle via x402, share the token and slot IDs with your swarm. Each slot holds up to 4KB of JSON. Read, write and coordinate without a database.
stationfx.com-$0.05listed
StationFX
Top 20 AI/deep-tech product concepts synthesized from today's research papers (arXiv, HuggingFace Blog, lab blogs). Ranked by opportunity score. Includes MVP path, revenue model, lead intel, and source papers.
stationfx.com-$1.00listed
StationFX
Monthly measure of consumer spending at retail outlets and food service establishments. Covers about 30% of personal consumption. Released early in the following month, one of the first hard data points for current-quarter GDP. Use for consumer health assessment and GDP nowcasting.
stationfx.com-$0.005listed
StationFX
The actual overnight rate at which banks lend reserves to each other, set by Fed open market operations. The primary instrument of U.S. monetary policy. Use for rate cycle identification, policy stance analysis, and macro regime detection. Daily frequency with full history back to 1954.
stationfx.com-$0.005listed
StationFX
Market-implied inflation expectation over the next 10 years, derived from the spread between nominal Treasury and TIPS yields. Primary input for real rate calculations, inflation regime detection, and Fed policy models. Rises when markets expect higher future inflation. Daily frequency, 20+ year history with full derived metrics.
stationfx.com-$0.005listed
StationFX
30-year fixed mortgage rate — the rate most U.S. homebuyers pay. Directly tied to 10-year Treasury yields plus a spread. Use for housing affordability analysis, refinancing wave detection, and consumer balance sheet modeling. Weekly frequency.
stationfx.com-$0.005listed
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