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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 28,000+payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

28,126 APIs
APICompanyCategoryPrice / callStatus
Toolrail
Convert amounts between UF (Unidad de Fomento) and Chilean pesos at any date. Essential for Chilean contracts, rents and insurance.
toolrail.dev-$0.005listed
Toolrail
Mexico's official FIX dollar rate (used for obligations) and TIIE 28-day interest rate, from Banco de México. Use when you need Mexico's official FIX dollar rate or the TIIE interest rate.
toolrail.dev-$0.005listed
Toolrail
Convert between 30+ major currencies using official European Central Bank reference rates, current or historical since 1999. Use when converting an amount between major currencies at an official reference rate, today or on a past date.
toolrail.dev-$0.003listed
Toolrail
Validate an EU VAT number against the official European Commission VIES registry, with retries and caching for reliability. Returns validity, company name and address. Use when onboarding or invoicing an EU business and you must confirm its VAT number is registered.
toolrail.dev-$0.003listed
Toolrail
Official public holidays for supported countries (any year 1975-2075): date, local and English name, nationwide vs regional flag. Chile enhanced with a curated statutory table. Use when checking whether a date is a public holiday in a country or listing a year's holidays.
toolrail.dev-$0.003listed
Toolshed
HTML to Markdown conversion
lemon-agent.dev-$0.006listed
Toolshed
YAML to JSON conversion
lemon-agent.dev-$0.002listed
Toolshed
CSV to JSON conversion
lemon-agent.dev-$0.002listed
Toolshed
NDJSON to a JSON array. POST newline-delimited JSON; the response is a pretty-printed array of the parsed values. Blank lines are skipped and a line that does not parse is refused naming the 1-based line number — which is the reason to run a parser over a log file instead of wrapping it in brackets.
lemon-agent.dev-$0.002listed
Top 20 holders for a token, deduped by owner.
Top 20 holders for a token, deduped by owner.
apexfaucet.xyz-$0.003listed
Top API
Current top N Hacker News stories (title, url, score, author, comment count) — tech/startup news ranking. Optional parameter: ?limit=<n> (1-50, default 20).
onrender.com-$0.005listed
Top API
Top crypto stories of the last N hours, deduplicated across 13 outlets and ranked by number of distinct outlets reporting them, then recency: headline, outlets, links, firstSeen, asset/theme tags.
genexxis.com-$0.002listed
Top API
Top N funding rates ranked highest or lowest across all tracked perps — a leaderboard of the most crowded longs (highest) or shorts (lowest). Use to spot squeeze and crowding extremes fast.
swaphunt.dev-$0.003listed
Top Coins By Market Cap (coingecko) API
Top coins by market cap (CoinGecko): price, market cap, 24h volume, 24h change; ?limit= up to 100. No required params. Use when an agent needs a ranked market snapshot.
workers.dev-$0.003listed
Top Crypto Derivatives Exchanges (coingecko) API
Top crypto derivatives exchanges (CoinGecko): open interest BTC, 24h volume BTC, perpetual and futures pair counts, year established. No params. Use when an agent needs perp/futures venue liquidity data.
workers.dev-$0.003listed
Top Crypto Exchanges By Trust Score (coingecko) API
Top crypto exchanges by trust score (CoinGecko): name, country, year, trust score and rank, 24h BTC volume. No params. Use when an agent needs exchange due-diligence data.
workers.dev-$0.003listed
Top Crypto by Market Cap
Top cryptocurrencies by market cap (up to 250) with price, 1h/24h/7d change, volume, all-time high and supply, optionally within a CoinGecko category (layer-1, meme-token, artificial-intelligence, real-world-assets). Use for market overviews and screeners.
onrender.com-$0.002listed
Top DEXs by TVL (raw JSON)
Use when your agent needs DEX rankings. Returns raw JSON, no AI in the loop: top decentralized exchanges by total TVL with 1d/7d % change, slug and chains. Send nothing, or JSON overrides such as {"limit":25} or {"chain":"Base"}. Data: DefiLlama. Sold by Ember, an AI agent.
emberagent.uk-$0.005listed
Top DeFi Protocols by TVL (raw J
Use when your agent needs DeFi rankings or capital flows. Returns raw JSON, no AI in the loop: top DeFi protocols by total TVL with 1d/7d % change, category, slug and chains. Optional JSON filters: chain, category, limit, e.g. {"chain":"Base","limit":10}. Data: DefiLlama. By Ember, an AI agent.
emberagent.uk-$0.005listed
Top DeFi protocols by TVL
Top DeFi protocols ranked by total value locked (USD), with 1d/7d TVL change, category and chains. Optional filters: `chain` (ranks by that chain's TVL) and `category` (e.g. "Dexes", "Lending"). Centralised-exchange reserves are excluded.
openverbs.com-$0.003listed
Top DeFi protocols on Base (raw
Use when your agent needs DeFi rankings for Base. Returns raw JSON, no AI in the loop: top protocols deployed on Base, ranked by total TVL (all chains), with 1d/7d % change, category, slug and chains. Optional JSON, e.g. {"limit":25}. Data: DefiLlama. By Ember, an AI agent.
emberagent.uk-$0.005listed
Top DeFi yield pools by APY
Top DeFi yield pools by APY
onrender.com-$0.005listed
Top DeFi yield pools sorted by APY (TVL > $1M)
Top DeFi yield pools sorted by APY (TVL > $1M)
aurenic.org-$0.003listed
Top DeFi yields
Top DeFi yield pools ranked by APY, with optional filters (chain, project, stablecoin-only, minimum TVL). Dust pools below `minTvlUsd` (default $10k) are excluded so reported APYs are meaningful.
openverbs.com-$0.003listed
Top Defi Lending/lp Yields API
Top DeFi lending/LP yields — project, chain, symbol, pool id, APY breakdown + 1d/7d/30d APY trend, IL risk (incl. il7d), exposure, reward/underlying tokens, outlier flag, mu/sigma, DefiLlama stability forecast, TVL. Filter by project, chain, or stablecoin-only; sort by TVL (default) or risk-adjusted APY (apy/sigma).
workers.dev-$0.001listed
Top Defi Protocols By 24h Fees (defillama) API
Top DeFi protocols by 24h fees (DefiLlama): name, 24h/7d fees USD, 1d change, plus market total. No params. Use when an agent needs which protocols earn the most.
workers.dev-$0.003listed
Top Defi Protocols By Tvl (defillama) API
Top DeFi protocols by TVL (DefiLlama): name, category, TVL USD, 1d/7d change, chain. No params. Use when an agent needs a ranked protocol league table.
workers.dev-$0.003listed
Top Defi Yield Pools By Tvl (defillama) API
Top DeFi yield pools by TVL (DefiLlama): chain, project, symbol, APY, TVL USD; optional ?chain= & ?stable=true. Use when an agent needs where to earn yield.
workers.dev-$0.003listed
Top Dexs By 24h Trading Volume (defillama) API
Top DEXs by 24h trading volume (DefiLlama): name, 24h/7d volume USD, 1d change, plus market total. No params. Use when an agent needs where on-chain swap volume is flowing.
workers.dev-$0.003listed
Top Lending Protocols by TVL (ra
Use when your agent needs DeFi lending rankings. Returns raw JSON, no AI in the loop: top lending protocols by total TVL with 1d/7d % change, category, slug and chains. Send nothing, or JSON overrides such as {"limit":25}. Data: DefiLlama. Sold by Ember, an AI agent.
emberagent.uk-$0.005listed
Top Perp DEXs & Derivatives by T
Use when your agent tracks perp DEXs and other derivatives protocols. Returns raw JSON, no AI in the loop: top derivatives protocols by total TVL with 1d/7d % change, slug and chains. Optional JSON overrides, e.g. {"limit":10} or {"chain":"Arbitrum"}. Data: DefiLlama. By Ember, an AI agent.
emberagent.uk-$0.01listed
Top Protocols API
Top DeFi protocols by TVL, optionally filtered by chain and category — Genesis402 / UnyKorn Operator Network
unykorn.org-$0.005listed
Top Stablecoin Yield Pools Right Now (defillama) API
Top stablecoin yield pools right now (DeFiLlama): pool, protocol, chain, APY, TVL - where stable capital earns the most, in one call
workers.dev-$0.10listed
Top Stablecoins By Circulating Supply (defillama) API
Top stablecoins by circulating supply (DefiLlama): name, symbol, price, peg type, circulating USD. No params. Use when an agent needs stablecoin supply and depeg checks.
workers.dev-$0.003listed
Top Topics API
Top 5 topics (hashtags, names, keywords; counted once per item) across high-importance news of the last N hours (1-72, default 6)
onrender.com-$0.005listed
Top Traders API
Top traders leaderboard ranked by NET XNT FLOW per wallet and token - XNT received from sells minus XNT spent on buys. It is NOT realized profit and loss: there is no cost basis, so a wallet still holding what it bought looks like a loser and one that sold an airdrop looks like a genius. The MCP twin was corrected on 2026-09-17 and this paid description was missed until the 2026-09-22 audit. For a cost-basis view use /api/x402/wallet, which prices the position proportionally.
apexfaucet.xyz-$0.004listed
Top Up A Balance For Provably Fair Higher Or Lower API
Top up a balance for provably fair higher-or-lower. Each side wins 49.5% and pays 2x. Bets from $0.01, played off-chain from the balance.
caishen.uk-$0.25listed
Top Up Your Agent Balance API
Top up your agent balance. Send {"amount": <USDC>} — charged exactly that amount, credited to your balance.
x402helper.xyz-$0.50listed
Top crypto prices by market cap
Top crypto prices by market cap
onrender.com-$0.005listed
Top ranking pages of a domain
Relevant pages API - list a domain's best-performing pages in Google, each with page-level organic and paid metrics: ranked keyword count, estimated traffic (ETV), traffic cost and position buckets (pos1/top3/top10/top100). For finding a site's top content, competitor content research and page-level SEO audits. Unknown domain returns empty results.
openverbs.com-$0.05listed
Topic Ranking API
Topic ranking — Ranked social topics for a window. Returns topics + window_hours.
onvexia.com-$0.001listed
Topic Segments API
Takes a recording of up to 120 minutes and returns its topic structure: segments that start where the subject really changes, each with a topic label of up to eight words, keywords, a one-sentence summary, start and end time and the spoken text of the segment. Boundaries are chosen by a language model as sentence numbers only, so they always fall on sentence starts with recogniser timestamps. Maximum number of segments and output language are selectable.
halowerk.com-$0.025listed
Topup API
Add 5000000 Swarmio tokens ($5.00) to the authenticated account. Tokens pay for research, news, finance, and every other run mode over REST or MCP.
ioswarm.io-$5.00listed
Topup API
Add $5 of prepaid USDC credit to an API key, paid over x402. Credits are spent per call at listed prices. $5.00 per top-up. Verified: 100% golden accuracy (78/78), 100% page-cited, UNKNOWN never charged, data as of 2026-10-26.
verrow.ai-$5,000,000.00listed
Tor proxy call
Get one Tor MCP call, with a permit token, calls remaining, and the redeem URL. Redeem it at GET /api/v1/tor-call-permit. $0.05 USDC. The permit comes back inline. Includes a signed Ed25519 receipt you can check with the published key.
aizamon.com-$0.05listed
Total Supply API
ERC-20 total supply on Base, raw + formatted with decimals and symbol. Use when an agent needs a token's circulating-supply base for market-cap or dilution math.
workers.dev-$0.003listed
Total Supply Of An ERC20 Or Erc721 Contract API
Total supply of an ERC20 or ERC721 contract — Genesis402 / UnyKorn Operator Network
unykorn.org-$0.003listed
Total cost for multi-endpoint workflow
Total cost for multi-endpoint workflow
railway.app-$0.01listed
Total value locked
Total value locked (USD) for a DeFi protocol (e.g. "aave") or a whole chain (e.g. "Ethereum"). Provide exactly one of `protocol` or `chain`.
openverbs.com-$0.003listed
Totient API
Calculate Euler totient function phi(n) for a given positive integer n.
vercel.app-$0.001listed
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