sort by:defaultA → ZZ → Aapi callsvolume
quantum.halowerk.com
Uses lattice dimension, log2 determinant and an assumed root-Hermite factor to estimate Gaussian-heuristic and reduced-basis vector lengths in log2 units. It does not execute lattice reduction, validate an LWE instance or provide a cryptographic security level.
$0.003000 USDC
api.kadec0.xyz
Bulk WHOIS lookup. Registrar, dates, and nameservers for up to 10 domains in a single batch call.
$0.05 USDC
gaming.halowerk.com
Selects and fills a small declared dialogue template using a caller-supplied seed, NPC name, intent, tone, and facts. It produces a reproducible writing prompt, not model-generated prose, lore verification, localization, or a complete conversation system.
$0.003000 USDC
signalpulse.theaslangroupllc.com
Crypto market tick — BTC, ETH, SOL live price + 24h change, Fear & Greed index, and a deterministic regime verdict (RISK_ON / DRIFT_UP / CHOP / DRIFT_DOWN / RISK_OFF) in ONE $0.05 call. Built for agent loops that need a cheap market pulse every cycle; escalate to /api/scan/crypto ($2) for the institutional deep scan with technicals, derivatives and a directional call. 60s freshness, no LLM in the path.
$0.05 USDC
api.kadec0.xyz
Email validation and email list cleaning. Checks each email address for RFC syntax, a live MX record lookup returning the real mail hosts, disposable-domain detection, role-account flags (info@, sales@, noreply@), and a free-provider flag, rolled into a per-address ok/risky/invalid verdict with reasons. Batch up to 25 email addresses per call. Domain-level DNS only, no SMTP mailbox probe. Keyless.
$0.03 USDC
arbipulse.theaslangroupllc.com
Stablecoin parallel-rate premium — how far the street price of a digital dollar (per-venue USDT quotes) diverges from the official FX rate in capital-controlled economies: venue table, median street rate, premium %, signal read. ARS, VES, BRL, COP, PEN, MXN, CLP, BOB; ARS includes the blue/MEP/CCL board. Live quotes, no LLM.
$0.02 USDC
bazaar.fronesislabs.com
Low-latency pre-action screening for routine agent responses and tool-call decisions.
$0.01 USDC
rubric-protocol.com
Attested LLM inference: gpt-4o-mini chat completion plus a post-quantum signed, Hedera-anchored attestation binding the prompt hash, response hash, exact model version, and timestamp. Evidence of which model said what, when — for agents whose decisions may be questioned later.
$0.01 USDC
api.brazilayer.com
The whole Brazilian market snapshot in ONE call, a third cheaper than one by one: official USD/BRL rate with the live crypto premium, macro indicators (Selic, IPCA, activity) and the latest headlines with sentiment, refreshed every 15 minutes. Same JSON as the single endpoints, keyed by name; 503 and no charge if fewer than half respond. Free sample, no payment: https://api.brazilayer.com/v1/mercado/amostra
$0.004000 USDC
agents.dyoeway.org
Extract public business emails, phone numbers, and social profiles from a website. Batch-safe contact enrichment for autonomous agents. Input: website URL. Returns structured JSON.
$0.01 USDC
api.onesource.io
The Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Days of Issuance: how the current license price compares to the pace of new-Branch issuance.
$0.02 USDC
agent-data-api.agentdata.workers.dev
Search open U.S. federal contract opportunities (solicitations, presolicitations, sources sought) from a copy synced from SAM.gov several times a day. Use when you need current government RFPs or bids matching a title keyword, 6-digit NAICS code, small-business set-aside or place-of-performance state. Returns deduplicated JSON: notice ID, title, agency, NAICS, set-aside, posted date, response deadline, state, SAM.gov link and lastSynced. Defaults: last 7 days, 25 results (max 100).
$0.01 USDC
hyperliquid.use.x402atlas.com
Predicted next funding rates per asset across venues (Hyperliquid vs CEX perps) — cross-venue carry, de-positioned from Hyperliquid's nested arrays.
$0.01 USDC
api.m2msentinel.com
How deep is liquidity for tracked Base tokens and how much is actually trading, with the source named, for sizing an order or declining one.
$0.01 USDC
ozmium.org
EXPERIMENTAL / WIP- an early, unproven BUY/SELL signal feed (no established out-of-sample edge, not advice); corroborate with news + cross-asset context before acting. Full details: GET /v1.
$0.001000 USDC
capitol.lonestaroracle.xyz
US congressional (Senate+House) stock trades; ?symbol= for a ticker
$0.05 USDC
api.anchor-x402.com
Structured decode of any mainnet tx (base | ethereum | solana) — $0.001 USDC
$0.001000 USDC
rpc.nodeflare.app
Multi-chain balances API: native + ERC-20 token balances for one address across up to 17 EVM chains (Ethereum, Base, Arbitrum, Optimism, BNB, and young chains like Robinhood, Ink that Alchemy/Moralis omit) in a single request. Pay per call in USDC, no account or API key - built for AI agents. Priced about $0.0003 per chain.
$0.002000 USDC
api.kadec0.xyz
Smart, auto-routed research paper search. A broad field term is grounded against the OpenAlex taxonomy and returned as a coherent field cluster; a natural-language question runs hybrid retrieval over OpenAlex and Semantic Scholar with reciprocal rank fusion and a SPECTER2 embedding rerank. The response exposes the routing decision, and each paper carries title, authors, year, venue, citation count, DOI, and a relevance score. Keyless.
$0.02 USDC
earnings.lonestaroracle.xyz
Earnings calendar — upcoming report dates, EPS and revenue estimates for up to 30 tickers
$0.03 USDC
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