sort by:defaultA → ZZ → Aapi callsvolume
stableninja.dev
Fetch Google Play Store top grossing games.
$0.01 USDC
api.onhub.ai
Grounded Google Search answers with attributable HTTPS sources.
$0.03 USDC
agenttoll.app
Crypto market sentiment check: the Fear and Greed index with yesterday's value; ?days=7 adds a daily history so you can see whether sentiment is turning
$0.001000 USDC
tanod.dev
pactlint (Tanod) source lookup: verified Solidity source, ABI and compiler settings of a contract (Sourcify) Use when an agent needs the verified source, ABI and compiler settings of a contract at a known address.
$0.005000 USDC
aurelius-node-02-socal.onrender.com
Aurelius Node 02: Real-time SoCal Pacific Gateway ground-truth oracle for cross-referential supply chain AI agents. Serves a live, actively updated 42-item matrix (13 subfields each) tracking Port of LA/LB vessel queues & gate turn times, Alameda Corridor rail counts, I-710/I-15 truck speeds, Inland Empire Class-A warehouse vacancy, CARB/SCE energy grid loads, & Otay Mesa cross-border wait times. Instant $0.05 USDC settlement via Base x402 V2 returning machine-readable JSON.
$0.05 USDC
api.blockscout.com
Access to api/v2/tokens/:address_hash/holders. List addresses holding a specific token sorted by balance
$0.002000 USDC
oyapicks.app
OyaPicks: live prediction-market data across Polymarket and Alpha Arcade, including cross-venue arbitrage gaps where the same outcome is priced differently.
$0.05 USDC
supplier-payment-verifier-production.up.railway.app
Registers an RSA public key (2048-bit or larger, PEM) used to sign payment-decision requests. Keys are immutable per tenant; rotate by registering a new key_id.
$0.005000 USDC
gateway.spraay.app
Pin content to IPFS or Arweave for permanent storage.
$0.01 USDC
agentdata-api.sander-van-aard.workers.dev
File what you want to buy from an agent-facing API and cannot buy today. Optional kind is typically one of coin, country, vies_country, monitor_host, sms_service — free-form values possible. The $0.01 fee is there to keep intents honest, not to sell you anything: it is not a purchase of the capability and no promise that it gets built. Optionally add the price per call you would pay and your expected monthly volume. Free alternative: POST /agent/request.
$0.01 USDC
agentdata-api.sander-van-aard.workers.dev
Google Places (local businesses with rating, address and phone number) for AI agents at $0.010 per call, from the same Serper.dev source as /web/search. Send a query, get back compact JSON: top places with position, title, address, coordinates, rating, rating count, category, phone and website. Tune with num (1-10 results), country and language (2-letter codes). Zero results is a valid, honest answer. Pay per call in USDC on Base, no account, no API key.
$0.01 USDC
x402.agentutility.ai
Scores trade finance and export finance risk, including tenor and collateral. Same calculator as trade-finance-risk-score, exposed under the buyer keyword used in demand searches. Use it as a trade finance risk score API, export finance risk API, or tenor and collateral scoring tool.
$0.01 USDC
ioswarm.io
New vulnerabilities in one place: CISA Known Exploited Vulnerabilities from the last 14 days (due dates, ransomware use), CVEs published in the last 24 hours (CVSS, severity, CWE, vendor/product), and reviewed GitHub advisories (ecosystem, package, vulnerable and patched versions). Rebuilt every hour. $0.01 per call, no account. Free 24h-delayed sample: GET https://ioswarm.io/api/v1/feeds/security/sample.
$0.01 USDC
x402.agentutility.ai
Transcribes any video URL to text with Whisper v3 large. Auto-detects 90+ languages and offers a translate-to-English mode. 60-min / 500MB max. Same backend as video-to-text under a clearer slug. Use it for video transcription, video to audio transcription, or video-to-text. For speaker labels, use the speaker-diarize endpoint.
$0.10 USDC
402.com.tr
What is this Base address? Matches a sourced registry of known protocol, exchange, bridge, locker and burn addresses (each with the docs/deployments/Basescan source it came from), then reads the chain: contract vs EOA (EIP-7702 delegation shown), ERC-4626 vault (asset()), Safe multisig (getThreshold), DEX pool interface (token0/token1). Unmatched addresses are reported as unlabelled, never guessed.
$0.005000 USDC
chainverdict.xyz
Validate an IBAN structurally: country length rules, character set and the ISO 7064 mod-97 check. Deterministic. A structurally valid IBAN is not proof the account exists, is open, or belongs to the party you are paying.
$0.001000 USDC
modelprices.xyz
Cheapest-model query: returns the lowest-cost AI models matching your constraints — min_context (tokens), vision/function_calling/reasoning (true), max_input_per_mtok (USD cap), limit (default 5). Add expected_input/expected_output token counts to rank by blended USD per request instead of input price; exclude_preview=true skips pre-release models. Answers 'what is the cheapest model that can do X?' across 2,000+ models and 70+ providers.
$0.01 USDC
x402.agentutility.ai
Calculates early payment discount APR and factoring economics. Same calculator as invoice-discount-calculator, exposed under likely buyer search terms. Use it as an invoice discount API or early payment discount APR API.
$0.01 USDC
x402.agentutility.ai
Summarizes a YouTube video from its URL or ID: transcript, TLDR, and named entities in one call. Composite: one call runs youtube-transcript + summarize-text + extract-entities. Pulls the YouTube transcript, then summary and named entity extraction (people, orgs, locations, dates) run in parallel. Returns transcript excerpt, summary, entities, and per-component telemetry. Use it as a video digest or closed-caption summarizer.
$0.05 USDC
x402.agentutility.ai
Generates video from a text prompt via fal.ai Bytedance Seedance. Duration, aspect ratio, and resolution are configurable. Returns a hosted MP4 URL plus fal request id and seed. Use it for AI video, Seedance generation, generative video, and cinematic clips from a prompt.
$0.50 USDC
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