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Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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DevX VoiceImages, audio & videoSpeech to text for agents: send an audio URL, base64 or raw audio (WAV, MP3, FLAC, OGG, M4A, WebM; up to 20 min / 10 MB) and get the transcript, language, timed segments and WebVTT subtitles. Optional task=translate gives English text. $0.002 USDC per started minute on Base; failed or silent audio is not charged. Whisper large-v3-turbo. By DevX.
AvalancheBasePolygon+2voice.madebydevx.comfrom $0.0014 endpoints- VVendor Safety CheckDeveloper tools
Is this vendor or domain safe? One call runs cert, DNS, email security, ransomware leak-site listing and vendor status checks and returns a verdict (safe, caution, risk, incomplete). $0.04 USDC on Base. Not charged if every check fails or input is invalid.
Basevendor-safety.orioncmd.comfrom $0.041 endpoint - Uuk-charity-verify.iykykblog.workers.devData & research
Verify a UK charity against the Charity Commission for England and Wales register. Look up by registered charity number or name; returns registration status (registered/removed), registration date, charity type, latest reported income and income band, and a summary of charitable objects. Register data published under the Open Government Licence v3.0.
Baseuk-charity-verify.iykykblog.workers.devfrom $0.051 endpoint - DDeepline GTM APISocial & people
Enrich Company — merged 30+ field profile from Apollo, Crustdata, and PeopleDataLabs: revenue, headcount, industry, funding, valuation, tech stack, social profiles, SIC/NAICS codes, HQ address.
Basestable-deepline.devfrom $0.101 endpoint
SpawnXchangeCrypto & DeFiList your AI-generated code for other agents to buy: upload an artifact and list it for a flat fee — no account needed; your wallet is your seller identity.
BasePolygonspawnxchange.comfrom $0.011 endpoint- SSolana DeFi IntelligenceCrypto & DeFi
The real best Solana DEX pools. Same top-pools feed a free API returns, but wash-traded and fake-volume pools are filtered out and the rest ranked by risk-adjusted fee yield (Raydium/Orca/Meteora). Returns clean, decision-ready pools plus an `excluded` list showing exactly which pools were dropped and why. For liquidity, yield and MEV agents that can't trust raw volume numbers.
BaseSolanasoldefi.thomenz.mefrom $0.021 endpoint - Ssignal.keelbase.ioOther services
Complete latest daily Keelbase Signal records and full synthesis.
Basesignal.keelbase.iofrom $0.031 endpoint - SSignal FoundryMarkets & finance
Use for source-backed Item 1A risk-disclosure changes for one issuer. Pass exactly one ticker or CIK; optionally filter by materiality (HIGH, MEDIUM, LOW) and classification. A successful nonempty request returns all matching RELEASE signals from the latest eligible frozen comparison in Signal Foundry, not necessarily the issuer's latest SEC filing. $0.05 USDC per request, not per signal.
Basesignal-foundry.replit.appfrom $0.051 endpoint - Sscotland-charity-verify.iykykblog.workers.devData & research
Verify a Scottish charity against the OSCR Scottish Charity Register. Look up by Scottish charity number (SC...) or name; returns registration status verdict (registered/removed), registered date, ceased date for removed charities, constitutional form, regulatory type, and charitable purposes. Scottish register data published by OSCR under the Open Government Licence v3.0. This is the Scottish reg
Basescotland-charity-verify.iykykblog.workers.devfrom $0.051 endpoint - RRegion FetchImages, audio & video
Retrieve a public HTTPS URL from the US, Germany, Japan, Brazil, or India. Use HTTP mode for lightweight retrieval, or browser mode to render JavaScript pages. For pages with bot protection, set max_tier to L2 for managed unblocking at $0.05 USDC; L0/L1 costs $0.02 USDC. Returns the fetched body and an Ed25519-signed receipt for provenance.
Baseregionfetch.devfrom $0.021 endpoint - RReformed ConnectOther services
Fetch worship service times for one Reformed church by stable UUID. Only the schedule fields already shown on the public share page, plus name, place, timezone, and language. Base USDC, $0.01 per church.
Basereformedconnect.comfrom $0.011 endpoint - Rrdiv-commerce-router-production.up.railway.appAI & agents
R/IV provenance.receipt — Provide a signed evidence-provenance receipt; not proof of truth.
Baserdiv-commerce-router-production.up.railway.appfrom $0.101 endpoint - Pplaybook-advisors.fly.devSocial & people
Alex Hormozi advisor (Offers, pricing, and sales). Send POST with JSON body {"question": string (8+ chars), "context"?: string}; returns JSON {persona, answer, disclaimer, usage}. AI simulation based on publicly available information. This is not Alex Hormozi, is not written, reviewed or endorsed by Alex Hormozi, and does not speak for them. General information only, not financial, legal, tax or m
Baseplaybook-advisors.fly.devfrom $0.101 endpoint - Ppay.u-kiyo.aiAI & agents
Purchase a prepaid GPU block without prior signup. Use for bounded interactive compute; standard x402 or MPP payment and a recovery public key are required.
Basepay.u-kiyo.aifrom $5.002 endpoints - Oopen-research-agent.comAI & agents
AI-generated standard research report (Open Research Agent)
Baseopen-research-agent.comfrom $0.101 endpoint - Oomniac.0000402.xyzCrypto & DeFi
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 supp
Baseomniac.0000402.xyzfrom $0.011 endpoint - Nnz-charity-verify.iykykblog.workers.devData & research
Verify a New Zealand charity against the Charities Services Charities Register. Look up by charity registration number (CC…) or name; returns registration status verdict (registered/deregistered), registration date, deregistration date and reason where applicable, main sector and activity, and the charity's stated charitable purpose. Register open data licensed CC BY 3.0 NZ.
Basenz-charity-verify.iykykblog.workers.devfrom $0.051 endpoint - Nnerfradar.comOther services
Nerf Radar: a structured summary of one official game patch (World of Warcraft: Forever (beta), World of Warcraft (Retail), Counter-Strike 2, League of Legends, VALORANT, Deadlock, Overwatch, Dota 2, Marvel Rivals, Apex Legends, Fortnite, Rainbow Six Siege and WARDOGS (early access)), with a TL;DR, who it matters to, and every change labeled buff, nerf, adjust, new, removed or fix, with before and
Basenerfradar.comfrom $0.011 endpoint - Mmargin-api-production-d413.up.railway.appOther services
Calculate required margin for collateral
Basemargin-api-production-d413.up.railway.appfrom $0.012 endpoints - AAddress ValidatorAI & agents
Validate and standardize a delivery address: parsing, provider verification (US-optimized), geocoding and a deliverability score, as JSON. 0.02 USDC per call on Base. Use when an agent must verify a US or French shipping address before checkout, label creation, or customer storage.
Basekder-ai.comfrom $0.021 endpoint - IItalianCompanyCheckSearch & web
Italian company registry lookup, verification and KYB pre-check using official/public sources: Registro Imprese / InfoCamere HVD, VIES, GLEIF, OpenCoesione and AGCM where applicable. Search by Codice Fiscale, Partita IVA or LEI. Returns normalized identity, status, legal form, address, NACE/ATECO, source timestamps and VAT verification. For supplier verification, procurement, due diligence and com
Baseitalian-company-check-fdsbh7p2bq-oc.a.run.appfrom $0.021 endpoint - AAgent Action Safety Quick GateAI & agents
AI agent action safety: one-cent deterministic preflight for every consequential agent command. Returns risk, matched rule ids, and an exact machine-readable escalation call: full DestructGuard evidence for medium risk or the complete Action Safety workflow for high and critical risk.
Basehermesplant.comfrom $0.011 endpoint - Ggate.brix-bee.workers.devOther services
NYISO real-time zonal LMP via EnergyFeed
Basegate.brix-bee.workers.devfrom $0.021 endpoint
FiledgeImages, audio & videoParse SEC filings (10-Q, 10-K, 8-K, Form 4) and earnings transcripts into structured JSON. Supports EDGAR by ticker or direct URL.
Basefiledge.iofrom $0.051 endpoint- Eextract.genexxis.comSearch & web
Fetches a public web page URL and returns its main article content as clean Markdown with title, byline and excerpt; strips navigation, ads and scripts. Useful for RAG ingestion and LLM context.
Baseextract.genexxis.comfrom $0.0021 endpoint - Eexternal-fuse.onrender.comOther services
External Fuse
Baseexternal-fuse.onrender.comfrom $0.0011 endpoint - Eendpoint-intelligence-edge.ldbertoldi.workers.devOther services
Perform fresh TCP service identification against a public IP address or hostname and port. Returns protocol, detected service, software product, version and CPE information where observable.
Baseendpoint-intelligence-edge.ldbertoldi.workers.devfrom $0.021 endpoint - PPrice Watcher APIData & research
Real-time product price lookup from a public e-commerce product URL. Use for product price checks, price monitoring, price comparison, shopping agents, ecommerce research, retail workflows, deal finding, and target-price tracking.
Basee-commerce-price-monitoring-production.up.railway.appfrom $0.021 endpoint - Ddecipherranker.comCrypto & DeFi
Get a detailed merchant deep-dive by wallet address. Returns volume stats, buyer diversity, trend signals, and recommendations.
Basedecipherranker.comfrom $0.031 endpoint - Ccrypto-tx-categorizer-production.up.railway.appCrypto & DeFi
Categorize crypto/bank transactions with optional invoice matching and label interpretation
Basecrypto-tx-categorizer-production.up.railway.appfrom $0.101 endpoint
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.