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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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AI & agents
364 results- DDomainCheckAI & agents
Domain trust report for AI agents: is this domain real, how old is it, who registered it, and is its email locked down? DNS (A/AAAA/NS/MX/CAA), DNSSEC, SPF, DMARC, DKIM (common selectors), MTA-STS, TLS-RPT, BIMI, RDAP registration date + registrar + status, parking and disposable detection, risk flags, 0-100 score and verdict. Public DNS + RDAP, no data stored.
Basedomaincheck.agentgate.workers.devfrom $0.0012 endpoints - Ddev.emblemvault.aiAI & agents
No description yet.
Solanadev.emblemvault.aifrom $0.00121 endpoint - Ddelx.aiAI & agents
DNS lookup API for agents at $0.01 USDC. Call when you need A/AAAA/CNAME/MX/TXT/NS for domain routing, email delivery, or infra checks without running a recursive resolver. Returns structured records via x402—no API key, no subscription.
Basedelx.aifrom $0.012 endpoints - Ccracked.aiAI & agents
open-meteo/forecast via Cracked, the tool router for agents. One POST /v1/run executes any of 68,000+ tools: {"capability","input"} for a smart run or {"provider","endpoint","input"} for a direct run. Discover free at POST /v1/discover, read schemas at POST /v1/inspect. Quote = provider price + platform fee, never below $0.01; failed runs are never settled.
Basecracked.aifrom $0.011 endpoint - Ccouncilof.aiAI & agents
A signed card-v0 commission receipt for one named subject, plus every already-signed measurement card on file for it. Payment never mints a MEASURED cell.
Basecouncilof.aifrom Free7 endpoints - Ccodenut.aiAI & agents
CodeNut Credit x402 Offer - $0.01 to get 100x worth of CodeNut credits!
Basecodenut.aifrom $0.012 endpoints - Ccloudworldmodel.aiAI & agents
Evaluate equivalent deployments across AWS, Azure, GCP, OCI, and DigitalOcean.
BaseSolanacloudworldmodel.aifrom $0.001311 endpoints - Cclawpay.aiAI & agents
Translation Skill for Agent Improvement
Baseclawpay.aifrom $0.0110 endpoints - Ccitable.runAI & agents
The observed AI prompts a domain is already cited for, with the answer snippet and the cited URL.
Solanacitable.runfrom $0.00513 endpoints - Ccc-research-desk Printable PDFAI & agents
Markdown to a clean, print-ready PDF (US Letter or A4): one-pagers, checklists with tick boxes, cheat sheets, planner pages. Deterministic, no AI rewriting, up to 4 pages / 12k chars. Returns application/pdf.
Basecc-printable-pdf.cc-agentdesk.workers.devfrom $0.011 endpoint - Ccapminal.aiAI & agents
No description yet.
Basecapminal.aifrom $0.0012 endpoints - Ccapi2-agent-commerce.vandurmedries.workers.devAI & agents
Probe one public endpoint and diagnose whether agents can discover and parse its unpaid x402 challenge.
Basecapi2-agent-commerce.vandurmedries.workers.devfrom $0.0081 endpoint - canonicalhashAI & agents
Batch canonicalize up to 1000 JSON payloads in one call — one signature, one payment, one attestation. Same RFC 8785 canonicalization as /v1/canonicalize. Use when an agent needs to fingerprint a dataset, dedup a batch of records, or hash many inputs in a single round-trip. $0.01 flat per call (about $0.00001 per item). Free verification at POST /v1/verify.
Basecanonicalhash-production.up.railway.appfrom $0.0014 endpoints - BBusiness Day CalendarsAI & agents
Whether a date is a business day on one or more settlement calendars (NYSE, Fedwire/FedACH, TARGET2, UK), which holiday closes it, NYSE early closes, and the previous/next business day. Deterministic, no AI.
Basebusiness-days.quietworklabs.workers.devfrom $0.0012 endpoints - Bbuild-4c941cab041172e9439ece2f.emblem.buildAI & agents
Agent builds AND HOSTS a complete single-file landing page from your spec and returns the live URL. Pay-per-call in USDC on Base.
Basebuild-4c941cab041172e9439ece2f.emblem.buildfrom $0.00112 endpoints - Bbounty-due-diligence.vercel.appAI & agents
Pre-flight due diligence for GitHub bounty issues. Detect competing PRs, stale issues, maintainer inactivity, saturation and payout-risk signals before an autonomous coding agent spends compute on implementation.
Basebounty-due-diligence.vercel.appfrom $0.011 endpoint - Bbotcheck.themonexus.comAI & agents
BotCheck — Per-request traffic-integrity classification. POST JSON {headers:{...}, signals:{...}} -> deterministic {verdict:human|agent|bot|unknown, confidence:0-100, signals:[{name,value,weight,reason}], classification_version:"1.0"}.
Solanabotcheck.themonexus.comfrom $0.0021 endpoint - Bbazaaro-agent.vercel.appAI & agents
No description yet.
Basebazaaro-agent.vercel.appfrom $0.0012 endpoints - BBatcave Agent ServicesAI & agents
Run supplied Python files in a disposable isolated environment and return execution evidence and requested artifacts. Use when you need to execute untrusted Python code, run tests, reproduce a failure, or collect stdout/stderr and generated artifacts without giving the code network, GPU, or host access.
SolanaBasebatcave-x402-gateway.darriel9.workers.devfrom $0.0032 endpoints - Automaton Paid APIAI & agents
Summarize supplied text faithfully in at most 100 words and return JSON. Use when an agent needs concise compression of a document, article, log, or message of 1-2,000 characters.
Baseautomaton-paid.sharkquant.aifrom $0.0012 endpoints - Aaura.adex.networkAI & agents
Fetch portfolio balances and LLM-generated strategies
Baseaura.adex.networkfrom $0.0014 endpoints - AassayAI & agents
Assay Live Endpoint Security & Schema Auditor: Audits live A2A, MCP, and x402 endpoints for schema conformance, latency, and payment integrity.
Baseassay.agentdiet.devfrom Free2 endpoints - AassayAI & agents
Assay A2A & MCP Pre-Flight Security Audit & TDQS Certification ($0.005 Base USDC)
Baseassay-207908449630.us-central1.run.appfrom Free1 endpoint - AArgonautWorks Schedule FitAI & agents
Find a DST-aware meeting window inside shared local business hours for 2 to 8 IANA time zones.
Baseargonaut-schedule-fit.vercel.appfrom $0.0011 endpoint - AArgonautWorks Bounty SignalAI & agents
Canonical GitHub bounty viability check for agents: issue state, repo trust, payout evidence, age, claims and competing PRs. Prevents wasted coding on stale or fake rewards.
Baseargonaut-bounty-signal.vercel.appfrom $0.011 endpoint - Aapp.ox212.comAI & agents
OX212 risk check: the engine's behavioural risk reading of the trades you send (no AI).
Baseapp.ox212.comfrom $0.011 endpoint - VVoipStoreAI & agents
Poll one order status; when the SMS has arrived the response carries sms_code and sms_text. Poll until status is received/completed/expired. Automated clients accept the Agent Access Addendum: https://voipstore.xyz/terms/agents
Baseapi.voipstore.xyzfrom $0.0012 endpoints - Aapi.signalis.devAI & agents
Paid ($0.01 USDC via x402). Active AI-business narratives with lifecycle stage, driving sources, and momentum. Proxied from the Pulse service. Compute-first / settle-after — you are never charged when Pulse is unavailable or returns an error.
Baseapi.signalis.devfrom $0.012 endpoints - Aapi.redqueen-serving.cloudAI & agents
DeepSeek V4 Flash: fast general chat, tools, reasoning and JSON output.
Baseapi.redqueen-serving.cloudfrom $0.011 endpoint - MMantisMeshAI & agents
checkpoint.save: Save portable execution state for autonomous agents when a task may outlive the current process, model session, container, or machine. Durable checkpoints support cross-session recovery and cross-provider state portability; companion handoff and lock capabilities support delegation and coordination between autonomous agents.
Solanaapi.mantismesh.comfrom $0.011 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.