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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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2,879 results- Ssolara-x402.onrender.comOther services
Cheap Solara tip for agents — small paid sanity check / discovery plumbing.
Basesolara-x402.onrender.comfrom $0.011 endpoint - Ssolana-wallet-x402Crypto & DeFi
Call this before your agent pays an unfamiliar x402 payTo address or endpoint. Checks public sanctions lists (OFAC SDN crypto addresses), the ScamSniffer scam list, on-chain wallet age, activity and program status on Solana or Base, and optionally the endpoint's unpaid 402 challenge (payTo mismatch, price outliers). Returns verdict ok, caution, do_not_pay or unknown, a 0-100 score, flags with evid
BaseSolanasolana-wallet-intel.falcon-sol.workers.devfrom $0.0034 endpoints - Ssolana-token-check.vercel.appSocial & people
Newest Solana token profiles with mint/freeze authority check, liquidity and quick risk score
SolanaBasesolana-token-check.vercel.appfrom $0.0021 endpoint - Ssocial.scrapemole.workers.devSocial & people
Use to see what programmers on Lobsters are discussing right now: returns up to 25 stories from the hottest or newest page, optionally filtered to one tag, with title, URL, score, comment count, tags, submitter and time.
Basesocial.scrapemole.workers.devfrom $0.0018 endpoints
SmartPerps by AgentGateSocial & peopleSmart-money positioning for one Hyperliquid perp: how the 120 most profitable Hyperliquid accounts (30-day PnL, public leaderboard, rules-based) are positioned right now: traders long vs short, long/short/net notional in USD, bias (strong long / lean long / mixed / lean short / strong short), 1h and 24h net notional flow, snapshot age, cohort coverage. Fail-closed: stale or low-coverage snapshots
Basesmartperps.agentgate.workers.devfrom $0.0031 endpoint- Sslamlink-ai-main-50fbb45.d2.zuplo.devAI & agents
No description yet.
Baseslamlink-ai-main-50fbb45.d2.zuplo.devfrom $0.00621 endpoint - Llink-rel-pingbackSocial & people
Change watch for does site use owl carousel: runs the check, compares it with the result from your previous call for the same domain (kept 90 days) and returns the current answer, changed true/false, the fields that changed with before/after values, and when it was last seen. Schedule it to be alerted when this changes. $0.02 per check.
Basesite.intel.rallylive.cafrom $0.0148 endpoints - GgradeDeveloper tools
Slug generator: url-safe slug from unicode text, latin and Cyrillic transliteration
Basesigtap-outreach-api.sigtap.workers.devfrom $0.000512 endpoints
SignCheck by AgentGateCrypto & DeFiOffline pre-sign check (no RPC, fast): decodes a transaction, EIP-712 typed data (Permit, Permit2, EIP-3009), an EIP-7702 authorization or an x402 402 + payment payload and returns SAFE/CAUTION/DANGER, every risk flag with its reason, decoded args, counterparties, x402 payment-vs-402 match and OFAC SDN screening. Use /v1/check for on-chain facts and simulation.
Basesigncheck.agentgate.workers.devfrom $0.0051 endpoint- Sshopify-spyCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Baseshopify-spy.agentdiet.devfrom Free5 endpoints - Sshopify-spyCrypto & DeFi
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Baseshopify-spy-72343955726.us-central1.run.appfrom Free5 endpoints - Sshopify-intelCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Baseshopify-intel.agentdiet.devfrom Free5 endpoints - Sshopify-intelCrypto & DeFi
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Baseshopify-intel-72343955726.us-central1.run.appfrom Free5 endpoints - Sshop.northheart.appCrypto & DeFi
Busiest x402 services in our directory sample, of one kind (our own keyword grouping) under your price limit, with at least 2 calls per buyer: ?kind=&max_price_usd=&min_payers= (kinds: AI answers and writing, Blockchain data lookups, Web search and page reading, Prices and market data, Other)
Baseshop.northheart.appfrom $0.00514 endpoints
shop.blocklabs.nlCrypto & DeFiPlace a dropshipping order (price quoted per order). Ships to EU member states only. Payer wallet must be deployed (counterfactual smart accounts are not supported).
BaseSolanashop.blocklabs.nlfrom $0.0015 endpoints- Sserver.r1xlabs.comOther services
No description yet.
Baseserver.r1xlabs.comfrom $0.014 endpoints - Sserp-realtime-web-groundingSearch & web
SERP-Extract Real-Time Search & Citation Grounding Node: Extracts live web search rankings, snippets, and grounding citations for autonomous agents.
Baseserp.agentdiet.devfrom Free1 endpoint - Sserp-extractCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Baseserp-extract.agentdiet.devfrom Free5 endpoints - Sserp-extractCrypto & DeFi
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Baseserp-extract-72343955726.us-central1.run.appfrom Free5 endpoints - Ssentinel-agent.devAI & agents
No description yet.
Basesentinel-agent.devfrom $0.0051 endpoint - Ssentinel-agent-wru6.onrender.comAI & agents
No description yet.
Basesentinel-agent-wru6.onrender.comfrom $0.0051 endpoint - Ssemilla1-txcheck.semilla1lab.deno.netOther services
Resumen de una transacción de Base: estado, gas, transferencias USDC
Basesemilla1-txcheck.semilla1lab.deno.netfrom $0.011 endpoint - Ssemagram.ioSocial & people
Profile details and latest posts of named Telegram channels, groups, and bots, read live
BaseSolanasemagram.iofrom $0.012 endpoints - Ssec-edgar-10k-risk-extractorMarkets & finance
SEC-Intel EDGAR 10-K/10-Q Financial & Risk Extractor: Extracts structured financial metrics and risk factors from live SEC EDGAR filings.
Basesec.agentdiet.devfrom Free1 endpoint - Ssec-intelCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basesec-intel.agentdiet.devfrom Free5 endpoints - Ssec-intelCrypto & DeFi
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Basesec-intel-72343955726.us-central1.run.appfrom Free5 endpoints - Ssearch.scrapemole.workers.devImages, audio & video
Use for current events, monitoring a company/person/topic in the press, finding recent coverage before answering, or building news digests. Returns up to 20 articles with title, direct article url (no redirect wrapper), publisher, published time (ISO 8601), snippet and image when available. sort=date for newest first; freshness=hour|day|week|month to limit age; market for regional editions (en-US,
Basesearch.scrapemole.workers.devfrom $0.0013 endpoints - Sscriptdocs-mcp.onrender.comAI & agents
ScriptDocs paid MCP tool call (docs_check_vulnerabilities, docs_get_readme): $0.009 USDC per call via x402 v2 exact on Base.
Basescriptdocs-mcp.onrender.comfrom $0.0091 endpoint - Sscrapemole-api-mainnet.scrapemole.workers.devSearch & web
Use when you need how search interest in a topic changes over time or by region, or which related queries are rising. Returns weekly/daily interest (0-100), per-region interest and top/rising related queries from Google Trends. $0.01 per successful call; errors are not charged.
Basescrapemole-api-mainnet.scrapemole.workers.devfrom $0.0027 endpoints - Sscout-packs-production.up.railway.appDeveloper tools
Email provider identification — mailbox host (Google Workspace, Microsoft 365, Zoho, Proton, etc.) plus gateway detection (Mimecast, Proofpoint, Barracuda) from MX records via DNS-over-HTTPS. One domain per call. Tiger Operations. Use when segmenting prospects by email stack and you need to identify a domain's mailbox provider and security gateway.
Basescout-packs-production.up.railway.appfrom $0.014 endpoints
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.