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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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555 results- Ssemagram.ioSocial & people
Profile details and latest posts of named Telegram channels, groups, and bots, read live
BaseSolanasemagram.iofrom $0.012 endpoints - SScorpTech ReconCrypto & DeFi
Live gas tracker across Ethereum, Base, Arbitrum, OP Mainnet, Polygon and BNB Chain: head block age, base fee, 10th/50th/90th percentile priority fees from eth_feeHistory, suggested maxFeePerGas tiers, and estimated cost of a native transfer and an ERC-20 transfer. Read-only.
Solanascorptech.it.comfrom $0.0051 endpoint - SScorpTech UtilsMarkets & finance
Official ECB euro reference FX rates (~30 currencies, daily) rebased to any supported base currency.
Solanascorptech-utils.agent.deno.netfrom $0.0011 endpoint - SScorpTech ReconDeveloper tools
All common DNS records for a domain via Cloudflare DNS-over-HTTPS: A, AAAA, NS, MX, TXT, CAA.
Solanascorptech-recon.agent.deno.netfrom $0.0011 endpoint - SScanPayCrypto & DeFi
Code scan / security scan — inspect AI-generated Python/JS/TS source code BEFORE it runs. 45 deterministic AST rules return structured findings (rule_id, severity, line ranges, remediation) in ~100 ms with no code execution, no LLM and no data retention. Use it in agent loops that generate and execute code.
BaseSolanascanpay-edge.alextaghiashvili.workers.devfrom $0.000155 endpoints - Ssafeconduct.vercel.appSearch & web
Fetches web pages that return 403 Forbidden or HTTP 402 Payment Required. Handles Cloudflare bot protection and TollBit paywalls. Returns page content with receipt.
Solanasafeconduct.vercel.appfrom $0.0012 endpoints - Rrugshield-402.onrender.comCrypto & DeFi
Tracks institutional and high-win-rate whale wallet net inflows and outflows across Solana SPL and Base ERC-20 tokens.
BaseSolanarugshield-402.onrender.comfrom $0.0112 endpoints - Rrentcheck.themonexus.comOther services
RentCheck — Fair-rent band + levy/utilities benchmark + fraud flags for one address/suburb. Params: address= (optional) and suburb= (required). Deterministic output from the honest seed benchmark DB.
Solanarentcheck.themonexus.comfrom $0.011 endpoint - Rrentcast.x402.paysponge.comOther services
Service: RentCast (https://rentcast.x402.paysponge.com/properties/test)
SolanaBaserentcast.x402.paysponge.comfrom $0.018 endpoints - Rrelayzero.aiAI & agents
Binary agent trust verification
Solanarelayzero.aifrom $0.0012 endpoints - Rrelaynetwork.aiAI & agents
No description yet.
Solanarelaynetwork.aifrom $0.0014 endpoints - Rregradar.themonexus.comData & research
RegRadar — Regulatory impact coding for one bill/regulation URL or text. Params: bill_url= (http/https) or text=. Deterministic keyword-based taxonomy output: jurisdiction, affected_entities, obligations, deadlines, penalties, risk_score, per_industry_flags, citations. NOT legal advice.
Solanaregradar.themonexus.comfrom $0.0022 endpoints - Rratchetx.xyzOther services
Buy a single-use RatchetX ranked-arena entry claim. The full toll goes directly to the current daily champion; RatchetX takes 0%.
Solanaratchetx.xyzfrom $0.011 endpoint - QtyCrypto & DeFi
Canonical audit JSON plus sha256 of a previous Qty result. Includes input, definition ids, formulas, and a timestamp. The hash ignores the timestamp so the same payload always hashes the same. No chain write. Exact USDC $0.001 on eip155:8453 and solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp.
BaseSolanaqty.vercel.appfrom $0.0011 endpoint - Ppulse402-oracle.ak10082247.workers.devCrypto & DeFi
High-frequency Base DEX oracle delivering real-time pool reserve deltas, 60-second netflow velocity, buy/sell tax status, and exact slippage quotes for $100, $1,000, and $10,000 trade sizes across Aerodrome and Uniswap v3.
Solanapulse402-oracle.ak10082247.workers.devfrom $0.0014 endpoints - Ppricing-state-api.replit.appCrypto & DeFi
$0.01 USDC required (x402 / Base) Returns the history of detected pricing changes: what changed, plan-level detail, and when each change was detected. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.
BaseSolanapricing-state-api.replit.appfrom $0.0172 endpoints - Ppresign-guardCrypto & DeFi
Token verdict (green/orange/red, grade SAFE/CAUTION/RISKY/AVOID, reason codes, one-line summary, market data) for a Solana or EVM token: mint/freeze authority, honeypot, tax, LP lock, liquidity, age, holder concentration
Solanapresign-guard.onrender.comfrom $0.011 endpoint - Bbtc-txCrypto & DeFi
Recommended Bitcoin transaction fee-rates in sat per vByte across five confirmation horizons (fastest, half hour, hour, economy, minimum) plus a live mempool congestion snapshot with an estimated block backlog. Informational, not advice.
BaseSolanapayai.agentstools.devfrom $0.001362 endpoints - Ggreen alienCrypto & DeFi
green alien
Solanapay-green-alien.vercel.appfrom $0.011 endpoint - Oorbit Web ToolsSearch & web
URL health check, $0.001 USDC per call: Is a URL up? Live GET from Cloudflare's edge: final HTTP status, every redirect hop with status and latency, total ms, content-type/length, server, TLS, and if it answers 402 the decoded x402 payment terms (version, network, amount, payTo, bazaar). Unreachable host is still a delivered verdict (up:false). No params = runs the example input.
Solanaorbit-web.orbit-builder.workers.devfrom $0.0016 endpoints - Oorbit Geo & TimeData & research
Geocode a place or address, $0.001 USDC per call: Forward geocoding from OpenStreetMap (Nominatim): turn a place name or address into up to 5 matches with lat/lon, full display name, type/class, importance, bounding box, and structured address (road, city, state, postcode, country, country_code). Attribution © OpenStreetMap contributors (ODbL). No match returns 404 (not charged). No params = runs
SolanaBaseorbit-geo.orbit-builder.workers.devfrom $0.0016 endpoints - Oorbit Econ DataCrypto & DeFi
Currency conversion (ECB), $0.001 USDC per call: Convert an amount between currencies at the latest (or a historical date's) European Central Bank reference rate: amount, from, one or more targets → converted amounts, rate used, inverse rate and rate date. ~30 fiat currencies; no crypto. No params = runs the example input.
SolanaBaseorbit-econ.orbit-builder.workers.devfrom $0.0015 endpoints - Oorbit Chain ReadsCrypto & DeFi
EVM gas fees, $0.001 USDC per call: Live EIP-1559 gas for Base, Ethereum, Arbitrum, Optimism, Polygon (or all): next base fee, gas price, slow/standard/fast max fee + priority fee in gwei (median of last 20 blocks' 10/50/90th percentile tips), block utilisation, cost of a native transfer. Read from public RPC nodes at call time. No params = runs the example input.
Solanaorbit-chain.orbit-builder.workers.devfrom $0.0015 endpoints - Nnuza.ioOther services
No description yet.
Solananuza.iofrom $0.00521 endpoint - Nnotary-solana.forgemesh.ioCrypto & DeFi
No description yet.
Solananotary-solana.forgemesh.iofrom $0.0012 endpoints - Nnanoapi.orgImages, audio & video
Compress images to reduce file size with configurable quality. A photo compressed to quality 30 is typically 90-95% smaller with acceptable visual quality. Useful for reducing storage costs, optimizing web page load times, preparing image uploads, and bandwidth reduction for mobile users. Accepts PNG, JPEG, WebP, AVIF. Returns JPEG.
Solanananoapi.orgfrom $0.013 endpoints - Mmpp.hyreagent.funCrypto & DeFi
Full AI verdict on a Solana token combining holders, snipers, dev history, bonding curve, freeze/mint authority — single comprehensive risk score. Sources: Solana RPC + PumpPortal.
SolanaBasempp.hyreagent.funfrom $0.01180 endpoints - MMOSN Token SafetyCrypto & DeFi
Solana token rug/safety check: mint & freeze authority, dangerous Token-2022 settings, real-wallet holder concentration (pools excluded), sell-route round-trip test, live buy/sell flow. Verdict SAFE/CAUTION/DANGER with reasons.
Solanamosn-api.mosn-3r41y.workers.devfrom $0.0053 endpoints - Mmind-maker-inference-dealer.max270756.chatgpt.siteAI & agents
Buy a locked-price AI inference completion using one GET URL that ClawPump can inspect and replay after x402 payment.
Solanamind-maker-inference-dealer.max270756.chatgpt.sitefrom $0.00121 endpoint - Mmicroscrape-production.up.railway.appAI & agents
MicroScrape: webpage-to-Markdown extraction for AI agents (via MCP)
Solanamicroscrape-production.up.railway.appfrom $0.0051 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.