Explore APIs
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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4,150 results
AIMarketAI & agentsHISTOR pre-flight for an MCP server: its signed record in the HISTOR transparency log — when the tool set was first seen, whether it changed, what the pattern scan found. Never contacts the server asked about.
Basemodelmarket.devfrom $0.0018 endpoints
PubrioSocial & peopleReturns the stored company record by domain, LinkedIn URL or Pubrio id: firmographics, locations, industry, technologies, social profiles and identifiers, including the domain_search_id other endpoints take. Each call is 1 credit.
Baseagents.pubrio.comfrom $0.0126 endpoints- Gglim.shSocial & people
Search Reddit posts
SolanaBaseEVM chain 143surf.cascade.fyifrom $0.0019 endpoints
OceanAltCrypto & DeFiSanctions screening, anti-money laundering (AML) screening and payee screening (KYT) before an AI agent pays: OFAC and other sanctions lists, mixers, scam and hack lists, on-chain risk. Returns a crypto compliance decision (allow / review / decline) with verifiable evidence and a signed receipt. Prepaid credits are cheaper: see POST /api/x402/credits.
BaseX LayerSolanaoceanalt.comfrom $0.0025 endpoints- AAgent UtilitiesAI & agents
Paste-ready bid draft (0.01 USDC cheapest). Free radar first: GET /v0/sample-radar then POST {brief}.
Basex402.devvizion.comfrom $0.015 endpoints - BBusker EmbeddingsImages, audio & video
Generate sentence embeddings (all-MiniLM-L6-v2, 384-dim, mean-pooled + L2-normalized) for up to 96 texts per call. Drop-in compatible with any all-MiniLM-L6-v2 index. Pairs with /chunk for a complete RAG pipeline.
Baseworkbot1.oddsys.orgfrom $0.00114 endpoints - Aapi.predictionmarketdata.ioData & research
Aggregated prediction-market statistics by sector.
Baseapi.predictionmarketdata.iofrom $0.0018 endpoints - Ppulse-api-production-7aae.up.railway.appCrypto & DeFi
Global Pro adds independent higher-timeframe context, SMA family, regression channel, anchored VWAP, Fibonacci, confirmed pivots, RSI and ATR evidence to the same 520-candle chart and aligned Spot plan. Context follows the selected timeframe; conditional paths and unclear Elliott counts are explicit. Free full-report recovery. Market or Limit orders require separate wallet review and signing.
ArbitrumBasepulse-api-production-7aae.up.railway.appfrom $0.206 endpoints - LLocus x402 ServicesOther services
Locus public pay-per-use API
Baseanthropic.x402.paywithlocus.comfrom $0.231 endpoint - HHALOWERK creatorwerkImages, audio & video
Requires shares totaling exactly 10,000 basis points, floors each proportional minor-unit allocation, and distributes leftover units by descending fractional remainder with a stable name tie-break. It performs arithmetic only and does not transfer funds, interpret contracts, withhold tax or resolve rights ownership.
Basecreator.halowerk.comfrom $0.00115 endpoints - Ppennypress.orgCrypto & DeFi
Witness the SHA-256 fingerprint of a literary work: submit a title, content hash, and optional pen name; receive a tamper-evident, hash-chained receipt. Timestamping, not endorsement. We never see the work itself.
Basepennypress.orgfrom $0.0130 endpoints - Xx4o2 pump.fun DataImages, audio & video
The ranked coin feed pump.fun's home page loads: each coin's mint, name, image, market cap, protocol (pump bonding curve or AMM), creator, creation time and activity figures. A broader, slower-moving list than the trending board. Use for market-wide scans.
BaseSolanapump.x4o2.comfrom $0.00113 endpoints - RRSoft BankMarkets & finance
Live USDC lending rates of RSoft Bank, a real lender for AI agents on Base mainnet. Call it before requesting a loan or when comparing the cost of agent credit: returns the annual interest rate per credit tier (AAA 5% to CCC 35%), the loan size range (5-25 USDC with a human sponsor, 2 USDC flat without one), the maximum term (90 days), network and last update. Cheapest way to learn what borrowing
Base7mavs5vu7ggbhtxvbavdgs26qa0cbawg.lambda-url.us-east-1.on.awsfrom $0.0017 endpoints - SStableStudioCrypto & DeFi
Get a client token for direct upload to Vercel Blob
BaseSolanastablestudio.devfrom $0.011 endpoint - AAgent Rest StopCrypto & DeFi
Crypto USD price. Send a symbol such as ETH or BTC.
Baseagent-gas-station.agent-gas-station.workers.devfrom $0.00254 endpoints - PParseAPIImages, audio & video
Recall tenant memory
Baseparseapi.infofrom $0.0025 endpoints - AAvasis Agent PlatformCrypto & DeFi
Base (chain 8453) gas tip for agents that send transactions: latest block number and age, base fee, eth_gasPrice, eth_maxPriorityFeePerGas and a suggested maxFeePerGas (2x base fee + priority), from one batched RPC call every 2 s. Long-poll with ?since=<seq>&wait=25. Prepaid meter price $0.0002/call (packs at /v1/meter); SSE at /v1/stream/tips.
Baseagents.avasis.aifrom $0.00226 endpoints - Aapi.nonsynthetic.netOther services
safe arithmetic eval (+ - * / % ^ parens)
BaseSolanaapi.nonsynthetic.netfrom $0.0026 endpoints - Mmidax402.comOther services
MIDAX402: Evidence+ x402 intelligence with expanded corpus retrieval, local risk brief, contradiction scan and concrete action plan. We do not grade our own answer: the verdict is answered or needs_more_data (grounded in the corpus or not); evidence_grade (thin/moderate/broad) grades that evidence, auditable via retrieved_corpus_ids. confidence_score is DEPRECATED, still served as a band projectio
Basealgorandalgorand+1midax402.comfrom $0.071 endpoint - WWithZeroImages, audio & video
Generate images from a text prompt with xAI's Grok Imagine quality tier. Returns hosted image URLs.
Baseagents.withzero.xyzfrom $0.0130 endpoints - AApify APIImages, audio & video
Start the "Instagram Scraper" Apify actor (apify/instagram-scraper). Scrape and download Instagram posts, profiles, places, hashtags, photos, and comments. Get data from Instagram using one or more Instagram URLs or search queri…
Basestableapify.devfrom $0.0110 endpoints - Xx402-service-production-e242.up.railway.appDeveloper tools
Email and domain trust check. Give an email address or a domain, get one risk level (low, medium, high) with plain-language flags and the facts behind them: domain age, registrar, expiry and hold status (RDAP); MX, SPF and DMARC policy; the live TLS certificate; and for emails, syntax, disposable-provider and role-address checks. Judges the domain: does not verify that the mailbox exists and does
SolanaBasex402-service-production-e242.up.railway.appfrom $0.00510 endpoints - Gglim.shSocial & people
Search users by keyword
SolanaBaseEVM chain 143twitter.surf.cascade.fyifrom $0.0016 endpoints - Xx402 FunSearch & web
A fortune cookie: one short, upbeat fortune (80 written for this service) and six lucky numbers from 1 to 49. Give a seed for a repeatable draw.
Basefun.kagurazaka.devfrom $0.0017 endpoints - Xx402 toolsCrypto & DeFi
Generate QR codes for text, URLs, or Web3 payment requests (EIP-681 / Solana Pay). Supports PNG, SVG, JSON output with dataUri, custom colors, and batching. Flat $0.002 per call.
Basex402-tools-production-2755.up.railway.appfrom $0.00213 endpoints
ForwardLaneSearch & webSearch functions or classes by meaning and by keyword. ``mode=bm25`` ranks by lexical match, ``mode=vector`` by embedding similarity to the query text, and ``mode=hybrid`` (default) fuses both rankings with reciprocal rank fusion. Returns up to ``top_k`` matches with their repository, file path and score; the ``domain``, ``ontology_concept_uri``, ``confidence_min`` and ``has_tests`` filters apply
Basezeroclickagents.forwardlane.comfrom $0.0230 endpoints
WebLensImages, audio & videoExtract text and metadata from PDF documents. Supports page-specific extraction and returns structured content.
SolanaBaseapi.weblens.devfrom $0.000536 endpoints
Affiliate.comSearch & webSearch more than one billion affiliate products refreshed daily. Pass a plain search string or an array of field filters, or use the structured query rule builder for compound conditions. Results carry pricing, availability, commission URLs, and network and merchant attribution, with support for field selection, pagination, sorting, facets, and per network affiliate link configuration.
Basezeroclick.affiliate.comfrom $0.0213 endpoints- Iintel.halowerk.comOther services
Ein bezahlter Aufruf liefert alle nicht abgelaufenen Einträge des Zahlers als JSON-Lines. Die verifizierte Zahleradresse ist der Eigentümer; Ergebnisse und gespeicherte Daten sind strikt auf diesen Zahler begrenzt.
Baseintel.halowerk.comfrom $0.0016 endpoints - Xx402 Dev ToolsCrypto & DeFi
Asks the public x402 facilitators (CDP, x402.org, PayAI, x402.rs, Dexter, Daydreams, OpenX402, Mogami, Heurist) for GET /supported right now: whether each answers, its latency, and the x402 versions, schemes and networks it settles. Pass network to keep only those that support it.
Basedev.kagurazaka.devfrom $0.0027 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.