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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2,879 results- VVektorwerkAI & agents
Embeds up to 32 texts on the local Ollama runtime. Returns explicit model and dimensions; no paid third-party API is called.
Basevektor.netzhandwerker.defrom $0.0011 endpoint - IInspect SSL/TLS certificateData & research
Open an SSL/TLS connection to a host and report its certificate — issuer, subject, validity window, days remaining, SANs, fingerprint and trust status.
Basetls.openverbs.comfrom $0.0061 endpoint - TTimezone IntelligenceOther services
Timezone intelligence — offsets, DST, transitions
Basetime.24klabs.aifrom $0.0011 endpoint - TThe WildCrypto & DeFi
A numbered material, Cairn Crab or Pocket Wild pixel creature from The Wild's field edition, $0.01 USDC on Base: 1000 editions per material or crab, 128 per pixel creature. A public site record with a receipt, optionally dedicated to a spirit's altar; not an NFT.
Basethe-wild-x402.mhoydich.workers.devfrom $0.011 endpoint - Ttensegrity-control-mesh.onrender.comOther services
Deterministic structural failure inspection of a caller-declared control mesh. Structural evidence only; never authorizes execution. 0.01 USDC per request.
Basetensegrity-control-mesh.onrender.comfrom $0.011 endpoint - SStock Value LensMarkets & finance
Historical annual company financials, excluding stock prices. Free field list: GET /api/v1
Basestockvaluelens.comfrom $0.0011 endpoint - Sstash.fluidrack.comOther services
Reserve TTL object slot
Basestash.fluidrack.comfrom $0.011 endpoint - Sstamp.0000402.xyzOther services
Pay $0.01 USDC to create an immutable timestamped statement. The server assigns recorded_at in UTC. Statements are public, permanent, and cannot be edited. Max body size: 10 KB. Network: Base Mainnet. Each request records one statement and returns public proof URLs.
Basestamp.0000402.xyzfrom $0.011 endpoint - CCreate slugDeveloper tools
Convert text into a URL-safe slug: transliterate accents, apply a locale character map, and join with a separator.
Baseslug.openverbs.comfrom $0.0021 endpoint - SSitemap URL ExtractorData & research
Give this API a link to any website's sitemap.xml file and it will fetch and parse it, returning every URL found inside. If the sitemap links to other sitemaps (called sitemap indexes), it will follow and extract those too. Each URL is returned with any extra information available, such as when the page was last updated and how often it changes. Useful for SEO audits, content inventories, broken l
BaseSolanasitemap-url-extractor.underscoredone.comfrom $0.011 endpoint
ShieldFormOther servicesInvisible bot protection. Score form submissions 0-100 based on behavioral signals. No CAPTCHAs.
BaseSolanashieldform.waltsoft.netfrom $0.0051 endpoint- Sselectarank-data.vercel.appData & research
ECB euro foreign exchange reference rates (units of currency per 1 EUR), daily, from the European Central Bank. Query: currencies=USD,JPY,GBP (default USD,JPY,GBP,CHF), days=1..30 (default 1). Facts only, no recommendations.
Baseselectarank-data.vercel.appfrom $0.0021 endpoint
nsgoods AI Extractability ScoreAI & agentsSigned extractability score (0-100) + breakdown + fixes for a URL. Free preview: GET /extractability/preview Blocked or bad input returns 400; a failed fetch returns 502; you are never charged for an error.
Baseschema.nsgoods.orgfrom $0.011 endpoint- Sscan.convrgent.aiCrypto & DeFi
Paid equivalent of /api/aeo/scan — scanner for AI search visibility (AEO, GEO) and agent readiness. Triple score + AI Identity Card + top issues covering JSON-LD Schema.org, meta tags, llms.txt, robots.txt, sitemap, and agent-discovery signals for ChatGPT, Perplexity, Google AI Overviews, Bing Copilot. $0.01 in USDC (Base or Solana) — Bazaar-indexable variant; the free version at /api/aeo/scan sta
BaseSolanascan.convrgent.aifrom $0.011 endpoint - Rrisk-oracle-api.rohan-rajnikanth.workers.devOther services
Deterministic reserve-condition risk assessment for native USDC on Aave V3 Base
Baserisk-oracle-api.rohan-rajnikanth.workers.devfrom $0.011 endpoint - SSkuuy ReadSearch & web
Skuuy Read — URL to clean Markdown (100 reads/day free)
Baseread.skuuy.comfrom $0.0012 endpoints - DDomain registrationDeveloper tools
Look up a domain's RDAP registration data — registrar, status, creation/expiry/update dates, nameservers and DNSSEC. Unregistered domains return found:false.
Baserdap.openverbs.comfrom $0.0061 endpoint - QQuickBuildImages, audio & video
Mint account read live from the public Solana mainnet RPC (jsonParsed). Every response has disclaimer: "informational only, not investment advice"; unavailable values are null (never invented). Not a mint = 404, invalid = 400, never charged.
Basequickbuild.quynguyenbac.workers.devfrom $0.00122 endpoints - Ppromptqualityscore.comAI & agents
Quick pre-flight quality score: composite (0-100) + grade (A-F) + three framework sub-scores (PEEM, RAGAS, G-Eval) + verdict. Run upstream of any other paid call to filter weak prompts before inference. The cheapest gate on the AI input quality problem.
Basepromptqualityscore.comfrom $0.0011 endpoint - PParse phone numberOther services
Parse, validate and format a phone number — E.164/national/international/RFC 3966, region and line type (syntactic validation, no carrier lookup).
Basephone.openverbs.comfrom $0.0021 endpoint - PPDF Text ExtractionAI & agents
Extract plain text and metadata (title, author, producer, page count) from a PDF supplied by URL or base64 — heavy pdf.js parsing an agent can't self-run.
Basepdf.openverbs.comfrom $0.0061 endpoint - Ppayerproof-production.up.railway.appCrypto & DeFi
Verified on-chain USDC revenue stats for any x402 seller address on Base: total received, transfer count, unique payers, top-payer concentration, largest transfers. Window up to 720h (30d), incremental coverage.
Basepayerproof-production.up.railway.appfrom $0.012 endpoints - Ppastebin.0000402.xyzCrypto & DeFi
Pay $0.01 USDC to store up to 100 KB of text or code. Returns a token for free retrieval anytime via GET /paste/{token}. Network: Base Mainnet. Each request stores one text or code blob and returns a retrieval token, making it useful for notes, code snippets, logs, and debug-output sharing.
Basepastebin.0000402.xyzfrom $0.011 endpoint - GGenerate passwordOther services
Generate a secure random password (characters) or a wordlist passphrase.
Basepassword.openverbs.comfrom $0.0022 endpoints - Oopenapi.aisa.oneOther services
Access to protected resource
Baseopenapi.aisa.onefrom $0.011 endpoint - Ooffsetprintingwork.cyouData & research
One immutable English Pharos article for this exact topic/location URL. Source-backed editorial data with geographic context; no local inspection, quote or production authorization.
Baseoffsetprintingwork.cyoufrom $0.011 endpoint - Nnojunk-web-read.mick8511.workers.devSearch & web
Read any public web page as clean JSON: title, description, site name, publish date, language, readable text (boilerplate removed), Markdown and the page's links. Give it a URL, get the content back in one call. HTML, plain text, JSON and XML pages supported.
Basenojunk-web-read.mick8511.workers.devfrom $0.0021 endpoint - MMYC Federal Contract ChangesMarkets & finance
Detect material state changes with prior/current comparison, evidence, and provenance, applied to SAM.gov federal contract opportunities. Identify economically material deadline moves, solicitation amendments, attachment changes, set-aside, NAICS, status, and award changes. Returns an immutable before/after delta with materiality, reason codes, and provenance for procurement and capture agents.
Basemyc-staging.crescadia.comfrom $0.012 endpoints - LLocus x402 ServicesOther services
Locus public pay-per-use API
Basemistral.x402.stage.paywithlocus.comfrom $0.0051 endpoint - Mminingoperationswork.cyouOther services
One useful bounded localized-topic response for the exact URL, method, inputs and source snapshot. Original MIME/schema and provenance retained; unavailable or empty results collect nothing.
Baseminingoperationswork.cyoufrom $0.012 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.