Research and intelligence APIs
Research briefs, signals, scoring and analysis that agents can buy per call. Paid in USDC on Base over x402, with no API key. Settlement-verified listings link to the on-chain receipt.
42 listings
- KlearFlow Revenue Opportunity Inspector · $0.005 ·
/api/relay/v1/inspect-revenue-opportunity· 1 route verified · Machine-paid revenue intelligence for missed calls, weak follow-up, lead-response gaps, sales-pipeline leakage, and recoverable monthly revenue; structured JSON over x402 v2 on Base USDC. - Anicca x402 Agent APIs · $0.005–$0.01 ·
/funding-rates· 1 of 9 routes verified · Nine x402-native AI utilities: context compression, emotion detection, Buddhist counsel, focus coaching, habit design, prompt safety, decision clarity, intent routing, and live funding rates. - ot-intel-api · $0.01 ·
/ot/ioc· 1 of 40 routes verified · OT/ICS IOC enrichment. Paid sample matched public OTX pulse count and ASN. Did not invent a campaign. $0.01 GET /ot/ioc. Higher routes unverified. - ISHOB Research Brief · $0.05 ·
/v1/research-brief· 1 route verified · Research brief on any topic: best open-licence papers with citations, abstracts and links, plus an AI-written summary that only cites the papers returned. - BiX Creator Edge · $0.005–$0.001 ·
/paid/v1/creator-edge· 1 route verified · BiX Creator Edge - BABYDOV Bounty Snapshot · $0.005 ·
/bounty-snapshot· 1 route verified · Real-time snapshot of high-value agent-native paid tasks and bounties with source URLs for independent verification. - Technical SEO Audit · $0.01 ·
/functions/v1/seo-audit-x402-v1· 1 route verified · Deterministic technical and on-page SEO audit for one public HTTPS page, with transparent score/checks and unscored machine-accessibility signals. Informational only; no ranking guarantee. - WhiteMagic hosted recall (MCP) · $0.01 ·
/mcp tools/call memory.search· 1 route verified · Read-only hosted recall MCP lane; discovery (initialize/tools/list) keyless and free, tool calls metered over x402 (USDC on Base, $0.01/call); free evaluation keys available. - RelayShield Threat Intelligence API · $0.05 ·
/v1/payg/breach· 1 of 28 routes verified · Scan text for exposed API keys, tokens, and credentials. - Research Brief API (x402) · $0.01–$0.02 · Micropay research for agents: outline 0.01 USDC or full brief 0.02 USDC on Base. Taskmarket-shaped markdown scaffold.
- Eleeth x402 · $0.01 ·
/api/search· 1 of 53 routes verified · 53 AI endpoints on Base — chat, image, video, TTS, podcast, screenshot, web search and more. Pay per call in USDC via x402, no API key, no account. - Token Safety & Contract Risk API · $0.003 · Token contract safety scanner -- honeypot, tax, proxy, blacklist, ownership. Rug-pull protection for agents.
- Nodavyr · $0.1 ·
/v1/agent/AAPL· 1 route verified · Machine-payable SEC filing intelligence for autonomous agents. - Compute State API · $0.005 ·
/v1/cheapest· 1 route verified · Which compute SKU is cheapest right now, from official vendor prices. Inference or on-demand GPU hours. $0.005 USDC on Base or Solana. No key. - Sharvora Intelligence · $0.001–$0.15 ·
/api/v1/service-proof· 1 of 19 routes verified · Intelligence and research endpoints for AI agents, x402 paid, USDC on Base. Verified route: GET /api/v1/service-proof at $0.001, the low-cost end-to-end delivery canary the provider recommends running before higher-value calls. At verification it returned a live per-call receipt with a unique request nonce, a sha256 digest and a request-time timestamp matching the settlement. Scope note: that route proves payment and delivery work on this host; it is not an intelligence product. The card advertises 19 endpoints priced up to $0.15 and none of the analytical routes is payment verified. Base only. - Signal Foundry Item 1A Change Intelligence · $0.05 ·
/api/paid/signals· 1 route verified · Verified material changes between SEC 10-K Item 1A risk factors, separated from cosmetic rewrites and delivered as source-linked structured JSON for AI agents. - ChainRay · $0.002–$0.08 ·
/price/ETH· 1 of 94 routes verified · ChainRay is a multi-chain on-chain intelligence API for AI agents: prices, gas, DeFi, risk, wallets, cross-chain analytics and verifiable proofs, paid per request with x402 USDC on Base. - Screenshot & PDF Capture API · $0.002 ·
/capture/screenshot· 1 of 4 routes verified · 4 endpoints for headless web capture: viewport screenshot, full-page screenshot (scrolled), PDF render with print emulation, and CSS-selected element capture. Powered by Playwright + Chromium with one warm browser instance per process. Returns base64-encoded binary in JSON to keep the x402 envelope consistent. - SCOPE Research API · $0.003–$0.07 ·
/embeddings· 1 of 11 routes verified · Source-backed research and text embeddings for AI agents, x402 paid, USDC on Base. Verified route: POST /embeddings at $0.003, which takes {input} as a string or a small batch and returns text-embedding-3-small vectors. At verification the returned vector was 1536 dimensions matching the declared model and was unit-normalized, the property a genuine embedding from that model must have. Paths: /answer, /website-research, /news-research, /company-research, /product-research, /ecommerce-research, /research, /data-analysis, /file-research, /embeddings, /compare. The catalogue also advertises web, company, product, news, website, ecommerce, file and data research plus comparisons, priced up to $0.070; those routes are listed but not payment verified. The service advertises a Solana rail as well, but only the Base rail was paid and only Base is covered here. Base only. - Agent Protocol Inspector scan (MCP / A2A / ARD / llms.txt) · $0.02 ·
/api/v1/agent-protocol-inspector/x402-v2· 1 route verified · Agent protocol discovery scan with x402 USDC payment on Base. Verified route: POST /api/v1/agent-protocol-inspector/x402-v2 at 0.02 USDC, taking {url} and reporting MCP, A2A and ARD detection with evidence, plus llms.txt presence. Verified against payapi.market, where it confirmed the live MCP endpoint through a JSON-RPC handshake and located llms.txt, and correctly reported A2A and ARD as not detected. Base only. - GENESIS Machine Decision Intelligence · $0.005 ·
/v1/genesis· 1 of 65 routes verified · Complete autonomous machine tasks from plain-language objectives and return verified machine-readable results. GENESIS automatically selects internal capabilities, executes, verifies, and recovers. - Agentic Commerce Guardrail: Decide allow, warn, block before paying a counterparty · $0.02 ·
/api/v1/policy-check/x402-v2· 1 route verified · Agent Commerce Gate — get a clear allow/warn/block decision on whether to pay a counterparty, before your agent sends the payment — per call - TrollBridge · $0.02–$0.1 ·
/prices· 1 of 100 routes verified · TrollBridge: x402 pay-per-call intel feed, 100 tolled lanes — crypto markets, DeFi, wallet security, agent tools. USDC on Base, $0.02–$0.10/call. No account or API key needed. - Agent Intelligence Platform — Procurement Intelligence · $0.01 ·
/v1/experiments/procurement· 1 of 32 routes verified · Find and rank EU procurement opportunities with fit, deadline and value context from source-backed TED data. Machine-readable x402 intelligence on Base USDC. - DNS Inspector record lookup · $0.02 ·
/api/v1/dns-inspector/x402-v2· 1 route verified · DNS record lookup with x402 USDC payment on Base. Verified route: POST /api/v1/dns-inspector/x402-v2 at 0.02 USDC, taking {url} and returning A, AAAA, CNAME, NS, MX, TXT, SOA and CAA records plus SPF and DMARC posture and a CAA verdict. Verified against payapi.market, where the returned A, NS, MX and TXT records matched public DNS exactly. Base only. - AgentYield · $0.005–$0.03 ·
/url-clean-content· 1 of 5 routes verified · Pay-per-call web research and intelligence APIs for autonomous AI agents, paid in USDC via x402 on Base. - x402pulse · $0.03–$0.5 ·
/v1/verdict· 1 of 5 routes verified · Independent uptime and quality monitoring of third-party x402 endpoints: live verdicts, rankings, signed attestations, a bulk feed, and a daily archive timestamped into Bitcoin via OpenTimestamps. - Code Repair Agent · $0.001 ·
/v1/chat/completions· 1 route verified · Coding-focused AI for debugging, repairing broken code, explaining errors, reviewing source and generating corrected implementations. OpenAI-compatible chat.completion API powered by Qwen2.5-Coder-7B. Also on the same origin at $0.001 each: POST /v1/tools/json-repair, POST /v1/tools/yaml-validate and POST /v1/tools/compose-check. - Horse Truth Machine Intelligence · $0.001–$0.02 · 2 of 9 routes verified · Derived Australian racehorse intelligence for autonomous agents and software. Nine x402-paid endpoints cover horse intelligence, changes, identity resolution, rankings, snapshots, explanations, comparisons, provenance and named signals. Also available on the same x402 setup: /api/v1/x402/rankings ($0.02, top-rated horses by evidence) and /api/v1/x402/horse-intelligence ($0.02, a full horse profile). Both are read-only GETs on Base USDC.
- AgentPay · $0.005–$0.1 ·
/v1/eth-gas· 1 of 28 routes verified · 28 x402 routes on agentpay.help, Base USDC, no API key. Verified route POST /v1/eth-gas at $0.003. Other routes unverified. - draconic21 Daily Agent Signal · $0.03–$0.1 ·
/v1/signal_latest· 1 of 17 routes verified · Curated daily agent-economy research with ranked judgment, dated archive, continuity, and delta for funded agents. - ARBITER · $0.01 ·
/v1/compare· 1 of 2 routes verified · Deterministic semantic arbitration for AI agents. Measure and rank a fixed candidate field against a query, intent or perspective, returning a score for every candidate. Also serves deterministic embeddings. - Israel Counterparty Intelligence · $0.01 ·
/v1/company-changes/mainnet· 1 route verified · Israeli company verification, company-changes monitoring, and invoice PAY/HOLD/BLOCK gate for AI agents over MCP + x402 on Base Mainnet (Coinbase CDP). No API key. Cheapest paid call $0.01 USDC. - Gondola LLM Inference API · $0.01–$1 ·
/v1/chat/completions· 1 of 3 routes verified · Pay-per-request LLM inference over x402. 350+ Venice AI models incl. uncensored lines. OpenAI chat + images, Anthropic messages. Every 402 quotes the exact price; overpayment banks as credit. - DNS & Domain Intelligence API · $0.002 ·
/dns/full· 1 of 5 routes verified · 5 endpoints for DNS and domain intelligence: every common record type (A, AAAA, MX, TXT, NS, SOA, CNAME), WHOIS registration metadata, live SSL certificate inspection (issuer, validity, SANs, days remaining), Certificate Transparency-log subdomain discovery via crt.sh, and reverse-IP lookup with PTR fallback. - Chile Procurement Intel · $0.01–$0.05 ·
/v1/buyers/search· 1 of 5 routes verified · Search and rank Chile public-sector buyers for products and services using official ChileCompra OCDS evidence. Agent-native x402 buyer intelligence. - zFinia machine_economy_changes_since · $0.01 ·
/v1/intelligence/changes-since· 1 route verified · Material machine-payment, x402 and agent-commerce changes since an agent last checked. POST JSON {"cursor":"2026-09-01T00:00:00.000Z","maxItems":3,"include_high_resolution":true}. Supply a previous nextCursor or ISO timestamp; preserve opaque nextCursor for repeat checks. Returns correction-aware items, source evidence, count, nextCursor and truncated. Empty items is valid. Curated zFinia coverage; not an exhaustive real-time feed. Exact x402 v2, Base USDC, $0.01 per invocation. GET the same URL for free preview and current input/output contract. Guide: https://www.zfinia.com/api/services/machine-economy-changes-since Scope, established by a paid call: the underlying corpus was ingested on 2026-09-07, so any cursor earlier than that date returns the same set of items. The delta is real but coarse grained rather than a per event stream. - MCR Verified Demand Gap · $0.01 ·
/_api/opportunity· 1 of 2 routes verified · Cross-registry x402 market intelligence for autonomous agents. Searches live Circle and Coinbase discovery, normalizes Base-USDC pricing, incorporates 30-day call and unique-payer evidence where available, and ranks service candidates by relevance, demand, freshness, and price efficiency. - Anchor-x402 · $0.001–$1.77 ·
/v1/price/token· 1 of 18 routes verified · 16 x402-paid endpoints for AI agents: OFAC sanctions screening, wallet due-diligence, dual-chain hash anchoring, signed receipts, tx/calldata decode, ENS/SNS, prices + LLM tools. USDC, no keys. - Abuse/Reputation API · $0.000001–$0.000003 ·
/v1/ip· 1 of 3 routes verified · Paid Base USDC reputation signals for IP addresses, email addresses, and combined identity abuse prevention. - TELESINT · $0.01–$0.05 ·
/ioc· 1 of 14 routes verified · TeleSint: a paid CTI API turning Telegram threat chatter into structured, queryable intelligence — IOCs, actors, and OSINT signals for automated threat monitoring and enrichment. - NeuroDynamic Audio and LLM APIs · $0.005–$0.05 ·
/v1/audio/speech· 1 of 5 routes verified · Text to speech, transcription, voice cloning and uncensored LLM completions for AI agents, x402 paid, USDC on Base. Verified route: POST /v1/audio/speech at $0.005, taking {input, voice} and returning MP3 audio. At verification a non-fixture sentence produced 48 KB of audio whose bytes were parsed rather than trusted: a valid ID3v2.4 tag followed by a real MPEG frame header at 160 kbps and 48 kHz, roughly 2.4 seconds long and not silent. The audio was not transcribed back, so the badge covers delivery of genuine audio rather than the fidelity of the speech or the voice selection. The other four routes, transcription at $0.01, cloning result at $0.01 and the two LLM completion routes at $0.02 and $0.035, are listed but not payment verified. Base only.