Every agent-payable API.

Darrylbots paid research: Standard Stock Screen: Quality, Momentum, and Durable Execution

Enrich Company — merged 30+ field profile from Apollo, Crustdata, and PeopleDataLabs: revenue, headcount, industry, funding, valuation, tech stack, social profiles, SIC/NAICS codes, HQ address.

Current protocol TVL by DefiLlama — the single latest total-value-locked number for one protocol by slug.

Deterministic risk scorer for autonomous-agent commands. Scores a shell, SQL, or git action for destructive, deployment, and data-mutation risk before execution and returns a risk level, the matched policy rules, and an approve-or-block recommendation. Pure rules, evidence per match, no fabrication.

Converts any URL (PDF, webpage, Google Doc) to clean Markdown with optional AI summary. $0.05/convert via x402 on Base.

Eu Gdp — an agent-callable eu gdp service, payable over x402 (USDC on Base). Provided via Apify. Priced around 1 USD per call.

Fast EVM smart-contract malicious-pattern triage. Returns risk score, verdict, top flags, and Phase-6 counterparty intel within ~30s for a single address.

FDA catalysts for a pharma/biotech/medtech company, from openFDA. Pass `?company=Medtronic` (required) plus `?limit=` (max 50). Returns `drug` (recalls + approvals) and `device` (510(k) clearances, PMA approvals, recalls) sections, each with recent items, match totals, and official FDA links. One call across 5 FDA datasets. From x402stock, a market & economic data API (x402, USDC).

The current US stock-market Fear & Greed index (0–100, CNN-style) with its sentiment rating and all five weighted components — volatility, momentum, put/call, safe-haven demand, junk-bond demand — each with value, weight, and reading. Includes the last 30 days of scores and a backtest of S&P 500 forward returns by sentiment zone. A one-call read of market mood. From x402stock

Bitcoin smart-fee curve for 1/3/6/12/24/144-block confirmation targets + trend classification (rising/stable/falling/surging) from 2h moving average.

Full-text search across every SEC EDGAR filing since 2001. Find filings mentioning a keyword or exact phrase via ?q=, narrow by ?forms=10-K,8-K, ?ticker=, and ?startdt=/?enddt= dates, and cap with ?limit=. Returns each match's form, filer, date, and a link to the document. Sourced from SEC EDGAR. From x402stock, a market & economic data API (x402, USDC).

Full text and open-access PDF retrieval for a paper. Given an arXiv id, DOI, OpenAlex id, PMID, or PMCID, returns the readable body split into sections (introduction, methods, results) plus the open-access PDF location: arXiv via ar5iv, biomedical via Europe PMC, OA locations via OpenAlex for the rest. The 'now read it' call after a paper search. Keyless.

Exa neural search API — search. POST { query } for search or { urls } for contents. https://docs.exa.ai $0.013 USDC per request. Agent search: exa, neural search, semantic search, web search, people, company.

SociaVault API proxy — tiktok-search-hashtag. Query/body matches https://docs.sociavault.com/api-reference/openapi.json. GET/POST per route; x402 per call. $0.014 USDC per request.

SociaVault API proxy — instagram-profile. Query/body matches https://docs.sociavault.com/api-reference/openapi.json. GET/POST per route; x402 per call. $0.014 USDC per request.

Gbp Cny — an agent-callable gbp cny service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.01 USD per call.

Geocoding and reverse geocoding. Converts an address or place name to latitude/longitude, or coordinates back to an address.

Resolve a UK postcode to current DEFRA UK-AIR pollutant readings from nearest monitoring stations.

Get the Japanese (JP) weather forecast for a region — today's conditions, near-term outlook, and a 7-day weekly forecast with temperatures and precipitation probability. Sourced live from 気象庁 (Japan Meteorological Agency / JMA). Accepts a JMA office code or a Japanese/English region name.

US electricity grid — demand, generation mix (renewable/gas/nuclear), and stress signals across 7 regions

End-of-day OHLCV bars for every US-listed ticker on a single date; one call returns the entire market. Pass `?date=YYYY-MM-DD` (required). From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Hacker News feed. Top, new, and best front-page stories plus full-text story search — titles, scores, comment counts, and author for tech and startup news.

Hyperliquid counterparty risk. POST {user}. Returns risk_level (low/medium/high), liquidation_count + rate, funding_paid_per_volume (consistent leverage signal), and a recent_24h_outflow_flag (drained collateral). For MM/copy-trade agents pricing adverse selection.

Paid x402 endpoint for generating images from text prompts.

Every AI agent and developer runs into broken or confusing JSON constantly. This tool handles all the most common JSON headaches in one place: check if JSON is valid (with exact error location), fix near-JSON that has typos or formatting mistakes, pretty-print or minify, pull out specific values using a path expression, compare two JSON documents and see exactly what changed, convert to and from YAML or CSV, produce a byte-stable canonical form for hashing or signing, validate against a schema, and get size and structure statistics. Same input always gives the same output — fully predictable, no side effects.

Returns activity rollups for every jurisdiction, ranked by total events — use it to spot which states are seeing the most WARN filing activity

Kalshi consensus-probability trajectory. POST {event}. Wraps Kalshi's unique /events/{ticker}/forecast_history (no other PM exposes formatted forecast percentile history). Returns slope-per-hour over 24h and 3d, acceleration signal (regime change indicator), volatility band, days to resolve, and a stable/accelerating-up/accelerating-down interpretation.

Kaspa BlockDAG topology snapshot: tips, sink, virtual chain, pruning point, blue scores. For DAG-state monitoring, side-branch detection, sync verification.

Kaspa mempool transaction count over time. AI agent API for mempool-state regime detection. Informational research data — not investment advice.

Korean crypto sentiment — AI analysis combining 189+ tokens exchange data with Korean news. First-in-world Korean-to-English crypto sentiment API.

Company research for AI agents $0.03: web + scrape + firmographics + domain trust in one call. Alias: /api/x402/company-research. Ed25519-attested. Use before/after people enrichment. Upsell verified company file $0.95. ?q=company or domain.

Pre-trade token risk indicators (Base/Eth/Solana). $0.03 Base USDC keyless x402.

Company research for AI agents $0.03: web + firmographics + domain trust in one keyless call. Undercuts $0.10–$0.15 org-enrich rivals. Company intel, vendor research, firmographics, domain enrich. Ed25519-attested. Base USDC x402. ?q=stripe.com

Full liquidation report — all assets, long/short breakdown, hot zones

Return the Schema.org structured data already published on a public web page. Navigation-only results are marked low information so agents can choose Full extraction. $0.005 USDC per successful request on Base. Call /check before paying. Payment authorization settles only after a successful response.

Smart contract verification and security analysis on Ethereum Base BSC Arbitrum Polygon

Options flow intelligence — unusual activity put/call ratios large block trades

Analyze an MCP server manifest for security risk before install — destructive actions, over-broad scopes, sensitive-data egress, weak auth, prompt-injection surface, and permission diff. Returns per-tool, per-factor findings with severity, why, and a concrete fix (not just a score).

Maximum-safe LTV for collateralized agent loans. Computed from (cv + λ·j²)-derived variance over loan horizon + 6-mode regime cap. Lender-specifiable max_default_prob. Returns binding constraint (math vs regime_cap) so agents can see WHY the cap is what it is. Same calibrator as Agent-SOFR rate endpoint.

Bitcoin mempool pressure classification (low/medium/high/extreme) + fee buckets (0-1, 1-2, 2-5, 5-10, 10-20, 20-50, 50-100, 100-200, 200+ sat/vB) + RBF count + CPFP candidate count. Updated every 5 min.

Use when you need the structured data a page already carries, not raw HTML. Renders JavaScript and returns JSON-LD, Open Graph, meta tags, headings, tables and links, plus any fields you pass as CSS selectors. JSON body { url }, optional selectors ({ name: cssSelector }). Private/internal targets are blocked.

US M2 money stock, monthly, in billions of dollars (seasonally adjusted), with the latest value, prior month, month-over-month and year-over-year change, and recent history. No ticker needed. A liquidity gauge watched for inflation and risk-asset context. Sourced from the St. Louis Fed (FRED). From x402stock, a pay-per-call market & economic data API. Pay per request in USDC via x402, no API key.

Munition Airport Search: x402-paid airport reference data search for AI agents. Pay 0.001 USDC to search airports by IATA code, city, airport name, or country and receive normalized IATA airport records suitable for travel planning.

Munition Flight Search: x402-paid live flight offer search for AI agents. Pay 0.05 USDC to search Duffel flight offers and receive compact normalized itineraries, prices, carriers, and metadata suitable for replay and downstream planning.

Curated stock-market news with ticker tags, source, publisher, image, and timestamps. Pass `?ticker=AAPL` to filter. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

Ethereum RPC (chain 1): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.

BOB RPC (chain 60808): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.

Numerical computing (SciPy): root-finding, optimization, numerical integration (quadrature), eigenvalues/vectors, and linear solves — returned with residuals and condition numbers. Paid in USDC on Base or Solana.

OHLCV candles for a token - supports 1d, 7d, 14d, 30d, 90d, 365d ranges

Hourly Bitcoin Ordinals inscriptions + OP_RETURN byte volume. Inscriptions detected via witness-envelope magic bytes (cord). Window up to 7d.