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Catalog

Every agent-payable API.

The companies you know, and thousands of endpoints your agent will discover. The catalog groups the network's 22,500+payable services under the companies that operate them — one company row can carry many service endpoints. Placement can't be bought.

All APIs

22,482 APIs
APICompanyCategoryPrice / callStatus
APEX Runner: Fear Greed Signal
APEX Runner: Fear Greed Signal
apexrunner.ai-$0.007listed
APEX Runner: Regime Micro Signal
APEX Runner: Regime Micro Signal
apexrunner.ai-$0.014listed
APEX Runner: Regime Signal
APEX Runner: Regime Signal
apexrunner.ai-$0.007listed
APEX Runner: Risk Assessment Bundle Signal
APEX Runner: Risk Assessment Bundle Signal
apexrunner.ai-$0.007listed
ASN + IP geolocation
Look up the Autonomous System (ASN), prefix, country, registry, and allocation date for an IPv4 address - or for a hostname (which is resolved first). Uses Team Cymru's free DNS-based IP→ASN mapping; no HTTPS upstream, no auth, no rate-limit headaches.
agent402.tools-$0.001listed
Academic Paper Search
Academic and scientific paper search API. Search research papers and scholarly literature across arXiv, PubMed, OpenAlex, Crossref, and Semantic Scholar in one call, deduplicated into a ranked result set: title, authors, year, venue, abstract, citation count, DOI, and direct PDF link. Query by keyword or restrict to one source; filter by year range; sort by relevance, recency, or citations. Keyless.
kadec0.xyz-$0.02listed
Active Pump Detector API
Active-pump detector: is the asset currently pumping, and for how long vs the historical average pump length? Use to judge whether a move is fresh or exhausted before joining it.
swaphunt.dev-$0.003listed
Acurast Deploy Agent
Deploy jobs to Acurast decentralized cloud with automatic payment
acu.run-$0.079listed
Ada Usd
Ada Usd — an agent-callable ada usd service, payable over x402 (USDC on Base). Provided via Apify. Priced around 0.01 USD per call.
myceliasignal.com-$0.01listed
Address Trust
🆕 The 'who am I dealing with?' check for agents. Reads Coinbase's ONCHAIN verification (an EAS attestation by verifications.coinbase.eth) — meaning the address is tied to a KYC'd Coinbase account, the strongest sybil-resistance signal on Base — plus the address's Basename. Returns a verified/named/anonymous verdict + trust score. Pair with sign-guard/spend-audit for a full pre-transaction gate. Identity is a signal, not proof of honesty.
com.tr-$0.03listed
Aegis Curated Briefing
Aegis curated briefing — AI-scored content feed with V/C/L metrics
aegis-ai.xyz-$0.01listed
Age calculator
Compute a precise age (years, months, days) from a birth date to today (or a given date), plus total days.
agent402.tools-$0.001listed
Agent API
Look up an ERC-8004 AI agent identity on Base mainnet. Returns name, description, services, x402 support, and owner.
memoryapi.org-$0.001listed
Agent API
Improve AI search visibility and get cited by ChatGPT, Perplexity, Claude & Google AI Overviews. AEO/GEO/SEO strategy, AI visibility audits, schema markup, llms.txt. 0.05 USDC/query.
basechainlabs.com-$0.05listed
Agent Action Safety Quick Gate
AI agent action safety: one-cent deterministic preflight for every consequential agent command. Returns risk, matched rule ids, and an exact machine-readable escalation call: full DestructGuard evidence for medium risk or the complete Action Safety workflow for high and critical risk.
hermesplant.com-$0.01listed
Agent Guardrail Decision Engine API
Agent guardrail decision engine. Call once before every agent action; returns a single decision — proceed, slow down (with a reason and wait time), or stop — based on cost budget, chain depth, step cap and retry budget, and request volume pressure. Policy thresholds are configured separately via /policy; this endpoint only reports the decision for a single action.
redlynr.com-$0.001listed
Agent Profile Lookup API
Agent profile lookup. Returns trust score, component breakdown, feedback counts, and metadata for any ERC-8004 agent.
thetrustlayer.xyz-$0.001listed
Agent Sofr API
Agent-SOFR — decentralized USD short-rate benchmark for AI agents. Weighted-median of 7 sources + variance + regime premiums. BNS-calibrated 6-mode classifier on 444k ETH/USDC 5-min bars (λ=1.097 closed-form). Open + IPFS-pinned methodology: agent-sofr-v1.
regimeshift.xyz-$0.001listed
Agent Trust API
Cross-chain ERC-8004 trust score for one (chain, agent) pair — signed JSON with transparent component breakdown (value_avg / client_breadth / volume / recency), per-chain context, and methodology link. USDC pay-per-call on Base mainnet.
nsgoods.org-$0.005listed
Agent-Ready Assessment
Audits a website for AI agent and AI crawler readiness from artefacts the caller supplies: robots.txt, HTML, response headers, llms.txt, sitemap lastmod values, /.well-known paths. Names the crawler policy per bot (GPTBot, ClaudeBot, PerplexityBot, CCBot, Google-Extended, Amazonbot, Applebot, Bytespider) and reports what it could not measure instead of guessing. Makes no outbound request.
ozdreamtools.de-$0.01listed
Agent402.tools
Bundled execution of the Text hygiene workflow - Turn a wall of dirty text - chat logs, scraped pages, user-generated content, log dumps - into something safe to store, search, and pipe into the next step. Measure first, redact PII before anything...
agent402.tools-$0.05listed
Agent402.tools
Compress a string with Brotli (RFC 7932) and return it as base64. Brotli typically beats gzip by 15-25% on text - useful when bytes matter (e.g. cramming context into an LLM prompt, fitting under a transport cap). Slower than gzip; pick gzip if sp...
agent402.tools-$0.001listed
Agent402.tools
Full reported history of a single XBRL concept for one company (e.g. quarterly Revenues for Apple). Each datapoint cites the accession number and filing that reported it, so you can trace the number back to a 10-K/10-Q. Source: data.sec.gov/api/xb...
agent402.tools-$0.015listed
Agent402.tools
Convert a color between hex, RGB, and HSL. Accepts "#1a2b3c", "rgb(26,43,60)", or "hsl(210,40%,17%)".
agent402.tools-$0.001listed
Agent402.tools
Convert an integer (1-3999) to Roman numerals, or a Roman numeral back to an integer. Auto-detects direction.
agent402.tools-$0.001listed
Agent402.tools
Bundled execution of the Location intel workflow - Point at an address (or even a rough place name) and assemble the situational brief: precise coordinates, the canonical postal address, what's within walking distance, the live weather forecast, a...
agent402.tools-$0.10listed
Agent402.tools
Current air quality index and pollutant concentrations for any location: US AQI, PM2.5, PM10, ozone, NO2, SO2, CO. Open-Meteo air quality API, no key, global. ?lat=28.61&lon=77.23.
agent402.tools-$0.003listed
Agent402.tools
Bundled execution of the SEC filings deep-dive workflow - Pull the full EDGAR picture of a US public company in one workflow: recent filings, key financial time series, insider trades, and full-text search across the corpus. One x402 payment runs ...
agent402.tools-$0.85listed
Agent402.tools
Bundled execution of the Document intelligence workflow - Turn any PDF or image URL into structured data - metadata, extracted text, sliced page ranges, OCR for scanned docs, decoded barcodes / QR codes - without falling back to a vision LLM guess...
agent402.tools-$0.20listed
Agent402.tools
Live image search: ranked image results (title, source page, image URL, thumbnail URL, dimensions) from an independent search index as clean JSON. Strict safe-search is on by default.
agent402.tools-$0.02listed
Agent402.tools
Decode a vehicle VIN via NHTSA vPIC: make, model, year, trim, body class, engine, fuel, plant, and vehicle type. Accepts full or partial VINs (partial needs modelYear). Live gov data, no key. ?vin=1HGCM82633A004352
agent402.tools-$0.004listed
Agent402.tools
Current weather conditions for any location on Earth: temperature, feels-like, humidity, wind speed/direction/gusts, precipitation, cloud cover, pressure, and human-readable condition. Open-Meteo, no key, global. ?lat=48.86&lon=2.35.
agent402.tools-$0.003listed
Agent402.tools
Render a page in a real headless Chromium browser (JavaScript executed), then extract the main content as clean markdown. Use this for SPAs and JS-heavy sites where plain fetching returns an empty shell - try the cheaper extract first for static p...
agent402.tools-$0.02listed
Agent402.tools
OpenAI-compatible text embeddings over x402 - point any OpenAI SDK at base_url https://agent402.tools/v1 and pay $0.002 per call in USDC, no API key, no signup. Batch up to 64 inputs / 16k chars per request; text-embedding-3-small by default (3-la...
agent402.tools-$0.002listed
Agent402.tools
Split text into overlapping chunks for RAG ingestion - by characters (default) or by exact LLM tokens. Returns the chunks plus offsets. Deterministic, no model needed.
agent402.tools-$0.001listed
Agent402.tools
Bundled execution of the Cross-asset price monitor workflow - Side-by-side snapshot of a stock and a crypto asset: live quotes, 1-year history, and a date-stamped comparison. One x402 payment runs 5 underlying tools (stock-quote, stock-history, cr...
agent402.tools-$0.08listed
Agent402.tools
Store a piece of text for later similarity recall - a per-wallet semantic index an agent cannot host in-session. Returns an id. Pair with /api/memory/recall to retrieve by meaning, not exact key.
agent402.tools-$0.003listed
Agent402.tools
Bundled execution of the Decode this blob workflow - Hand the agent an opaque string - a JWT, a base64'd JSON payload, a gzip-encoded API response, a hex-encoded hash - and walk it through identifying what it is and unwrapping it layer by layer un...
agent402.tools-$0.05listed
Agent402.tools
Bundled execution of the Domain intel workflow - Full domain security and SEO intelligence in one call: WHOIS, DNS, TLS cert, HTTP headers, tech stack, robots policy, and certificate transparency. One x402 payment runs 6 underlying tools (whois, d...
agent402.tools-$0.075listed
Agent402.tools
Bundled execution of the Site status snapshot workflow - The 'is this site healthy, addressable, and crawlable - right now?' workflow. DNS resolution → HTTP reachability → security headers → TLS certificate expiry → robots policy. Five tools, one ...
agent402.tools-$0.07listed
Agent402.tools
Bundled execution of the Financial analysis workflow - Quick company snapshot: live quote, 9 key financial metrics (revenue through cash flow), and upcoming earnings - one call, one payment. One x402 payment runs 3 underlying tools (stock-quote, c...
agent402.tools-$0.08listed
Agent402.tools
Top N coins by market capitalization with full market snapshot per coin: rank, price, 24h change, 7d change, 24h volume, market cap, circulating supply, and all-time high. Default 10, max 100 per call. Backed by CoinGecko's public API.
agent402.tools-$0.015listed
Agent402.tools
Search public Certificate Transparency logs (via crt.sh) for every cert issued to a domain. Returns the cert list plus a deduped subdomain set extracted from the SANs - the fastest way to enumerate subdomains for a security audit. Free upstream, n...
agent402.tools-$0.005listed
Agent402.tools
Bundled execution of the Financial research workflow - Pull SEC filings, real-time quotes, historical prices, and macro context for a single ticker in one pass. One x402 payment runs 7 underlying tools (stock-quote, stock-history, edgar-filings, e...
agent402.tools-$1.50listed
Agent402.tools
Last N business days of US Treasury constant-maturity yields, oldest→newest. Source: FRED DGS* series (St. Louis Fed), public domain. ?days=30 (1-250, default 30).
agent402.tools-$0.015listed
Agent402.tools
Generate a text embedding vector using OpenAI text-embedding-3-small (1536 dimensions). Ideal for semantic search, RAG, and clustering. No API key needed; pay per call via x402. Text capped at 32k chars.
agent402.tools-$0.005listed
Agent402.tools
OpenAI-compatible chat completions, nano tier: gpt-4.1-nano, gpt-5-nano, gemini flash-lite, small llama/ministral/qwen, deepseek-chat - $0.003 per call in USDC over x402, priced for high-frequency agent loops. Same wire format as /v1/chat/completi...
agent402.tools-$0.003listed
Agent402.tools
LLM inference proxy - send an OpenAI-format chat/completions request and get a response from GPT-4o-mini. Supports vision (up to 2 image URLs, low detail) and structured output (response_format: json_object or json_schema). No API key needed; pay ...
agent402.tools-$0.01listed
Agent402.tools
Count exact LLM tokens for a string using the real OpenAI BPE (o200k_base for gpt-4o/o-series, cl100k_base for gpt-4/gpt-3.5). Deterministic, offline - budget context windows without calling a model.
agent402.tools-$0.001listed
Agent402.tools
Bundled execution of the Trend analysis workflow - Take any numeric time series - a stock's daily close, a FRED macro indicator, a treasury yield history - and run it through the full quantitative workup: descriptives, moving averages, trend line,...
agent402.tools-$0.20listed
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