Open interest (OI) of one coin's perpetual futures by exchange: Bybit, Hyperliquid, dYdX, Gate, Kraken, Bitfinex, Deribit, OKX. Per venue OI in coins and USD and its share, the total, and the OI change over 1h, 4h and 24h from the venues' own history. Perp open interest and futures open interest for BTC, ETH, SOL and more. Data only. Bad input is free; under 3 venues not charged.

Latest COMPLETE US spot BTC ETF daily print (Farside). Per-call USDC.

Fetch any public URL and return its content as base64 with the content type and a ready-to-use data URI. Embed images, PDFs and files directly in LLM and API calls without downloading them yourself. Clean JSON.

Company domain intelligence. Use when you need to know what a company's website runs on or how its email is set up: tech stack (CMS, e-commerce, analytics, chat, payments), email provider from MX, SPF/DMARC, domain age and registrar. No personal data.

Sybil forensics for one ERC-8004 AI agent: reviewer concentration, ghost reviewers, burst detection. Use to check if an agent's reputation is real

Bulk WHOIS lookup: registrar, creation/expiry dates, status and nameservers for up to 10 domains in a single batch call, parsed into structured JSON. One payment per batch — for domain portfolio audits, expiry monitoring and brand-protection checks.

Search global company legal names in GLEIF to find Legal Entity Identifiers (LEIs), jurisdictions and registration status. Up to ten results per paid page support entity disambiguation, counterparty matching and reference-data enrichment.

US overnight interest rates — latest SOFR secured financing and EFFR effective federal funds benchmarks, volumes and policy target range for dollar borrowing-cost comparisons. x402Atlas is not affiliated with the New York Fed. The New York Fed does not sanction, endorse, or recommend any products or services offered by x402Atlas.

Perform a Google search and return structured results. Returns title, URL, snippet, position for each result. Google search SERP results for AI agents: organic results as clean JSON, scoped by country (ISO 3166) and language (ISO 639-1), up to 20 results per call.

AML/KYC sanctions and PEP screening for a person or company: OFAC, EU, UN, UK OFSI, SECO, BIS, World Bank + 125 national lists. Named-source match evidence.

Bulk web search — run up to 5 search queries in one paid call and get ranked results per query (title, URL, snippet, relevance score) as clean JSON. Same news, finance, date-range, country and domain filters as single web search, applied to every query. One payment instead of five for research fan-out, multi-query RAG retrieval and agent planning.

Analyze Google search results for a keyword. Returns organic results, featured snippet, People Also Ask, SERP features. Google SERP analysis for SEO and keyword research: ranking pages, featured snippet owner, PAA questions, related searches, and which SERP features appear (knowledge graph, AI overview, videos, shopping, local pack, ads), by country and language.

Average interest rate the US Treasury pays on its outstanding debt, latest month, by security: Treasury Bills (T-bills), Notes, Bonds, TIPS, FRNs, savings securities and total interest-bearing debt. Official Fiscal Data figures for tracking the cost of US government borrowing and national debt interest.

Latest US national debt — Treasury Debt to the Penny totals, debt held by the public and intragovernmental holdings in exact dollars. Daily federal debt figures for fiscal monitoring, sovereign-debt dashboards and government borrowing analysis.

Canadian interest rates and government bond yields — latest business-day Bank of Canada overnight policy rate and 2-, 3-, 5-, 7-, 10-year and long-term yields for borrowing-cost and yield-curve comparisons; original data is available free at bankofcanada.ca.

EU trademark search (EUIPO) — find registered and pending EU trademarks by name, optionally filtered by Nice class; returns trademark names, application numbers, status, owners, classes and key dates as clean JSON.

Latest Brazil IPCA consumer price inflation from IBGE via Banco Central do Brasil SGS 433, monthly percentage changes for purchasing-power and inflation trend analysis.

Latest Metropolitan Lima, Peru consumer price index (CPI) inflation from INEI via BCRP: monthly percentage change for inflation and purchasing-power analysis, not national CPI or an index level.

Latest Peru policy interest rate from the Central Reserve Bank of Peru (BCRP), a monthly reference-rate observation in percent per annum for monetary policy and borrowing-cost comparisons.

Latest Brazil Selic policy target interest rate from Banco Central do Brasil SGS 432, in percent per annum, for monetary policy and borrowing-cost analysis.