Keyless multi-chain JSON-RPC reads, Base + Ethereum, from $0.001 (?chain=ethereum)

Live feed of freshly-detected malicious addresses on Base — address-poisoning seeders caught via zero-value transfer sprays, updated continuously by our on-chain collector. Poll ?since=<unix> to ingest only new threats into your agent's blocklist. Deterministic, evidence-backed, machine-readable.

Bybit (primary) / Binance (fallback) perpetual futures funding rate - the key signal for long/short crowding that traders use to time or hedge positions before the next funding settlement. Paid in USDC on Base.

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USD/BRL two ways: the official Central Bank PTAX rate and the LIVE crypto market (BTC/BRL, USDT/BRL), plus the Brazil premium (ágio): how much Brazilians pay above global price for dollar/crypto exposure. A classic emerging-market capital-flow signal, computed live from exchange prices at request time. Positive premium = capital-flight pressure; discount = inflow. Free sample, no payment: https://api.brazilayer.com/v1/mercado/amostra

Keyless web search for agents: pass a query, get a concise web-grounded answer plus the top source results (title, URL, snippet). Live web access, no API key or account needed. JSON response. $0.008 USDC per call, pay via x402, no API key.

ERC-8004 agent reputation with sybil filtering: reviewers are clustered by who funded them and each cluster counts once, so reviewers paid for from one wallet count as one vote. Returns feedback and reviewer counts, independent clusters, the sybil-flagged share, counts by evidence class (payment proof, task link, none) and per-tag means, and refuses to average tags with conflicting scales. Base. Free: GET /v1/verify. Trial: /v1/trial.

DEX price quote across 7 chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Unichain). Returns sell/buy amounts, price, routing, and gas estimate.

Queries target URL headers to score security configurations (HSTS, CSP, X-Frame-Options).

Scrape any public web page and get back the main article as clean, LLM-ready markdown. Fetches the URL, strips nav, ads, cookie banners and footers with Readability, and returns JSON: title, byline, site name, publish date, excerpt, language, word count and the markdown body. The cheap way to feed real page content to an agent without burning tokens on raw HTML. Static-HTML extraction (no JS rendering) - use /screenshot when you need a rendered browser view.

Brazil macro snapshot in one call, straight from the Central Bank: Selic policy rate, IPCA inflation (monthly and 12-month), official PTAX USD/BRL rate, plus the Focus survey (the market's median forecasts for inflation, policy rate, GDP and FX for this year and next, updated weekly). The essential context pack for any agent trading BRL pairs or emerging markets. Free sample, no payment: https://api.brazilayer.com/v1/mercado/amostra

Formatted settlement receipt for any Base transaction hash or Solana signature: timestamp, status, decoded token transfers, explorer link — records for x402 payments on either rail.

Trending topics for a location (worldwide by default; filter with country or woeid). Example: GET /api/trends?country=US

Give this API a web address and it will visit that page, then hand back everything an SEO professional needs to know: the page title, meta description, meta keywords, robots instructions, canonical link, H1/H2/H3 headings, how many links are on the page, and the HTTP status code. No setup required — just paste a URL and get structured data back in under two seconds.

Checks how well a Shopify store's products show up when AI shopping assistants such as ChatGPT, Gemini, Perplexity, Grok, and Copilot search for products, and reports the store's rank and its closest competitors. Searches Shopify's real Global Catalog - the same product index AI assistants read from.

Per-country sovereign economic / default-risk score (?country=<name or ISO3>)

Top stables ranked by mcap with peg deviation (now/24h/7d) + stability score + risk

Africa regional macro + geopolitical stress pulse (no params)

Returns a single random fact as JSON in exchange for a micropayment.

Crop-weather stress for the Brazilian belts that price global commodities: 7-day observed rain, 7-day FORECAST rain, consecutive dry days and 72h frost risk for the coffee belt (ICE KC), soybean belts (CBOT ZS), sugarcane (ICE SB), corn, orange and cocoa regions. Brazil is the top exporter of coffee, sugar, soybeans and OJ: weather here moves those futures. Updated twice daily. Free sample, no payment: https://api.brazilayer.com/v1/commodities/amostra