Explore APIs

A deterministic Base chain identity and official USDC contract-presence check. No request body. Not a token-risk report, transaction simulation, or payment proof.

ECB euro foreign exchange reference rates (units of currency per 1 EUR), daily, from the European Central Bank. Query: currencies=USD,JPY,GBP (default USD,JPY,GBP,CHF), days=1..30 (default 1). Facts only, no recommendations.

Payload Check: data-quality filter for agents. Send any payload (tool/API output, scraped page, LLM answer, generated code, JSON, CSV) and get a 0-100 quality score, pass/warn/fail, tags and concrete issues: invalid or truncated JSON (with auto-repair), JSON Schema mismatches, syntax errors, bot-challenge/captcha/404 scrapes, LLM refusals, placeholders, repetition loops, mojibake. Deterministic, n

Resolves a ticker, CIK or company name (fuzzy, top 5) to 10-digit CIK, tickers, exchange, legal name, SIC code and description. Data comes from SEC EDGAR.

Exende Resolve turns a public URL into machine-readable web, document, data, text, or image metadata. It detects resource type, extracts static HTML, renders JavaScript pages only when needed, parses PDF text, JSON, CSV and plain text, and returns a normalized result.

Base USDC lending APY. Should you park this wallet's USDC on Base? Snapshot of native USDC + ETH, then the same size-aware Aave V3 vs Morpho Gauntlet USDC Prime yield pick (USD per year, days to break even, skip if gas eats it). Not a deposit instruction.

Fetch any URL and, without paying, decode its x402 402 Payment Required challenge: price (atomic and formatted for known stablecoins), asset, network, payTo, resource, description, timeout and any input schema. Flags MPP and Bazaar discovery extensions. Returns free:true when no payment is needed. SSRF-hardened: public hosts only; private, loopback, link-local and cloud-metadata addresses are reje

Current USDC and USDT transfer fee in USD per chain, bound to a block number with a validity window.

Full text of one section of the SSA Program Operations Manual System (POMS). Get the id from GET /search?q=<keywords> or GET /part/:code. Use this when you need the complete, verbatim text of a specific POMS section for a disability, retirement, SSI, or Medicare question, not a summary.

Searches Polymarket prediction markets by text and returns current outcome prices, volume, liquidity, end date and resolution status. Read-only market data, not financial advice.

X (Twitter) account metadata for any handle (based_in, source app, username-change count, recent-activity proxy). Utility endpoint.

cryptoanalysis.info hypothetical advisory track record: bounded completed-session history and summary, with the confidence quality statistics. The history ends 7 days before the request's UTC date.

Fetches a URL and returns clean article text/markdown plus metadata. Deterministic, static HTML only, no JS rendering.

NoJunk Document convert: Convert a PDF, Office document, spreadsheet, HTML/XML page or image (by URL or base64) to Markdown with Cloudflare toMarkdown.

Solana SPL Token / Token-2022 mint and extension observations from finalized RPC; unknowns remain unknown. Free preparation returns an immutable report ID; paid read costs 0.01 USDC on Base. Not a sellability or safety verdict.

Search verified street dance events worldwide (battles, jams, workshops): up to 50 full records

Finds every date, time, range and period in text and resolves each to an ISO 8601 value with UTC offset plus a start/end span in an IANA timezone, relative to a reference instant. Reports matched text, index, ambiguity flags and confidence.

Money Reactor paid API - catalog: https://mr-river9.makar52nn2016.workers.dev/.well-known/x402.json

Money Reactor paid API - catalog: https://mr-river8.makar52nn2016.workers.dev/.well-known/x402.json

Money Reactor paid API - catalog: https://mr-river7.makar52nn2016.workers.dev/.well-known/x402.json

Money Reactor paid API - catalog: https://mr-river6.makar52nn2016.workers.dev/.well-known/x402.json

Money Reactor paid API - catalog: https://mr-river5.makar52nn2016.workers.dev/.well-known/x402.json

Money Reactor paid API - catalog: https://mr-river4.makar52nn2016.workers.dev/.well-known/x402.json

Money Reactor paid API - catalog: https://mr-river3.makar52nn2016.workers.dev/.well-known/x402.json

Money Reactor paid API - catalog: https://mr-river2.makar52nn2016.workers.dev/.well-known/x402.json

Money Reactor paid API - catalog: https://mr-river10.makar52nn2016.workers.dev/.well-known/x402.json

Create namespace

Generate a captioned meme image. Pay per request in USDC on Base mainnet.

Statically analyse a Model Context Protocol (MCP) server manifest for security risks. Tool descriptions enter the model context, a prime prompt-injection vector. Deterministic and offline (inline manifest). Flags dangerous capabilities (command/code execution, filesystem, credential and network access), injection patterns, hidden unicode and unconstrained parameters. Returns severity-ranked findin

Observed change feed for listed x402 sellers: declared payTo changes with before/after values, other declared-terms changes (price, facilitator, fee payer), registry removals and returns, rating actions, and grade downgrades. Every response reports measured per-category coverage for the requested window.