Runs pre-trade-gate (risk, sellability, route, deployer), b20-gate (seize/freeze/pause; N/A for non-B20 tokens), owner-powers and dump-risk in parallel on a Base token, with clanker-token-audit as provenance that never moves the verdict. Returns GO/HOLD/STOP, what each check saw, an unverified list, a max size held to 2% impact on the exit-liquidity read, and a receipt. GO only if every applicable check ran clean; if a gating check could not run there is no GO and no charge.

Get reputation score for any blockchain wallet address

Translate text to any language using AI

Get OHLCV candlestick data for charting and analysis

UK VAT number format + check-digit test: Checks a UK VAT number's format and HMRC check digits (mod 97 / 9755). Catches fake or mistyped VAT numbers instantly without an HMRC call. Use /v1/business/check to confirm live registration.

Summarize any text using AI. Returns a concise summary.

TikTok Profile & Videos: the latest public videos of one TikTok account by handle or tiktok.com/@ URL. Per video the caption, plays, likes, comments, shares, language, cover image link, time and URL, with the creator's name, verification and followers, in the shared social schema; next_cursor pages back. Bad input is free; not found or no match is not charged.

Deep fact-check with claim decomposition. Breaks compound claims into sub-claims (max 5), verifies each against source. Deterministic overall verdict.

TikTok Following List: the public accounts one TikTok account follows, by handle, one page per call with next_cursor. Per account the handle, name, bio, followers, following, posts and verification in the shared social schema. Bad input is free; not found or no match is not charged.

URL status check. Send one public URL; returns the HTTP status, every redirect hop, latency, content type and length, server header and, for https, the certificate issuer and days left. GET only; the body is never read or returned. A site that is down is an answer, not an error. Use to check a link before using it. Each payer can check a host 10 times a minute. To read the page use /v1/fetch-page. Typical response under 1 s. Failed calls are not charged.

X User Profile Lookup: one public X (Twitter) account by handle or x.com URL: display name, bio, followers, following, post count, verification, avatar link and creation time, in the shared social schema. Bad input is free; not found or no match is not charged.

Which parts of a report did a later DART correction change? Send a Korean listed company, the receipt numbers your report cites and/or its text; get corrections in the window, each cited filing marked CURRENT, SUPERSEDED or WITHDRAWN, and numbers equal to a corrected old value marked STALE. Matching is literal, so check each match. POST /v1/impact.

Cheapest way to test this API and your x402 wallet. Returns the same one-line healthy/watch/distress verdict + fraud-risk flag as /v1/verdict, for one of these sample tickers: AAPL, MSFT, NVDA, TSLA, META, BRK-B, JPM, CVX, KO, SMCI (query ticker=, default AAPL). Data: SEC EDGAR 10-K XBRL. Errors are never charged (bad tickers rejected before payment; failed calls not settled).

AI-powered code review. Returns bugs, improvements, and security issues.

Look up any EVM chain by chain ID or name (8453, base, arbitrum): chain ID in decimal and hex, native currency, public RPC URLs, block explorers and testnet flag. Use to configure wallets, RPCs or cross-chain apps.

Foundations Elements search

Current EIP-1559 gas fees for Ethereum, Base, Arbitrum, Optimism or Polygon: next base fee, slow/standard/fast priority and max fee in gwei, block utilisation and the cost of a plain transfer (L2 L1-data fees excluded). Use right before sending a transaction or to compare chains.

Linkrra Synap: OpenAI gpt-oss-20b (model "gpt-oss-20b") - fast + cheap general model. OpenAI-compatible chat completions for this one model, 32K context, served only on dedicated GPUs we operate, native 4-bit MXFP4. Pay per call in USDC on Base via x402 - no account, no API key. From $0.001 per call, usage-priced per token above that (GET /v1/models). Streaming supported. Product site: https://synap.linkrra.com

The Crypto Fear & Greed Index (0 extreme fear to 100 extreme greed) for today, with up to a year of daily history. Use as a market-sentiment signal for trading, newsletters or answering how the crypto market feels.

US Treasury par yield curve from 1 month to 30 years (percent) for the latest day or any date since 1990, with 10y-2y and 10y-3m spreads, inversion flag and up to 60 days of history. Use for risk-free rates, discounting, macro analysis or answering where 10-year yields are.