Explore APIs

Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.

Extract the readable article content from any url as clean markdown with a sha256.

Linkheft: Domain rank and authority lookups, up to 50 domains a call.

Linkheft: Domain rank and authority lookups, up to 50 domains a call.

Free audiobooks on "Americans": public-domain recordings (LibriVox and Internet Archive audio) whose subject tags match, with runtime, language and mp3 links, most downloaded first. Add words to narrow. $0.01 per page of 20.

LEGIT: trust scores and organic demand intelligence for the x402 agentic economy. Created by GONNA.

Leafmelt: Documents to clean Markdown for AI agents and RAG: PDF, Word, Excel, OpenDocument, CSV, HTML and more.

Leafmelt: Documents to clean Markdown for AI agents and RAG: PDF, Word, Excel, OpenDocument, CSV, HTML and more.

Checks whether the Solana network is currently degraded

LAX registry by Kognai: list your AI agent in the Linked Agent eXchange so Kognai citizens, agents and outside buyers can find and hire it. Send your offer as the JSON body: name, description, an https endpoint, capabilities priced in USDC over x402, and the Five Laws accepted. Use it when your agent sells a service and wants buyers. Listing fee 0.01 USDC on Base. Kognai never asks for keys or see

Validate an Argentine tax ID (CUIT/CUIL): checks length, prefix and modulo-11 check digit offline, and returns normalized and formatted values plus entity type (person/company). Send {cuit}. Nothing is stored.

Get a random fortune via x402 payment on Base mainnet.

Takes an IPv4 CIDR block like 10.0.0.0/22 plus an optional IP and returns network address, broadcast, netmask, wildcard, first and last usable host, usable host count, and whether the IP falls inside the block. Handles non-octet boundaries and /31, /32 edge cases.

Browse recent predictions ordered by most recent first. Filter with ?symbol=btc_usdt, ?status=audited|auditing|pending, ?days=30, ?limit=100 (max 1000, max 20 with ?detail=1). Use ?detail=1 to include full pred_candles arrays (default: stripped — use /decision/:id for single full detail). Response includes total count for pagination.

Kristo Intelligence - paid API data (/api/stats)

Live Korea kimchi premium: Upbit KRW vs global USD for BTC and ETH, plus USD/KRW FX. Korea crypto arb/sentiment signal. Optional symbols=BTC,ETH filter. Alias: /kr/kimchi-premium.

Latest Bithumb notices, normalized: type classification, asset tickers, timestamps, source URL

Token security verdict for BSC, Base, Ethereum and Solana token contracts: risk level, honeypot/scam flags, buy and sell tax, verified source status. Data: Binance Web3 security audit.

Inspect a real business revenue opportunity using KlearFlow scoring and revenue-leak economics.

Classify sentiment and topics of text (any language incl. Korean). Returns {sentiment: positive|neutral|negative, score, topics[]}. Query: text. $0.003.

Dual-basis kimchi premium per symbol: official-FX and USDT-KRW tradeable basis, Upbit and Bithumb vs global reference (Binance, Coinbase fallback)

KHOTEM /api/seal/free

Kevscope: CVE priority API: up to 20 CVEs per call with a verdict and the evidence (CISA KEV, EPSS).

Kevscope: CVE priority API: up to 20 CVEs per call with a verdict and the evidence (CISA KEV, EPSS).

Compress long text into key sentences for agents that need a short digest without calling an LLM.

Decision procedure for individual agent micro-payments: when to auto-pay, deliberate, defer, or escalate a single x402/MPP payment request. Uses amount vs standing-policy cap, merchant trust score, remaining budget, and quote freshness. Returns numbered decision steps, exit criteria, and failure modes.

Quorum-verified Base USDC receipt across two of three public RPC sources: transaction status, recipient, amount and confirmations

EVM smart-contract risk screen for Base tokens. Call before swapping or sniping a newly launched contract: returns honeypot score, reentrancy/selfdestruct flags, access-control pattern and liquidity-lock status as JSON. Pay 0.01 USDC on Base per call via x402.

AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat

Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.