the402 x402 endpoint directory

Base-chain ecosystem news for Base-native agents, not the general crypto firehose. Up to 12 Base-scoped headlines from

AgentWire service card for webhook inbox relay and web fetch infrastructure.

Repairs malformed JSON text into valid parsed JSON.

Cheap preflight checks if a URL can be fetched by Minifetch's user agent before making requests to the other paid Mini

Returns listed Morpho Blue lending markets on Base.

The Crypto Fear & Greed index: the current market-sentiment score (0–100) and its classification (Extreme Fear → Extre

Returns multi-chain RPC plus attested enrichment in one call.

Returns realtime crypto market news with sentiment analysis.

Get a product's packages, pricing, and recipient requirements before creating an invoice.

One paid call for 0.001 USDC that settles a real payment and answers immediately: the cheapest way to prove a wallet,

Crypto prediction markets on Polymarket: the highest-volume open BTC, ETH and crypto markets with live odds (outcome p

Real-time current weather conditions for a city or location, including temperature, humidity, precipitation, wind, and

Discover the Bitrefill x402 storefront: supported networks, the full route flow, and wallet persistence rules.

IP geolocation: country, region, city, coordinates, and timezone for any IPv4 or IPv6 address. Fast in-memory lookup f

OpenAI-compatible chat on 100+ Venice models via x402 USDC (Base). Model from GET /api/v1/models?type=text; personas v

Returns realtime gas price estimates across EVM chains.

Highest-yield DeFi pools across every chain and protocol, filterable by chain, project, or asset symbol: each pool ret

Proxies JSON-RPC calls to Base on dedicated nodes, pay per request.

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each respon

Returns the tradeable crypto pair universe on Gains Network.

Returns DeFi yield opportunities across 80+ networks.

IXS Real world asset vaults — 6% yields, BlackRock exposure, tokenized on-chain

Generates images from text using Venice models.

Async music/audio-track generation on Venice (Stable Audio, ElevenLabs Music, MiniMax, Lyria, ACE-Step), paid per requ

START HERE — the cheapest answer we sell ($0.001) and the first call most agents make. Is crypto risk-on right now? Wh

Low-cost gateway health probe for real x402 settlement checks

Trending DEX pools right now — Base, Ethereum, Solana, Polygon, BSC, Arbitrum, Optimism, Avalanche, or network=all for

Returns IXS real world asset vault data with yields.

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with

DNS Lookup API. Resolve domain DNS records and receive structured JSON with A, AAAA, MX, NS, TXT, CAA, and SOA records

Is USDC/USDT/DAI holding its $1 peg, and is stablecoin supply growing or shrinking (risk-on vs risk-off)? Live peg dev

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with

Historical token price time series by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): a da

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with

Robinhood Chain memecoin intelligence: rug-screened RH Chain (4663) movers. Hard liquidity + wash-volume gates filter

Converts text to speech using Venice voices.

Returns text embeddings for retrieval and semantic search.

Resolve any domain in one call: A/AAAA, MX, NS, CNAME, SOA and TXT records, plus parsed email-auth posture — SPF polic

Attested Hedera network facts: HBAR exchange rate, gas fees, supply, node roster, throughput, topic state. Each respon

Pay-per-call JSON-RPC proxy to 20+ EVM and Starknet networks on Venice, paid per request in USDC on Base via x402, no

Proxies JSON-RPC calls to Ethereum on dedicated nodes.

BTC Volatility Risk Premium — DVOL minus Parkinson realized vol (72h). Positive = sell-vol opportunity, negative = buy

Onchain loyalty platform on Base Network. Businesses launch branded rewards in minutes, customers earn real value with

Latest Henry Hub natural gas spot price (USD/MMBtu), sourced from the U.S. Energy Information Administration. Data lag

Returns a USD token price by symbol or contract.

AI-filtered crypto news and Twitter search for non-token topics (airdrops, DeFi trends, etc). Max 2 words.

URL uptime and website health check for AI agents. Verify reachability, exact HTTP status, latency, content type, and

Scans native balance and ERC-20 token balances for a wallet address on Base or Ethereum.

DeFi Total Value Locked (TVL) by blockchain or by protocol. Default returns the top chains ranked by TVL in USD; pass

Get a Firebase ID token for authenticating with the callable APIs