resources/vaults.fyi/HEAD /v2/networks
HEAD402 quotelive quote

vaults.fyi /v2/networks APIHEAD /v2/networks · x402 API by vaults.fyi

Retrieves a complete list of supported blockchain networks with their identifiers including network name, chain ID, and CAIP format identifier.

https://api.vaults.fyi/v2/networks

What does this x402 API do?

vaults.fyi /v2/networks API. This is an x402-gated HEAD API resource from vaults.fyi. TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-05. No normalized USD price is recorded; the listing names Base. No settled paid call has been verified.

Published price
No normalized USD price is recorded
Networks
Base
Latest evidence
TOLL·402 confirmed a protocol-valid HTTP 402 quote on 2026-08-05
Resource ID
c4c3d77319c9e49c2b9d947a
USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE
AI CODING TOOLS
quote-check.ts
const response = await fetch("https://api.vaults.fyi/v2/networks", {
  method: "HEAD",
});

console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));

// A valid 402 is a quote, not a completed paid call.

This sends no payment. Inspect the 402 response before adding a wallet-enabled client.

STATUS HISTORY

  1. Observed in cdp-bazaar

    The registry record was observed and retained with provenance.

  2. Live 402 quote confirmed

    HEAD returned a protocol-valid 402 quote (402). No payment was made.

  3. Origin reachable

    HEAD https://api.vaults.fyi/ returned 301.

What evidence supports this listing?

cdp-bazaarobserved 2026-08-05 · open source record ↗
origin checkHEAD https://api.vaults.fyi/ → 301 on 2026-08-04
route quotelive 402 quote confirmed · HEAD 402 · 2026-08-05

Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →

Which networks and payment options does it accept?

The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.

Baseexact2000 atomic · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Basebatch-settlement2000 atomic · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
vaults.fyi HEAD /v2/networks · c4c3d7 x402 API · TOLL·402