resources/The Sealer/POST /api/attest
POSTorigin reachablediscovery only

Statements, Cards, Sleeve, Sealer IDPOST /api/attest · x402 API by The Sealer

Onchain credentials for AI agents. Statement .10 � Statement Card .15 � Sleeve .15 � Sealer ID .20 mint / .10 renewal. Pass format param: statement, card, sleeve, or sid. Pay with USDC via x402 on Base or Solana.

https://thesealer.xyz/api/attest

What does this x402 API do?

Statements, Cards, Sleeve, Sealer ID. This is an x402-gated POST API resource from The Sealer. TOLL·402 did not invoke this route automatically because doing so was not considered safe. The listing records $0.1 USD-denominated per request on Base. No settled paid call has been verified.

Published price
$0.1 USD-denominated per request
Networks
Base
Latest evidence
TOLL·402 did not invoke this route automatically because doing so was not considered safe
Resource ID
e3df6208a4d9b244d87316cf
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://thesealer.xyz/api/attest", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
  "replace": "with provider-approved input"
}),
});

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.

Review the provider input schema before running this non-read-only method. No payment code is included.

STATUS HISTORY

  1. Exact route checked

    not safely testable · potentially-mutating-method:POST

  2. Origin reachable

    HEAD https://thesealer.xyz/ returned 200.

  3. Observed in 402-index

    Discovered through self-registered.

  4. Registry record checked

    Registry health: healthy.

What evidence supports this listing?

402-indexobserved 2026-08-11 · open source record ↗
origin checkHEAD https://thesealer.xyz/ → 200 on 2026-08-15
route quotenot invoked automatically · potentially-mutating-method:POST · 2026-08-15

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 $0.1 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.

The registry did not expose full payment options for this record.
The Sealer POST /api/attest · e3df62 x402 API · TOLL·402