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SCVD General Store — Attestation Bundle
x402
SCVD General Store — Attestation Bundle is a paid API for AI agents from scvd.store, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-28).
Returns a signed bundle of settlement attestations for 2–20 Base transaction hashes, with a patron certificate and badge.
Price / call$0.05
Success—
StatusUnknown
How this service works
A Sheaf of Attestations. REQUIRES ?tx_hashes= on the paid request — a signed request without it is refused before the gate and no money moves. Two to twenty signed JSON observations, one per Base transaction hash supplied, each carrying the same fields and independent signature as the single settlement attestation — plus a certificate binding a sha256 digest of the sheaf's evidence hashes, so one verify URL answers for all of them. Instant. Full listing: https://scvd.store/m…
Output
A JSON object containing: a full text 'sheaf of attestations' for each supplied transaction hash, an ed25519 signature over the bundle, a permanent verify URL, a signed patron certificate with cert_id and date, a patron badge SVG URL, the patron number, the amount paid in USDC, and an optional tip field.
Example use cases
Auditing a batch of agent micropayments
“I need a signed attestation bundle for these five Base transaction hashes from our agent's x402 spending last week — can you pull that from SCVD General Store and label it under 'AuditBot 3'? Hashes: 0x1111...a, 0x2222...b, 0x3333...c, 0x4444...d, 0x5555...e.”
Proving settlement to a downstream counterparty
“We need to prove to our partner that ten x402 payments actually settled on Base — can you get a signed attestation bundle from SCVD for these ten transaction hashes and share the verify URL with them?”
Compliance record for agent payment log
“For our monthly compliance file, please pull a signed attestation bundle from SCVD General Store covering these three Base tx hashes and name the certificate 'ComplianceAgent July 2026'.”
Technical details
Endpoint
GEThttps://scvd.store/api/buy/attestation_bundle?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a cryptographically signed, human-readable attestation bundle for 2–20 Base blockchain transaction hashes in one call — especially in x402 payment workflows where you need a trust artifact, patron certificate, and permanent verify URL in a single response. Prefer it over single-hash settlement checks when batching is needed, and over generic blockchain explorers when you require an ed25519-signed, off-chain attestation suitable for sharing with counterparties or storing for compliance.
Side effects
- Fewer than 2 or more than 20 transaction hashes supplied — schema validation error
- Duplicate transaction hashes in the list — rejected by pattern validation
- Malformed hash (not matching 0x[64 hex chars]) — schema validation error
- Transaction hash not yet confirmed on Base — attestation may reflect unconfirmed state
- Payment not received or x402 payment flow failed — endpoint returns 402 or payment error
- Network timeout contacting scvd.store — no bundle returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"item_id": "attestation_bundle",
"message": "Pleasure doing business. Here's your goods, warm off the shelf.",
"tip_usdc": 0,
"badge_url": "https://scvd.store/badges/41.svg",
"paid_usdc": 0.05,
"signature": "<128 hex chars, ed25519>",
"verify_url": "https://scvd.store/api/verify/<your cert_id>",
"certificate": {
"date": "2026-07-22T15:04:05.000Z",
"item": "attestation_bundle",
"cert_id": "<cert_ + 12 chars, minted when this purchase settles>",
"patron_number": 41
},
"deliverable": "<the A Sheaf of Attestations itself, as text>",
"patron_number": 41
}
}Tags
x402
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