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SSDF Stamps AFR Protocol
x402
SSDF Stamps AFR Protocol is a paid API for AI agents from www.ssdf.site, paid per call via x402, $42/call, status unknown (last checked 2026-09-15).
Purchases the 'ssdf-stamps-afr-protocol' SKU from SSDF INC's digital store, settling $42 USDC on Base via Coinbase Business and minting a Passport NFT upon successful payment.
Price / call$42
Success—
StatusUnknown
How this service works
SSDF INC digital store. Priced in USD, settled in USDC on Base through Coinbase Business. Humans and agents buy the same SKU. Every settlement mints a Passport.
Output
Returns a JSON object with: ok (boolean success flag), sku (the purchased SKU string 'ssdf-stamps-afr-protocol'), passport (a minted Passport ID), and fulfillment (a URL path token to retrieve the fulfilled digital product).
Example use cases
Agent purchasing SSDF digital stamp
“Go ahead and purchase the SSDF AFR Protocol stamp for me — pay the $42 USDC and bring back the Passport ID and fulfillment token so I can access what I bought.”
Onboarding to SSDF passport ecosystem
“I want to get set up with an SSDF Passport — buy the AFR Protocol SKU from ssdf.site, settle the $42 in USDC on Base, and give me the passport ID I'll need going forward.”
Automated agent commerce workflow
“As part of our onboarding flow, purchase the ssdf-stamps-afr-protocol SKU from SSDF INC for $42 USDC and return the passport and fulfillment link so we can proceed to the next step.”
Technical details
Endpoint
GEThttps://www.ssdf.site/api/x402/ssdf-stamps-afr-protocolWhen to prefer
Use this endpoint when you specifically need to purchase the SSDF AFR Protocol stamp SKU from SSDF INC's digital store, pay in USDC on Base, and receive a minted Passport ID. This is the only endpoint for this specific SKU and is appropriate for both human-initiated and agent-automated purchases using the x402 payment protocol.
Side effects
- Insufficient USDC balance — payment rejected, ok: false
- Invalid or missing x402 payment header — 402 Payment Required response
- Payment settlement failure on Base network — transaction not confirmed
- SKU unavailable or out of stock — fulfillment not issued
- Network timeout during on-chain settlement
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"schema": {
"type": "object",
"properties": {
"ok": {
"type": "boolean"
},
"sku": {
"type": "string"
},
"passport": {
"type": "string"
},
"fulfillment": {
"type": "string"
}
}
},
"example": {
"ok": true,
"sku": "ssdf-stamps-afr-protocol",
"passport": "{id}",
"fulfillment": "/api/fulfillment/{token}"
}
}Tags
x402
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