One RFC 3161 timestamp receipt over a digest you supply
One RFC 3161 timestamp receipt over a digest you supply. No account and no API key: the response is the whole deliverable. Your data is never sent - only its hash - and nothing about the request is retained here.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
1075 msmedian answer time
$0.05listed price per call
$0.05price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://api.satledger.org/x402/receipt
| Category | Everything else |
|---|---|
| Provider host | api.satledger.org |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.05 | 1075 ms |
Example input (from the provider)
{
"body": {
"digest": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"description": "Send `digest` for one, or `digests` for up to 10 in a single call and a single payment. A batch is bound to one timestamp by a Merkle root, and each digest comes back with the proof that binds it there.",
"oneOf": [
{
"required": [
"digest"
]
},
{
"required": [
"digests"
]
}
],
"properties": {
"digest": {
"description": "SHA-256 of whatever you want timestamped, as 64 hex characters. Hash it yourself; the data never leaves your side.",
"pattern": "^[0-9a-fA-F]{64}$",
"type": "string"
},
"digests": {
"description": "Up to 10 SHA-256 hashes. Requires the batch price; the single price permits one.",
"items": {
"pattern": "^[0-9a-fA-F]{64}$",
"type": "string"
},
"maxItems": 10,
"minItems": 1,
"type": "array"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}