Only the federal contract awards changed since your cursor (delta of /v1/contrac
Only the federal contract awards changed since your cursor (delta of /v1/contrac — Keyset delta of /v1/contracts/awards: pass since=<next_cursor from your last call> and get only the federal contract awards added or changed after it, plus changed_count and a new next_cursor. Omit since once to bootstrap. Cursors are stable across restarts. Poll the free sibling /v1/contracts/awards/changes for…
Answeringour last check, 2026-09-24
1 of 1checks answered this week
583 msmedian answer time
$0.01listed price per call
$0.01price 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
GET https://x402-factory.com/v1/contracts/awards/delta
| Category | Everything else |
|---|---|
| Provider host | x402-factory.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 583 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"since": {
"description": "Opaque cursor from a previous next_cursor; omit once to bootstrap a cursor at now",
"maxLength": 300,
"minLength": 4,
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"additionalProperties": false,
"properties": {
"as_of": {
"type": "string"
},
"changed_count": {
"maximum": 9007199254740991,
"minimum": 0,
"type": "integer"
},
"next_cursor": {
"type": "string"
},
"rows": {
"items": {
"additionalProperties": false,
"properties": {
"agency": {
"type": "string"
},
"award_date": {
"type": "string"
},
"description": {
"type": "string"
},
"id": {
"type": "string"
},
"sub_agency": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"value_usd": {
"type": "number"
},
"vendor": {
"type": "string"
}
},
"required": [
"id",
"vendor",
"agency",
"sub_agency",
"description",
"value_usd",
"award_date"
],
"type": "object"
},
"type": "array"
}
},
"required": [
"rows",
"changed_count",
"next_cursor",
"as_of"
],
"type": "object"
},
"meta": {
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}