Detect economically material changes to SAM.gov federal contract opportunities,
Detect economically material changes to SAM.gov federal contract opportunities, including deadline moves, solicitation amendments, attachment changes, set-aside, NAICS, status, and award changes. Returns an immutable before/after delta with materiality, reason codes, and provenance for procurement and capture agents.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
842 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://myc-staging.crescadia.com/v1/paid/products/:product_event_id
| Category | Commerce and shopping |
|---|---|
| Provider host | myc-staging.crescadia.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 3 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 | $0.01 | 842 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"product_event_id": "product_5b0221871e05ed90476245bc0d55484f"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"properties": {
"product_event_id": {
"description": "Immutable MYC priced product event identifier.",
"type": "string"
}
},
"required": [
"product_event_id"
],
"type": "object"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"changed": {
"type": "boolean"
},
"confidence": {
"type": "number"
},
"event_count": {
"type": "integer"
},
"events": {
"items": {
"properties": {
"current": {},
"event": {
"type": "string"
},
"field": {
"type": "string"
},
"materiality": {
"type": "number"
},
"previous": {},
"reason": {
"type": "string"
}
},
"required": [
"field",
"event",
"materiality",
"reason"
],
"type": "object"
},
"type": "array"
},
"material_changed": {
"type": "boolean"
},
"material_event_count": {
"type": "integer"
},
"notice_id": {
"type": "string"
},
"product": {
"properties": {
"event_digest": {
"type": "string"
},
"price": {
"properties": {
"amount": {
"type": "string"
},
"currency": {
"type": "string"
}
},
"required": [
"amount",
"currency"
],
"type": "object"
},
"product_event_id": {
"type": "string"
},
"product_id": {
"type": "string"
},
"product_version": {
"type": "string"
}
},
"required": [
"product_event_id",
"product_id",
"product_version",
"event_digest",
"price"
],
"type": "object"
},
"provenance": {
"type": "object"
},
"source": {
"type": "string"
}
},
"required": [
"notice_id",
"changed",
"material_changed",
"event_count",
"material_event_count",
"events",
"source",
"confidence",
"provenance",
"product"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}