GO-TO PRODUCT
GO-TO PRODUCT: what changed in the Daily Agent Signal since a date you read: complete added, changed (fields plus before/after) and removed records, diffed against our stored archive. Body { since_date }. Free first: /v1/signal_delta/availability?since_date= (absent baseline is 422, no charge) and /v1/signal_delta/example.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
196 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://draconic21-x402-api.onrender.com/v1/signal_delta
| Category | Commerce and shopping |
|---|---|
| Provider host | draconic21-x402-api.onrender.com |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| 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 |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.05 | 196 ms |
Example input (from the provider)
{
"body": {
"since_date": "2026-09-19"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"since_date": {
"description": "Stored baseline date in YYYY-MM-DD format; check free availability first.",
"format": "date",
"type": "string"
}
},
"required": [
"since_date"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"added": {
"items": {
"properties": {
"confidence": {
"type": "string"
},
"headline": {
"type": "string"
},
"id": {
"type": "string"
},
"judgment": {
"type": "string"
},
"rank": {
"type": "integer"
},
"sources": {
"items": {
"type": "string"
},
"type": "array"
},
"vs_prior": {
"type": "string"
}
},
"required": [
"id",
"rank",
"headline"
],
"type": "object"
},
"type": "array"
},
"archive_day_count": {
"type": "integer"
},
"archive_total_days": {
"type": "integer"
},
"baseline_date": {
"type": "string"
},
"brand": {
"type": "string"
},
"changed": {
"items": {
"properties": {
"after": {
"properties": {
"confidence": {
"type": "string"
},
"headline": {
"type": "string"
},
"id": {
"type": "string"
},
"judgment": {
"type": "string"
},
"rank": {
"type": "integer"
},
"sources": {
"items": {
"type": "string"
},
"type": "array"
},
"vs_prior": {
"type": "string"
}
},
"required": [
"id",
"rank",
"headline"
],
"type": "object"
},
"before": {
"properties": {
"confidence": {
"type": "string"
},
"headline": {
"type": "string"
},
"id": {
"type": "string"
},
"judgment": {
"type": "string"
},
"rank": {
"type": "integer"
},
"sources": {
"items": {
"type": "string"
},
"type": "array"
},
"vs_prior": {
"type": "string"
}
},
"required": [
"id",
"rank",
"headline"
],
"type": "object"
},
"changed_fields": {
"items": {
"type": "string"
},
"type": "array"
},
"id": {
"type": "string"
}
},
"required": [
"id",
"changed_fields",
"before",
"after"
],
"type": "object"
},
"type": "array"
},
"comparison_status": {
"enum": [
"compared",
"no_new_archive_day"
],
"type": "string"
},
"counts": {
"properties": {
"added": {
"type": "integer"
},
"changed": {
"type": "integer"
},
"removed": {
"type": "integer"
},
"unchanged": {
"type": "integer"
}
},
"required": [
"added",
"changed",