d21 signal_latest
GO-TO PRODUCT: today's Daily Agent Signal — ranked, dated x402/agent-commerce marketplace intelligence (seller pricing, payer-count shifts, settle cadence read from Base, listing churn) with judgment, buyer_value, action_hint, falsifiable calls, sources. Free before paying: /health sha256, /v1/signal_latest/example, and /signal/scorecard.json (every dated call scored, our misses included). Pass expect_sha256 to pay only for the revision you checked. Not general crypto news — see…
Offering
- Provider
- draconic21-x402-api.onrender.com
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Blockchain And Crypto
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://draconic21-x402-api.onrender.com/v1/signal_latest- MIME type
- Not provided
- First seen
- 2026-10-16T01:50:32.458Z
- Last seen
- Tags
- agent-economy, daily-brief, market-intelligence, ai-agent-news, curated-research
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.03 USDC
Atomic price: 30000 · Network: eip155:8453 · Asset: USDC · Scheme: exact - Payment option 2
- 0.03 USDC
Atomic price: 30000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "30000",
"payTo": "0x1520Ef5530AA71350049BE2903Cf078B38c40AE5"
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "30000",
"payTo": "6mc4GhWFyNcMh7gAVDWrKeYjDqFtEKWKQuZ9RTw2VkfM"
}
]Observed health
- Status
- Healthy
- Latest latency
- 138 ms
- Average latency
- 177 ms
- HTTP status
- 204
- Last checked
- Reachability
- 100% over 7 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": true,
"properties": {
"expect_sha256": {
"description": "Optional. Lowercase hex sha256 of the brief you verified at free GET /health signal.sha256. If the live revision differs you get 409 with the current date/sha256 and no payment is taken.",
"pattern": "^[0-9a-f]{64}$",
"type": "string"
}
},
"required": [],
"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 schema
{
"properties": {
"example": {
"properties": {
"archive_honesty": {
"properties": {
"note": {
"type": "string"
},
"stored_day_count": {
"type": "integer"
}
},
"type": "object"
},
"brand": {
"type": "string"
},
"curator_judgment": {
"properties": {
"archive_day_count": {
"type": "integer"
},
"editor_pick_id": {
"type": "string"
},
"one_liner": {
"type": "string"
}
},
"type": "object"
},
"date": {
"type": "string"
},
"disclaimer": {
"type": "string"
},
"generated_at": {
"type": "string"
},
"machine": {
"properties": {
"archive_day_count": {
"type": "integer"
},
"go_to_product": {
"type": "string"
}
},
"type": "object"
},
"product": {
"type": "string"
},
"research_meta": {
"properties": {
"collection_at": {
"type": "string"
},
"method": {
"type": "string"
}
},
"type": "object"
},
"schema": {
"type": "string"
},
"signals": {
"items": {
"properties": {
"action_hint": {
"type": "string"
},
"buyer_value": {
"type": "string"
},
"confidence": {
"type": "string"
},
"curator_edge": {
"type": "string"
},
"headline": {
"type": "string"
},
"id": {
"type": "string"
},
"judgment": {
"type": "string"
},
"rank": {
"type": "integer"
},
"sources": {
"items": {
"type": "string"
},
"type": "array"
},
"vs_prior": {
"type": "string"
},
"why_it_matters": {
"type": "string"
}
},
"required": [
"id",
"rank",
"headline",
"judgment",
"buyer_value",
"action_hint",
"sources"
],
"type": "object"
},
"type": "array"
},
"summary": {
"type": "string"
}
},
"required": [
"schema",
"date",
"generated_at",
"curator_judgment",
"archive_honesty",
"signals",
"disclaimer"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}