Signed market-state receipt for one exchange
Signed market-state receipt for one exchange. OPEN/CLOSED/HALTED/UNKNOWN - Ed25519 signed, 60s TTL.
Answeringour last check, 2026-10-02
1 of 1checks answered this week
365 msmedian answer time
$0.001listed price per call
$0.001price 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://headlessoracle.com/v5/status/x402
| Category | Market data |
|---|---|
| Provider host | headlessoracle.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 |
|---|---|---|---|---|
| 2026-10-02 | valid payment request | 402 | $0.001 | 365 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"mic": "XNYS"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
]
},
"queryParams": {
"additionalProperties": false,
"properties": {
"mic": {
"description": "ISO 10383 Market Identifier Code",
"enum": [
"XNYS",
"XNAS",
"XLON",
"XJPX",
"XPAR",
"XHKG",
"XSES",
"XASX",
"XBOM",
"XNSE",
"XSHG",
"XSHE",
"XKRX",
"XJSE",
"XBSP",
"XSWX",
"XMIL",
"XIST",
"XSAU",
"XDFM",
"XNZE",
"XHEL",
"XSTO",
"XCBT",
"XNYM",
"XCBO",
"XCOI",
"XBIN"
],
"type": "string"
}
},
"required": [
"mic"
],
"type": "object"
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"coverage": {
"description": "JSON-encoded string inside the signed bytes; JSON.parse it after verifying the signature. Added to the signed payload by commit 19ccb28 (2026-09-07); the example below predates it.",
"type": "string"
},
"expires_at": {
"description": "issued_at + 60s. Signed into the canonical payload - consumers must reject expired receipts.",
"format": "date-time",
"type": "string"
},
"halt_detection": {
"enum": [
"active",
"schedule_only"
]
},
"issued_at": {
"format": "date-time",
"type": "string"
},
"issuer": {
"const": "headlessoracle.com"
},
"mic": {
"description": "ISO 10383 Market Identifier Code",
"type": "string"
},
"public_key_id": {
"description": "Active key ID published at /v5/keys",
"type": "string"
},
"receipt_id": {
"format": "uuid",
"type": "string"
},
"receipt_mode": {
"enum": [
"demo",
"live"
]
},
"schema_version": {
"const": "v5.0"
},
"signature": {
"description": "Ed25519 signature over canonical (alphabetical, no-whitespace) JSON of the payload, hex-encoded.",
"pattern": "^[0-9a-f]{128}$",
"type": "string"
},
"source": {
"enum": [
"SCHEDULE",
"OVERRIDE",
"SYSTEM",
"REALTIME"
]
},
"status": {
"description": "UNKNOWN must be treated as CLOSED (fail-closed contract).",
"enum": [
"OPEN",
"CLOSED",
"HALTED",
"UNKNOWN"
]
}
},
"required": [
"receipt_id",
"issued_at",
"expires_at",
"issuer",
"mic",
"status",
"source",
"halt_detection",
"receipt_mode",
"schema_version",
"public_key_id",
"signature"
],
"type": "object"
},
"format": {
"const": "application/json"
},
"type": {
"const": "json"
}
},
"required": [
"type",
"example"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}