Obol
Bounded exact historical Kraken best bid, best ask, and spread percentage snapshot
Offering
- Provider
- obol.danieldutoit.net
- Method
- GET
- 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://obol.danieldutoit.net/v1/markets/kraken/orderbook-top?base=BTC"e=USD×tamp=1788962867- MIME type
- Not provided
- First seen
- 2026-10-16T03:25:59.412Z
- Last seen
- Tags
- blockchain-data, market-data, kraken, Orderbook, X402, a2a
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "1000",
"payTo": "0x4094383033C1861E2686eaC4d4BBae6F0031F5d2"
}
]Observed health
- Status
- Healthy
- Latest latency
- 759 ms
- Average latency
- 1375 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 14 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"type": "object",
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"type": "string",
"enum": [
"GET"
]
},
"queryParams": {
"type": "object",
"properties": {
"timestamp": {
"type": "string",
"pattern": "^(?:[1-9][0-9]{0,10}|1[0-9]{11}|2[0-4][0-9]{10}|25[0-2][0-9]{9}|253[0-3][0-9]{8}|25340[01][0-9]{6}|253402[0-2][0-9]{5}|253402300[0-6][0-9]{2}|2534023007[0-8][0-9]|25340230079[0-9])$",
"maxLength": 12,
"examples": [
"1786579500",
"253402300799"
]
},
"base": {
"type": "string",
"pattern": "^[A-Z0-9](?:[A-Z0-9-]{0,14}[A-Z0-9])?$"
},
"quote": {
"type": "string",
"pattern": "^[A-Z0-9](?:[A-Z0-9-]{0,14}[A-Z0-9])?$"
}
},
"required": [
"timestamp",
"base",
"quote"
],
"additionalProperties": true
}
},
"required": [
"type",
"method"
],
"additionalProperties": false
}Output schema
{
"type": "object",
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"exchange": {
"type": "string",
"const": "KRAKEN"
},
"timestamp": {
"type": "string",
"pattern": "^(?:[1-9][0-9]{0,10}|1[0-9]{11}|2[0-4][0-9]{10}|25[0-2][0-9]{9}|253[0-3][0-9]{8}|25340[01][0-9]{6}|253402[0-2][0-9]{5}|253402300[0-6][0-9]{2}|2534023007[0-8][0-9]|25340230079[0-9])$",
"maxLength": 12,
"examples": [
"1786579500",
"253402300799"
]
},
"base": {
"type": "string",
"pattern": "^[A-Z0-9](?:[A-Z0-9-]{0,14}[A-Z0-9])?$"
},
"quote": {
"type": "string",
"pattern": "^[A-Z0-9](?:[A-Z0-9-]{0,14}[A-Z0-9])?$"
},
"found": {
"type": "boolean"
},
"snapshot": {
"anyOf": [
{
"type": "object",
"properties": {
"observed_at": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}(?:\\.\\d{3})?Z$"
},
"best_bid": {
"type": "object",
"properties": {
"price": {
"type": "number",
"exclusiveMinimum": 0,
"maximum": 9007199254740991
},
"volume": {
"type": "number",
"exclusiveMinimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"price",
"volume"
],
"additionalProperties": false
},
"best_ask": {
"type": "object",
"properties": {
"price": {
"type": "number",
"exclusiveMinimum": 0,
"maximum": 9007199254740991
},
"volume": {
"type": "number",
"exclusiveMinimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"price",
"volume"
],
"additionalProperties": false
},
"spread_percent": {
"type": "number",
"minimum": 0,
"maximum": 9007199254740991
}
},
"required": [
"observed_at",
"best_bid",
"best_ask",
"spread_percent"
],
"additionalProperties": false
},
{
"type": "null"
}
]
},
"coverage": {
"type": "object",
"properties": {
"match_type": {
"type": "string",
"const": "exact_timestamp_base_and_quote"
},
"maximum_results": {
"type": "integer",
"const": 1
}
},
"required": [
"match_type",
"maximum_results"
],
"additionalProperties": false
},
"disclaimer": {
"type": "string",
"minLength": 1
}
},
"required": [
"exchange",
"timestamp",
"base",
"quote",
"found",
"snapshot",
"coverage",
"disclaimer"
],
"additionalProperties": false,
"allOf": [
{
"if": {
"properties": {
"found": {
"const": true
}
}
},
"then": {
"properties": {
"snapshot": {
"type": "object"
}
}
},
"else": {
"properties": {
"snapshot": {
"type": "null"
}
}
}
}
]
}
},
"required": [
"type"
]
}