Bitcoin Up or Down 30-Minute Probability estimates p_up and p_down for half-hour
Bitcoin Up or Down 30-Minute Probability estimates p_up and p_down for half-hour windows using the widest caller-supplied context in this family. Send 8-240 ordered caller-supplied BTC price observations, the target venue's opening price, and its close timestamp; optionally include UP/DOWN share prices and entry fees for a descriptive model-edge comparison. Returns a conservative probability pair, lean, input-quality score, model contract, and warnings for $0.003 USDC via x402 on Base or Solana…
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://api.delx.ai/api/v1/x402/bitcoin-up-down-30m
| Category | Market data |
|---|---|
| Provider host | api.delx.ai |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"fee_bps": 50,
"market_down_price": 0.54,
"market_up_price": 0.48,
"observations": [
{
"price": 100000,
"timestamp": 1799998200
},
{
"price": 100035,
"timestamp": 1799998425
},
{
"price": 100070,
"timestamp": 1799998650
},
{
"price": 100105,
"timestamp": 1799998875
},
{
"price": 100140,
"timestamp": 1799999100
},
{
"price": 100175,
"timestamp": 1799999325
},
{
"price": 100210,
"timestamp": 1799999550
},
{
"price": 100245,
"timestamp": 1799999775
}
],
"window_close_timestamp": 1800000000,
"window_open_price": 100000
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"properties": {
"input": {
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"fee_bps": {
"maximum": 1000,
"minimum": 0,
"type": "integer"
},
"market_down_price": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"market_up_price": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"observations": {
"items": {
"additionalProperties": false,
"properties": {
"price": {
"maximum": 1000000000000000,
"minimum": 1e-12,
"type": "number"
},
"timestamp": {
"minimum": 1,
"type": "integer"
}
},
"required": [
"timestamp",
"price"
],
"type": "object"
},
"maxItems": 240,
"minItems": 8,
"type": "array"
},
"window_close_timestamp": {
"minimum": 1,
"type": "integer"
},
"window_open_price": {
"maximum": 1000000000000000,
"minimum": 1e-12,
"type": "number"
}
},
"required": [
"observations",
"window_open_price",
"window_close_timestamp"
],
"type": "object"
},
"bodyType": {
"const": "json",
"type": "string"
},
"method": {
"const": "POST",
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"additionalProperties": true,
"properties": {
"asset": {
"type": "string"
},
"data_quality": {
"additionalProperties": true,
"properties": {
"label": {
"type": "string"
},
"observations_used": {
"type": "integer"
},
"score": {
"type": "number"
}
},
"type": "object"
},
"estimate": {
"additionalProperties": true,
"properties": {
"lean": {
"type": "string"
},
"p_down": {
"type": "number"
},
"p_up": {
"type": "number"
}
},
"type": "object"
},
"horizon_minutes": {
"type": "integer"
},
"input_provenance": {
"type": "string"
},
"model": {
"additionalProperties": true,
"properties": {
"deterministic_for_same_input": {
"type": "boolean"
},
"no_live_market_data": {
"type": "boolean"
},
"probability_is_uncalibrated": {
"type": "boolean"
},
"version": {
"type": "string"
}
},
"type": "object"
},
"schema": {
"type": "string"
},
"status": {
"type": "string"
},
"warnings": {
"items": {
"type": "string"
},
"type": "array"
}
},
"type": "object"
}
},
"required": [
"input",
"output"
],
"type": "object"
}