HALOWERKHandelswerk
articles / history median drop
Uses3–60strictly chronological caller-owned same-product/currency price observations within366days. Previous must equal last snapshot. History is explicitly unverified; no independent historical collection or prediction. Fresh HTML price evaluated BEFORE callback against median/min/max/mean/variation safety. Decimal/rational comparisons avoid binary-float boundaries. Existing pinnedHTTPS/robots/9s/at-most-once7dayreceipts unchanged. No FX, VAT, stock or statistical forecast.
POST https://handel.halowerk.com/v1/price/articles/history-median-dropEingaben
| Feld | Typ | Pflicht | Beschreibung |
|---|---|---|---|
| url | string | Ja | |
| previous | object | Ja | |
| callback_url | string | Ja | |
| idempotency_key | string | Ja | |
| history | array | Ja | |
| drop_percent | number | Ja |
Vollständiges Eingabeschema anzeigen
{
"type": "object",
"additionalProperties": false,
"required": [
"url",
"previous",
"callback_url",
"idempotency_key",
"history",
"drop_percent"
],
"properties": {
"url": {
"type": "string",
"maxLength": 2048
},
"previous": {
"type": "object",
"additionalProperties": false,
"required": [
"value",
"currency"
],
"properties": {
"value": {
"type": "number",
"minimum": 0,
"maximum": 1000000000
},
"currency": {
"type": "string",
"pattern": "^[A-Z]{3}$"
}
}
},
"callback_url": {
"type": "string",
"maxLength": 2048
},
"idempotency_key": {
"type": "string",
"minLength": 32,
"maxLength": 128,
"pattern": "^[A-Za-z0-9_-]+$"
},
"history": {
"type": "array",
"minItems": 3,
"maxItems": 60,
"items": {
"type": "object",
"additionalProperties": false,
"required": [
"url",
"observed_at",
"value",
"currency"
],
"properties": {
"url": {
"type": "string",
"maxLength": 2048
},
"observed_at": {
"type": "string",
"maxLength": 40
},
"value": {
"type": "number",
"minimum": 0,
"maximum": 1000000000
},
"currency": {
"type": "string",
"pattern": "^[A-Z]{3}$"
}
}
}
},
"drop_percent": {
"type": "number",
"exclusiveMinimum": 0,
"maximum": 100
}
}
}Veröffentlichtes Eingabebeispiel
{
"url": "https://books.toscrape.com/catalogue/a-light-in-the-attic_1000/index.html",
"previous": {
"value": 59,
"currency": "GBP"
},
"callback_url": "https://stack.halowerk.com/_top10-endspurt/callback",
"idempotency_key": "example_replace_with_random_32_character_history_key",
"history": [
{
"url": "https://books.toscrape.com/catalogue/a-light-in-the-attic_1000/index.html",
"observed_at": "2026-10-01T00:00:00Z",
"value": 60,
"currency": "GBP"
},
{
"url": "https://books.toscrape.com/catalogue/a-light-in-the-attic_1000/index.html",
"observed_at": "2026-10-02T00:00:00Z",
"value": 58,
"currency": "GBP"
},
{
"url": "https://books.toscrape.com/catalogue/a-light-in-the-attic_1000/index.html",
"observed_at": "2026-10-03T00:00:00Z",
"value": 59,
"currency": "GBP"
}
],
"drop_percent": 5
}Ergebnis & Dokumentation
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Quelle dieser Seite: der veröffentlichte HALOWERK-Katalog. Stand: 2026-11-01, 15:19 UTC.
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