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HALOWERK Price History New High Detector
x402
HALOWERK Price History New High Detector is a paid API for AI agents from handel.halowerk.com, paid per call via x402, $0.007/call, status unknown (last checked 2026-10-22).
Analyzes a series of observed article prices to determine whether a new all-time high price has been reached relative to a previous high.
Price / call$0.007
Success—
StatusUnknown
How this service works
HALOWERK handelswerk — bezahlte Endpunkte nach x402. Preise in USDC auf Base Mainnet.
Output
A JSON response indicating whether the latest observed price in the provided history series constitutes a new all-time high relative to the supplied previous high value, likely including the detected high value, currency, and a boolean or signal flag.
Example use cases
E-commerce price peak alert
“I'm tracking a laptop at https://store.example.com/laptop-x1 and here are 4 price observations in USD: 899.00 on 2024-02-01, 949.00 on 2024-05-01, 920.00 on 2024-08-01, and 975.00 on 2025-01-10. The previous high was 949.00 USD — has it just set a new record high?”
Retail competitor price monitoring
“We've been tracking a competitor's product at https://competitor.com/product/abc, with price observations in GBP: 45.00 on 2024-03-01, 47.50 on 2024-06-01, 46.00 on 2024-09-01, and 49.99 on 2025-01-20. Previous high was 47.50 GBP — is this a new all-time high?”
Marketplace repricing trigger
“For the article at https://marketplace.example.com/item/5678, I have price history in EUR: 22.00 on 2024-01-15, 23.50 on 2024-04-10, 24.00 on 2024-07-20, and 25.50 on 2025-01-18. The previous recorded peak was 24.00 EUR — can you confirm if we've hit a new high so I can trigger a repricing rule?”
Technical details
Endpoint
POSThttps://handel.halowerk.com/v1/price/articles/history-new-high?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to programmatically detect whether a specific article's latest observed price constitutes a new historical maximum, given a known prior peak and a time-series of price observations. It is well-suited for e-commerce price monitoring agents, competitive intelligence pipelines, and repricing automation systems that need a cheap, fast signal about price record events without maintaining complex analytics infrastructure.
Side effects
- Fewer than 3 history items provided — request rejected due to minItems:3 constraint
- Currency code not in valid 3-letter ISO format — validation error
- Price value exceeds maximum of 1,000,000,000 — schema validation failure
- Idempotency key too short (under 32 chars) or contains invalid characters — rejected
- Missing required history item fields (url, observed_at, value, currency) — schema error
- Payment not completed via x402 — HTTP 402 response blocking access
- Callback URL malformed or unreachable — callback delivery failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | |
| history | array | |
| previous | object | |
| callback_url | string | |
| idempotency_key | string |
Output
Schema · Response
{
"type": "json"
}Tags
x402
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