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paket.halowerk.com v1 upgrade-path
https://paket.halowerk.com/v1/upgrade-path
answers 402
Turns "we are on 2.4.1 and want to be current" into an ordered list of stops. The rule it enforces is that no major version is skipped: going from 2 to 5 means stopping at the last release of 3 and the last release of 4, because that is where the migration notes live and where the warnings about the next major are published.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.004
- Network
- base
- Pay to
- 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 132 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:22:59.188Z (23d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fpaket.halowerk.com%2Fv1%2Fupgrade-path"