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netz.halowerk.com v1 ipv6-readiness
https://netz.halowerk.com/v1/ipv6-readiness
answers 402
Measures IPv6 adoption for an AS in a way that survives contact with reality. Counting v6 prefixes is close to meaningless on its own, because a single allocation can hold more addresses than the entire v4 internet, so a count of one is not a tenth of a count of ten.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.005
- Network
- base
- Pay to
- 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 567 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:22:57.723Z (28d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fnetz.halowerk.com%2Fv1%2Fipv6-readiness"