* [x] You have read and understood the requirements for registration. * [x] You have checked the registry and found no current value that meets your needs. * [x] Your specification reference URL is stable. * **Field Name**: X-402-Challenge * **Status**: provisional * **Structured Type**: Item * **Specification Document(s)**: https://datatracker.ietf.org/doc/draft-shabazz-http-x402-tswp/ (Section 3.2.1) * **Comments**: Issued by servers in HTTP 402 (Payment Required) responses containing an ephemeral RFC 4122 UUIDv4 token for machine-to-machine payment negotiation.
You have read and understood the requirements for registration.
You have checked the registry and found no current value that meets your needs.
Your specification reference URL is stable.
Field Name: X-402-Challenge
Status: provisional
Structured Type: Item
Specification Document(s): https://datatracker.ietf.org/doc/draft-shabazz-http-x402-tswp/ (Section 3.2.1)
Comments: Issued by servers in HTTP 402 (Payment Required) responses containing an ephemeral RFC 4122 UUIDv4 token for machine-to-machine payment negotiation.