{
 "id": "ietf-httpauth-payment",
 "name": "Payment HTTP Authentication Scheme (draft-httpauth-payment, Tempo Labs and Stripe)",
 "org": "IETF",
 "kind": "specification",
 "tier": "context",
 "status": "Individual draft-httpauth-payment-01 (2026-09-09), Standards Track intended, no Working Group (WG), expires 2027-03-13; authors from Tempo Labs and Stripe. The datatracker record of 2026-10-13 gives revision 01 (time 2026-09-09 16:08 UTC) and no later revision.",
 "status_as_of": "2026-10-14",
 "relevance": "On receipts, -01 reads \"Servers SHOULD include a Payment-Receipt header on successful responses\"; the receipt table has four fields (status, method, timestamp, reference) and no signature field.",
 "sources": [
  {
   "url": "https://datatracker.ietf.org/doc/draft-httpauth-payment/",
   "archived": "https://web.archive.org/web/20261014085833/https://datatracker.ietf.org/doc/draft-httpauth-payment/",
   "read": "2026-10-03",
   "class": "decision"
  },
  {
   "url": "https://www.ietf.org/archive/id/draft-httpauth-payment-01.txt",
   "archived": "https://web.archive.org/web/20261014085912/https://www.ietf.org/archive/id/draft-httpauth-payment-01.txt",
   "read": "2026-10-03",
   "class": "third-party"
  },
  {
   "url": "https://docs.stripe.com/payments/machine/mpp",
   "archived": "https://web.archive.org/web/20261014090103/https://docs.stripe.com/payments/machine/mpp",
   "read": "2026-10-14",
   "class": "statement"
  }
 ],
 "seams": [
  "S4"
 ],
 "verified": "2026-10-14",
 "evidence": {
  "read": "On 2026-10-13: the datatracker record.",
  "not_read": "Full -01 text, payment method and intent specifications on mpp.dev, software development kit (SDK) licensing, IETF list discussion, Tempo pages. mpp.dev was not read again on 2026-10-14: its robots.txt carries the signal ai-input=no.",
  "not_found": "Not found, 2026-10-03, in -01: agent protocol, card network, AP2, x402, Verifiable Intent; in the eight lists: the draft name. The Stripe page on the Machine Payments Protocol (MPP), read 2026-10-14, describes MPP as \"co-authored by Stripe and Tempo\" and does not mention this draft; a statement by a primary source that links the draft to MPP: not found there."
 },
 "url": "https://frmoretto.github.io/agentic-standards-map/entries/ietf-httpauth-payment.html",
 "source_url": "https://github.com/frmoretto/agentic-standards-map/blob/a1ae242918902e0768e0e6a79bd2bffc4ac5cfa3/entries/ietf-httpauth-payment.yaml",
 "licence": "https://creativecommons.org/licenses/by/4.0/"
}