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NONCE_REUSED

Message. Nonce already consumed for this (agent, developer, path)

Hint. Increment the nonce strictly monotonically per (agent, developer, path).

Wire shape

{
  "error": {
    "code": "NONCE_REUSED",
    "message": "Nonce already consumed for this (agent, developer, path)",
    "hint": "Increment the nonce strictly monotonically per (agent, developer, path).",
    "docsUrl": "https://docs.tollgatepay.com/errors/nonce-reused"
  }
}

Canonical URL

https://docs.tollgatepay.com/errors/nonce-reused — this URL is hard-coded into the 402/403/451 docsUrl field. It is stable; renaming the slug requires a migration plan.

Related codes