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Documentation Index

Fetch the complete documentation index at: https://docs.letmepost.dev/llms.txt

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What it checks

POST /v5/media is the first step of Pinterest’s video flow. If it returns non-2xx, no presigned URL came back, or the response shape is malformed, this rule fires.

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Why

Most often this is a missing scope on the connected account: the OAuth grant predates pins:write / boards:write, or the user revoked the scope on Pinterest’s side. The upstream message is opaque (“not authorized”) — preflight maps it to a remediation that mentions the scope set explicitly.

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Failure response

{
  "error": {
    "code": "platform_rejected",
    "rule": "pinterest.media.register_failed",
    "platform": "pinterest",
    "message": "pinterest rejected the post: insufficient_scope.",
    "remediation": "Pinterest refused to register a video upload slot — most commonly missing the boards:write / pins:write scope on the connected account."
  }
}

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Remediation

  • Disconnect and reconnect the Pinterest account from the dashboard. The reconnect re-requests the current scope set, including any added since the original grant.
  • Confirm the account isn’t on Trial Access pointing at production. See the platform notes — Trial Access apps must use https://api-sandbox.pinterest.com/v5 until Standard Access clears.