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September 21, 2026

  • Require approved verification for every API key, including sandbox keys. Unverified users retain sandbox console access.
  • Add individual verification (500 card issuances per UTC calendar month) and corporate verification (no monthly issuance quota).
  • Introduce direct USDT/TRON card-account invoices: a 1.5% fee is deducted from the deposit. Retire the old TON funding-address endpoint.
  • Card issuance costs 3 USD plus initial funding of at least 10 USD. Each card funding carries a separate 0.2% fee.
  • Add card payment history and dated card-account statements with opening, closing and running balances.
  • Add an embedded wallet with local signing and encrypted user-held recovery backup.

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September 20, 2026

  • Published the Plane Business documentation and OpenAPI reference.
  • Added step-by-step card issuance, top-up, card-control, and funding guides.
  • Documented webhook signing, deduplication, and delivery retries.
  • Added error handling, pagination, verification, and go-live guidance.
Live card and funding activation remains restricted. Documentation updates do not enable a capability or change your company’s approval state.

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API compatibility

The public path prefix is /api/v1. No automatic migration to a new major API version is implied. Pin your integration to the documented fields and handle additional response fields without failing. There is no published official SDK yet; the examples use HTTP directly.