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The GlobalStack API uses bearer authentication. Pass your secret API key — issued during merchant onboarding — in the Authorization header of every request: 
Authorization: Bearer YOUR_SECRET_KEY

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Example request

curl https://api.paystack.com/v1/wallets \
  -H "Authorization: Bearer YOUR_SECRET_KEY"

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Keys

Get your keys

Manage and rotate your API keys from the GlobalStack dashboard.
  • Your secret key authenticates server-to-server calls. Treat it like a password — never commit it to source control or expose it in client-side code.
  • A missing or invalid key returns 401 with the authentication_failed code. See Errors.
All requests must be made over HTTPS. Calls over plain HTTP fail.