client_id and client_secret (click here to see how to generate your credentials). To authenticate this request, you must pass the Base64-encoded string of client_id:client_secret in the Authorization header. The generated access token must be included in the Authorization header of each API request, ensuring secure and controlled access to the API.Authorization: Bearer {access_token}expires_in (usually 3599 seconds or ~1 hour).curl --location '/authentication/oauth2/access_token' \
--header 'Authorization: Basic c2J4XzlmMzQzZWMzLTczNjItNGY2Yi05N2UyLTIzY2FiMjA1M2I3NDo1YTE3MDAyMC05YzMzLTQ1NTUtODM0NC1mZjNiOTY0ZDY0Mzb=' \
--data-urlencode 'grant_type=client_credentials'{
"access_token": "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.BxMYBiGHWU8r2pzD_GFFjXI3EduBrJdkxSo6aF-726_s3VWa0UH2QDQy5aVsrbF8spS0M7l6T6tsNVk-vt5jkAtIpUv1exNKk4VbPk_TXn9fVHJKEqZh_6xPHNKtmaF85uOpS2Rgnv9rulKHHWXLG3GTElqeiXBX0z5fSAWiCuFRrgIWUYib_ifXwMpu8r-J9c088ltdQrwvltjs5UskTycSR62-UPIQV2a1qXG30rddTA5eHm5EAGvpDNc9LqyrgKvG4SEkf0l0aLv-fpKJuqQk6CKGtEV6DQ92bK5OwJdTY07WZBsVtLPf_fgl4LYa5RWz-9qNE0ZUzQIcH-O4-A",
"scope": "digital-platform:gateway-api",
"token_type": "Bearer",
"expires_in": 3599
}