Update an existing environment variable for a static site. You can change the key, value, or scope flags. A deployment is required for changes to take effect.
API key authentication. Pass your API key as a Bearer token in the Authorization header.
Static site identifier
^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"fb5e5168-4281-4bec-94c5-0d1584e9e657"
Environment variable identifier
^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"fb5e5168-4281-4bec-94c5-0d1584e9e657"
New name for the environment variable
1 - 255"API_BASE_URL"
New value for the environment variable. Will be stored encrypted at rest.
32768"https://api.example.com"
Whether this variable is used in production deployments
true
Whether this variable is used in preview deployments
true
Git branch this variable is scoped to, or null for all branches
"main"
Default Response
Unique identifier for the environment variable
^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"fb5e5168-4281-4bec-94c5-0d1584e9e657"
Identifier of the static site this environment variable belongs to
^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"fb5e5168-4281-4bec-94c5-0d1584e9e657"
Name of the environment variable
1 - 255"API_KEY"
Decrypted value of the environment variable
32768"my-secret-value"
Whether this variable is used in production deployments
true
Whether this variable is used in preview deployments
false
Git branch this variable is scoped to, or null for all branches
"main"
Timestamp when the environment variable was created, in ISO 8601 format
^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$"2025-01-30T00:00:00.000Z"
Timestamp when the environment variable was last modified, in ISO 8601 format
^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$"2025-01-30T00:00:00.000Z"