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Response headers Vonage SMS

The following tables display the standard response headers that are returned with each API response:

Standard response field name	Description
sunset	This field will be populated with the deprecation details. By default the value is n/a .
api-version	Indicates the API version you have used.
quota-interval	Used to specify an integer (for example, 1, 2, 5, 60, and so on) that will be paired with the quota-time-unit you specify (minute, hour, day, week, or month) to determine a time period during which the quota use is calculated. For example, an interval of 24 with a quota-time-unit of hour means that the quota will be calculated over the course of 24 hours.
quota-limit	Number of API calls an user can make within a given time period. If this limit is exceeded, the user will be throttled and API requests will fail.
quota-reset-UTC	All quota times are set to the Coordinated Universal Time (UTC) time zone.
quota-time-unit	Used to specify the unit of time applicable to the quota. For example, an interval of 24 with a quota-time-unit of hour means that the quota will be calculated over the course of 24 hours.
quota-used	Number of API calls made within the quota.
strict-transport-security	The HTTP Strict-Transport-Security (HSTS) response header lets a website tell browsers that it should only be accessed using HTTPS, instead of using HTTP. All present and future subdomains will be HTTPS for a maximum of 1 year and access is blocked to pages or sub domains that can only be served over HTTP including HSTS preload lists of web browsers. Strict-Transport-Security: max-age=31536000; includeSubDomains; preload .
Access control field name	Description
access-control-allow-credentials	Tells browsers whether to expose the response to frontend JavaScript when the request's credentials mode ( Request.credentials ) is include . When a request's credentials mode ( Request.credentials ) is include , browsers will only expose the response to frontend JavaScript if the Access-Control-Allow-Credentials value is true . Boolean.
access-control-allow-origin	Indicates whether the response can be shared with requesting code from the given origin.
access-control-allow-headers	Used in response to a pre-flight request which includes the Access-Control-Request-Headers to indicate which HTTP headers can be used during the actual request.
access-control-max-age	Indicates how long the results of a pre-flight request (that is the information contained in the Access-Control-Allow-Methods and Access-Control-Allow-Headers headers) can be cached.
access-control-allow-methods	Indicates which HTTP methods are allowed on a particular endpoint for cross-origin requests. For example: GET , PUT , POST , DELETE .
content-length	The Content-Length entity header indicates the size of the entity-body, in bytes, sent to the recipient.
content-type	The Content-Type entity header the client what the content type of the returned content actually is.