# Update a specific Factor. This endpoint can be used to Verify a Factor if passed an `AuthPayload` param. **POST /v2/Services/{ServiceSid}/Entities/{Identity}/Factors/{Sid}** Update a specific Factor. This endpoint can be used to Verify a Factor if passed an `AuthPayload` param. ## Servers - https://verify.twilio.com: https://verify.twilio.com () ## Authentication methods - Account sid auth token ## Parameters ### Path parameters - **ServiceSid** (string) The unique SID identifier of the Service. - **Identity** (string) Customer unique identity for the Entity owner of the Factor. This identifier should be immutable, not PII, length between 8 and 64 characters, and generated by your external system, such as your user's UUID, GUID, or SID. It can only contain dash (-) separated alphanumeric characters. - **Sid** (string) A 34 character string that uniquely identifies this Factor. ### Body: application/x-www-form-urlencoded (object) - **AuthPayload** (string) The optional payload needed to verify the Factor for the first time. E.g. for a TOTP, the numeric code. - **FriendlyName** (string) The new friendly name of this Factor. It can be up to 64 characters. - **Config.NotificationToken** (string) For APN, the device token. For FCM, the registration token. It is used to send the push notifications. Required when `factor_type` is `push`. If specified, this value must be between 32 and 255 characters long. - **Config.SdkVersion** (string) The Verify Push SDK version used to configure the factor - **Config.TimeStep** (integer) Defines how often, in seconds, are TOTP codes generated. i.e, a new TOTP code is generated every time_step seconds. Must be between 20 and 60 seconds, inclusive - **Config.Skew** (integer) The number of time-steps, past and future, that are valid for validation of TOTP codes. Must be between 0 and 2, inclusive - **Config.CodeLength** (integer) Number of digits for generated TOTP codes. Must be between 3 and 8, inclusive - **Config.Alg** (string) - **Config.NotificationPlatform** (string) The transport technology used to generate the Notification Token. Can be `apn`, `fcm` or `none`. Required when `factor_type` is `push`. ## Responses ### 200 OK #### Headers - **Twilio-Verify-Factor-Signature** (string) - **Access-Control-Allow-Origin** (string) Specify the origin(s) allowed to access the resource - **Access-Control-Allow-Methods** (string) Specify the HTTP methods allowed when accessing the resource - **Access-Control-Allow-Headers** (string) Specify the headers allowed when accessing the resource - **Access-Control-Allow-Credentials** (boolean) Indicates whether the browser should include credentials - **Access-Control-Expose-Headers** (string) Headers exposed to the client #### Body: application/json (object) - **sid** (string | null) A 34 character string that uniquely identifies this Factor. - **account_sid** (string | null) The unique SID identifier of the Account. - **service_sid** (string | null) The unique SID identifier of the Service. - **entity_sid** (string | null) The unique SID identifier of the Entity. - **identity** (string | null) Customer unique identity for the Entity owner of the Factor. This identifier should be immutable, not PII, length between 8 and 64 characters, and generated by your external system, such as your user's UUID, GUID, or SID. It can only contain dash (-) separated alphanumeric characters. - **date_created** (string(date-time) | null) The date that this Factor was created, given in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format. - **date_updated** (string(date-time) | null) The date that this Factor was updated, given in [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) format. - **friendly_name** (string | null) A human readable description of this resource, up to 64 characters. For a push factor, this can be the device's name. - **status** (string) The Status of this Factor. One of `unverified` or `verified`. - **factor_type** (string) The Type of this Factor. Currently `push` and `totp` are supported. - **config** () An object that contains configurations specific to a `factor_type`. - **metadata** () Custom metadata associated with the factor. This is added by the Device/SDK directly to allow for the inclusion of device information. It must be a stringified JSON with only strings values eg. `{"os": "Android"}`. Can be up to 1024 characters in length. - **url** (string(uri) | null) The URL of this resource. [Powered by Bump.sh](https://bump.sh)