Access Tokens are short-lived tokens that you use to authenticate Twilio Client SDKs like Voice , Conversations, Sync and Video, and Twilio Live. Show You create them on your server to verify a user’s identity and grant access to client API features. All tokens have a limited lifetime, configurable up to 24 hours. However, a best practice is to generate Access Tokens for the shortest amount of time feasible for your application. ContentsAnatomy of an Access TokenEach Access Token is a JSON Web Token (JWT), an encoded JSON object with three parts: the header, the payload, and the signature. The following is an example Access Token generated for Conversations.
If you inspect it with the debugger at jwt.io, you can further explore its content. Header
The
Payload
The
SignatureThe How to create Access TokensTwilio Access Tokens are based on the JSON Web Token standard. You can use one of Twilio's Helper Libraries to create Access Tokens quickly and programmatically. Step 1: Find your Account SIDEvery Access Token requires your Account SID, which you can find in your Twilio Console. This is how the AccessToken will tie a user's activity to a specific Twilio account. Step 2: Create an API Key and SecretNext, you need to create an API key. You can create API keys from the Twilio Console or with the REST API. When you create the API key, you’ll be shown the key’s secret, which is used to sign the Access Token. For security, you will only be shown the secret at this time, so you need to store it with the key’s SID in a secure location for the next step. Step 3: Generate an Access TokenNow use the information gathered in steps 1 and 2 to generate an Access Token using a Twilio Helper Library. When creating an Access Token, you must provide:
You can also optionally provide any of the following JWT configuration values.
Each Twilio product will also require at least one "grant", which will provide product-specific abilities to the user associated with an Access Token. Programmable Voice access tokens limit the number of concurrent sessions for a given identity to ten. When the 11th instance of the identity is registered the oldest registration is removed. Create an Access Token for ConversationsThe Conversations SDK requires each Access Token to contain a You are viewing an outdated version of this SDK. Create an Access Token for VoiceYou are viewing an outdated version of this SDK. The Voice SDKs require each Access Token to contain an Each
The payload of a decoded Voice AccessToken will look something like the following:
Create an Access Token for VideoThe Video SDKs require each Access Token to contain an The Each Learn more about Video Access Tokens on the User Identity & Access Tokens page. You are viewing an outdated version of this SDK. Create an Access Token for SyncSync requires your Access Token to contain an The Learn more about Sync Access Tokens on the Issuing Sync Tokens page. You are viewing an outdated version of this SDK. Create an Access Token for Twilio Live (PlaybackGrant)The Twilio Live SDKs require each Access Token to contain a The PlaybackGrant grants access to a single livestream, specified by the livestream’s PlayerStreamer SID. You can pass in an
optional Learn more about Twilio Live Access Tokens in the Twilio Live Overview.
You are viewing an outdated version of this SDK. Is access token same as API key?The main distinction between these two is: API keys identify the calling project — the application or site — making the call to an API. Authentication tokens identify a user — the person — that is using the app or site.
What is access token in API?What is an Access Token? A credential that can be used by an application to access an API. Access Tokens can be either an opaque string or a JSON Web Token (JWT) . They inform the API that the bearer of the token has been authorized: to access a particular service or services.
What is an example of an API key?An API key is a token that a client provides when making API calls. The key can be sent in the query string: GET /something? api_key=abcdef12345.
What is difference between API key and JWT token?Typically, the API key provides only application-level security, giving every user the same access; whereas the JWT token provides user-level access. A JWT token can contain information like its expiration date and a user identifier to determine the rights of the user across the entire ecosystem.
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