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What is a SID?

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- product:signalwire_space What is a SID? -- A SID is a SignalWire ID that is used as a security identifier. It is a universally unique alphanumeric string that is generated for **all** various types of communication aspects that our platform offers. Projects, calls, SMS, recordings, faxes, LAML bins, and nearly **all** SignalWire components will all be labeled with a unique SID that can be used in our API or for logging/tracking purposes. When filing a support ticket, you should **always** include the SID of whatever test is taking place. If messages or calls are failing, providing the SID of a failed message is the fastest way to allow the SignalWire Support team to isolate the technical issue. Where can I find a SID? -- **Great** question! You can find the SID within your SignalWire Space, or you can see it returned from the API when you make an API call. We will go over some of the different SIDs you might need below. JSON Response - When you make an API call, you will see a JSON response returned from SignalWire that contains information about the request you just made. For example, if you sent a message using the API, you might see this returned: text JSON { api_version: 2010-04-01, body: Hello World, num_segments: 1, num_media: 0, date_created: Mon, 13 Aug 2018 23:08:35 +0000, date_sent: null, date_updated: Mon, 13 Aug 2018 23:08:35 +0000, direction: outbound-api, error_code: null, error_message: null, from: +15551234567, price: null, price_unit: USD, status: queued, to: +15557654321, uri: /api/laml/2010-04-01/Accounts/ea108133-d6b3-407c-9536-9fad8a929a6a/Messages/b3877c40-da60-4998-90ad-b792e98472af, subresource_uris: { media: /api/laml/2010-04-01/Accounts/ea108133-d6b3-407c-9536-9fad8a929a6a/Messages/b3877c40-da60-4998-90ad-b792e98472af/Media } } Here you can see 2 SIDs, the message SID referred to as sid that identifies the individual message you just sent, and account_sid which refers to your project ID. If you want to keep track of your usage programmatically, making use of the JSON responses returned in conjunction with our APIs is the best way to do so. :::info Important Note about your Account SID/Project ID The API documentation requires that you use your **Account SID**. This actually refers to your **Project ID**! We kept the Account SID terminology consistent with other popular providers to make transitioning your existing applications to SignalWire a breeze. Your project ID can be found on the Dashboard within your individual project, or within the API tab. ::: You can find your Project ID, Authorization Token, and Space URL all in one convenient spot in your portal. These three variables are needed to make ANY API call. Click the **API** tab in your lefthand side navigator to see all three variables in an easily copyable format.

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SignalWire CXML API SIDs If you are using our [SignalWire CXML APIs](/compatibility-api), you can find your SIDs all within the handy **LaML** tab on your sidebar. :::info LaML Terminology You will see some sections within your SignalWire Space referred to as **LaML**. This is our **antiquated** terminology for our SignalWire CXML APIs. Please note that they refer to the same API! :::
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Once you have clicked the LaML tab, you will see the hub where you can find your call logs, message logs, fax logs, recordings, and more!
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**Call SIDs** To find your call SIDs, click the **Voice** tab. Youll find all your call logs here, so just click the call that you need the SID for. At the top, youll see either **Inbound Call** or **Outbound API**. Directly under that will be your call SID, a long alphanumeric string.
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**Message SIDs** To find your message SIDs, click the **Message** tab. Youll find all your message logs here, so just click the one you need the SID for. At the top, youll see either **Inbound Message** or **Outbound API**. Directly under that will be your message SID, a long alphanumeric string.
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**Fax SIDs** To find your fax SIDs, click the **Faxes** tab. Youll find all your fax logs here, so just click the one you need the SID for. At the top, youll see either **Inbound Fax** or **Outbound API**. Directly under that will be your fax SID, a long alphanumeric string.
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SignalWire Communications API SIDs - If you are using [SignalWires RELAY APIs](/rest), you can find your logs in your Space within the \*_Relay_ tab on the lefthand sidebar.
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**Conversation SIDs** Here you will see all of your logs created through the communications API. Click into the specific event that you need the SID for, and you will see **Conversation Details** at the top. In the **ID** section below you will find the conversation SID.
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