# Voice and SMS APIs - [Getting the API key and Token](https://docs.didforsale.com/voice-and-sms-apis/getting-the-api-key-and-token.md) - [Voice](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms.md): This document is designed to help you understand how you can control a phone call using the application built in your system in your preferred programming language. - [Big Picture](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/big-picture.md): The image below is the Big Picture. The visual representation of how the calls are handled between DIDforSale and API that’s located on your webserver. - [Quick Start](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/getting-started.md): Now that you understand the basic fundamentals and requirements of voice API lets get you started by creating your very first API. - [Identify Caller](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/getting-started/identify-caller.md): For every call, we send lots of information about the caller, example caller ID, Caller name, Number dialed etc. Let's use some of that information. - [Collect Response](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/getting-started/collect-response.md): Collect users response to build the IVR, or transfer the call to right person based on users input. - [didML Reference Doc](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-reference-doc.md): DIDforSale cPaaS is designed to provide a platform to do API development in your application using \ which is an acronym for DIDforSale Mark up Language. - [Voice API Request Params](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-reference-doc/voice-api-request-params.md): Detail of the information we send you when we receive a call. This information can be used to make a decision in your application. - [Voice API Response](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-reference-doc/voice-api-response.md): Our system expect a response from your application in didML formate. - [didML Verbs](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/dial.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/dial/client.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/dial/conference.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/dial/number.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/dial/queue.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/dial/sip.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/enqueue.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/fax.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/gather.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/hangup.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/pause.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/play.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/postcall.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/record.md): record the message from the caller. - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/recordcall.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/redirect.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/reject.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/say.md) - [\](https://docs.didforsale.com/voice-and-sms-apis/voice-and-sms/didml-verbs/sms.md) - [SMS](https://docs.didforsale.com/voice-and-sms-apis/sms.md): This document will help you setup inbound and outbound SMS, You will find some sample code. - [Configure SMS](https://docs.didforsale.com/voice-and-sms-apis/sms/configure-sms.md) - [Send/Receive SMS via Email](https://docs.didforsale.com/voice-and-sms-apis/sms/send-sms.md): Instructions for sending and receiving SMS. - [SMS Forwarding](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-forwarding.md) - [SMS forwarding to Phone Number](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-forwarding/sms-forwarding-to-phone-number.md) - [SMS forwarding to Email](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-forwarding/receive-sms.md): Configuration to setup Inbound SMS - [SMS forwarding to a Webhook](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-forwarding/sms-forwarding-to-a-webhook.md) - [SMS/MMS Desktop Application](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-client-configuration.md): Setup Windows and Mac SMS Client to send and receive SMS. - [SMS APIs](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-apis.md): Access All SMS APIs Documentation - [Activate SMS](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-apis/activate-sms.md) - [Deactivate SMS API](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-apis/deactivate-sms-api.md) - [Send SMS](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-apis/send-sms.md) - [SMS CDR](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-apis/sms-cdr.md) - [Set SMS Forwarding](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-apis/set-sms-forwarding.md) - [SMS/MMS Message Lenght](https://docs.didforsale.com/voice-and-sms-apis/sms/sms-mms-message-lenght.md) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.didforsale.com/voice-and-sms-apis.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.