How to Connect YakChat to Your Sinch Service
Overview
YakChat can connect with your Sinch telephony service in 4 easy steps:
- Copy your API Token
- Copy your Regional API Endpoint (URL)
- Set the Default Callback URL
- Verify the Number Configuration
- Send API information to YakChat
After these steps, we’ll then test the connection for you and confirm when everything is set up.
Step 1: Copy your API Token
Navigate to the SMS Service APIs and copy your API Token using the following instructions:
- Navigate to SMS > Service APIs from the left menu
- Click on the REST Messaging API Name (Create a new REST configuration if no REST Configuration is listed)
- In the Authenticate panel, click on "Show" to the right of the "API Token" (beside the token that is masked with "*****")
- Complete the authentication in the separate window displayed
- Highlight the token that is displayed, copy and save it to use in step 4
Step 2: Copy your Regional API Endpoint (URL)
Remain on the REST API Details page to copy your Regional Endpoint URL using the following instructions:
- Scroll down to the Regional API Endpoints panel
- Highlight the URL that displayed under the "SERVER" title, copy and save it to use in step 4

Step 3: Add the Default Callback URL
Remain on the REST API Details page to add your Default Callback URL using the following instructions:
- Scroll down to the Callback URLs panel
- Click the Edit button
- Paste the following URL into the Default URL text box: https://sp.yakchat.com/sinch/message
- Click the Configure button to save the the Default URL
Step 4: Verify the Number Configuration
Navigate to Your virtual numbers and check the configuration using the following instructions:
- Navigate to Numbers > Your virtual numbers using the left menu
- Select, copy and save the phone number to be used for testing SMS
- Click on the phone number and confirm the correct Service Plan ID is selected or use the Edit button to change the Service Plan
- Scroll down to the SMS configuration panel and click on Set callback URL
- Check the settings are the same as setup in the previous steps or correct the service plan the number is assigned to
Step 5: Submit your connection details
Enter the following Sinch connection details in the the form below:
- Select "Sinch" as the SMS service provider
- Enter your API Token into Integration Data 1 (step 1)
- Enter your Regional API Endpoint URL into Integration Data 2 (step 2)
- The phone number we can use to test the service is working correctly (step 4)