Testing Auth flows

To test in the Sandbox environment, you need to set the Link configuration environment to "sandbox":

1Plaid.create({
2  // ...
3  env: 'sandbox',
4});

You will also want to direct any backend API requests to the sandbox URL:

1https://sandbox.plaid.com

• Search for “Houndstooth Bank” in Link.
• Enter user_good and pass_good in the Credential pane.
• Select the second account that is returned: Plaid Savings (****1111).
• In the Routing number input, enter: 021000021
• In the Account number input, enter: 1111222233331111
• Link will display the success view – click continue to trigger the onSuccess callback with a public_token.

• Search for “Houndstooth Bank” in Link.
• Enter user_good and microdeposits_good in the Credential pane.
• Select the first account that is returned: Plaid Checking (****0000)
• In the Routing number input, enter: 021000021
• In the Account number input, enter: 1111222233330000
• Enter your legal first and last name.
• Link will display the Automated Micro-deposit success view – click continue to trigger the onSuccess callback with a public_token.

The micro-deposit verification will automatically succeed after twenty-four hours. To test a failed micro-deposit, or to skip the twenty-four hour waiting period, use the /sandbox/item/set_verification_status endpoint to manually control the Item's micro-deposit verification status.

• If you have configured Same Day Micro-deposits at failure points in Link, search for an institution that is not yet supported: "XYZ", click on Link with account numbers
• If you have configured Same Day Micro-deposits with Auth Type Select, choose "Manually" from the menu
• In the Routing number input, enter: 110000000
• If you have configured Same Day Micro-deposits with Reroute to Credentials, choose the "Enter account number instead" option.
• In the Account number input, enter: 1111222233330000
• Select “checking” or “savings” as the account type
• Link will display the success view – click Continue to trigger the onSuccess callback with a public_token

• Call /item/public_token/exchange with your public_token from the previous step to receive an access_token.
• Call /link/token/create and provide the access_token from the previous step to receive a link_token.
• Open Link with your link_token.
• In the deposit code, enter ABC
• You have successfully verified your micro-deposits – click Continue to close Link successfully.

Micro-deposits that are generated in Sandbox will never be posted by default. In order to generate a posted event that you can see when you query /bank_transfer/event/sync, you can use the /sandbox/bank_transfer/simulate endpoint.

Simulating a posted event in Sandbox does not generate a webhook. You will need to call /sandbox/bank_transfer/fire_webhook each time you want a webhook to be published for testing.