| user_good | pass_good | credential_good | | | | Successful Linking via Instant Auth |
| user_good | mfa_device | | 1234 | | | Successful Linking via Instant Auth with MFA Code |
| user_good | mfa_selections | | | Yes | | Successful Linking via Instant Auth with MFA Selections |
| user_good | mfaquestions_ | | | answer | | ”Successful Linking via Instant Auth with MFA Questions |
| n-rounds of m-questions per round, where 0 <= i, j < 9 | | | | | | |
| answer, for j-th question in i-th round. | | | | | | |
| user_good | mfaselections | | | answer_1_1_0 | | ”Successful Linking via Instant Auth with Multiple MFA Selections |
| n-rounds of m-questions with o-answers per question | | | | | | |
| 0 < n, m < 10 and 2 <= o < 10 | | | | | | |
| answer_0, for m-th question in n-th round” | | | | | | |
| user_good | error_COUNTRY_NOT_SUPPORTED | | | | | Error Scenario where the country is not supported |
| user_good | error_INSTITUTION_DOWN | | | | | Error scenario where the institution is down and the accounts cannot be gathered |
| user_good | error_INSTITUTION_NOT_RESPONDING | | | | | Error scenario where the institution is not responding and the accounts cannot be gathered |
| user_good | error_INSTITUTION_NO_LONGER_SUPPORTED | | | | | Error scenario where the institution is longer supported so accounts cannot be linked |
| user_good | error_INSUFFICIENT_CREDENTIALS | | | | | Error scenario where the user hasn’t provided sufficient credentials and the accounts cannot be linked |
| user_good | error_INTERNAL_SERVER_ERROR | | | | | Error scenario where there’s been an internal server error at Plaid |
| user_good | error_INVALID_CREDENTIALS | | | | | Error scenario where the user has entered invalid credentials |
| user_good | error_INVALID_MFA | | | | | Error scenario where the user has entered invalid MFA responses |
| user_good | error_INVALID_SEND_METHOD | | | | | |
| user_good | error_ITEM_LOCKED | | | | | |
| user_good | error_ITEM_NOT_SUPPORTED | | | | | |
| user_good | error_MFA_NOT_SUPPORTED | | | | | |
| user_good | error_NO_ACCOUNTS | | | | | Error scenario where there are no valid accounts to pull back from the institution |
| user_good | error_PAYMENT_INVALID_RECIPIENT | | | | | |
| user_good | error_PRODUCTS_NOT_SUPPORTED | | | | | Error scenario where the requested products are not supported by the institution being linked |
| user_good | error_USER_SETUP_REQUIRED | | | | | |
