# POST /passwordless/start

### HTTP 400

JSON | Description
-----|------------
`{"error":"bad.tenant","error\_description":"error in tenant - tenant validation failed: invalid\_tenant"}` | Invalid tenant
`{"error":"bad.client\_id","error\_description":"Missing required property: client_id"}` | Missing client_id
`{"error":"bad.connection","error_description":"Missing required property: connection"}` | Missing connection
`{"error":"bad.connection","error_description":"Connection does not exist"}` | Connection does not exist
`{"error":"bad.connection","error_description":"Connection is disabled"}` | Disabled&nbsp;connection
`{"error":"bad.connection","error_description":"Invalid connection strategy. It must either be a passwordless connection"}` | Invalid connection
`{"error":"bad.authParams","error_description":"error in authParams - invalid type: string (expected object)"}` | Invalid authParams
`{"error":"bad.request","error\_description":"the following properties are not allowed: <INVALID_PARAMETER_VALUE>"}` | Invalid paramaters
`{"error":"bad.phone\_number","error\_description":"Missing required property: phone_number"}` | Missing phone_number
`{"error":"bad.phone\_number","error_description":"String does not match pattern: ^\\+[0-9]{1,15}$"}` | Invalid phone_number format
`{"error":"sms\_provider\_error","error\_description":"<SPECIFIC_PROVIDER_MESSAGE> (Code: <SPECIFIC_PROVIDER_CODE>)"}` | SMS Provider errors

# POST /passwordless/start

### HTTP 400

JSON | Description
-----|------------
`{"error":"bad.tenant", "error\_description":"error in tenant - tenant validation failed: invalid\_tenant"}` | Invalid tenant
`{"error":"bad.client\_id", "error\_description":"Missing required property: client_id"}` | Missing client_id
`{"error":"bad.connection", "error_description":"Missing required property: connection"}` | Missing connection
`{"error":"bad.connection", "error_description":"Connection does not exist"}` | Connection does not exist
`{"error":"bad.connection", "error_description":"Connection is disabled"}` | Disabled&nbsp;connection
`{"error":"bad.connection", "error_description":"Invalid connection strategy. It must either be a passwordless connection"}` | Invalid connection
`{"error":"bad.authParams", "error_description":"error in authParams - invalid type: string (expected object)"}` | Invalid authParams
`{"error":"bad.request", "error\_description":"the following properties are not allowed: <INVALID_PARAMETER_VALUE>"}` | Invalid paramaters
`{"error":"bad.phone\_number", "error\_description":"Missing required property: phone_number"}` | Missing phone_number
`{"error":"bad.phone\_number", "error_description":"String does not match pattern: ^\\+[0-9]{1,15}$"}` | Invalid phone_number format
`{"error":"sms\_provider\_error", "error\_description":"<SPECIFIC_PROVIDER_MESSAGE> (Code: <SPECIFIC_PROVIDER_CODE>)"}` | SMS Provider errors

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