POST /0.2/link_account HTTP/1.1
sandbox.silamoney.com
Content-Type: application/json
// if using OAuth2
Authorization: Bearer [GENERATED JWT TOKEN HERE]
// if using ECDSA
authsignature: [GENERATED AUTHSIGNATURE HEX STRING HERE]
usersignature: [GENERATED USERSIGNATURE HEX STRING HERE]

***Link Account with Plaid 
{
  "header": {
    "created": 1234567890, 
    "app_handle": "app_handle", 
    "user_handle":"user_handle", 
    "version": "0.2", 
    "reference": "<your unique id>"
  }, 
  "provider_token": "processor-xxx-xxx", //required
  "provider": "plaid", //required
  "account_name": "Custom Account Name", 
  "selected_account_id": "selected_account_id", 
  "account_type": "CHECKING", 
  "provider_token_type": "processor"
}

***Link Account with MX
{
  "header": {
    "created": 1234567890, 
    "app_handle": "app_handle", 
    "user_handle":"user_handle", 
    "version": "0.2", 
    "reference": "<your unique id>"
  }, 
  "provider_token": "authorization_code-xxx-xxx", //required
  "provider": "mx", //required
  "account_name": "Custom Account Name",
  "provider_token_type": "processor" //required
}

***

HTTP/1.1  200 OK

{
    "success": true,
    "message": "Bank account successfully linked with status \"processor_token\".",
    "reference": "1727283525",
    "sila_reference_id": "sila_assigned_id",
    "account_name": "<account_name>",
    "account_owner_name": "",
    "payment_instrument_id": "<uuid string>",
    "entity_name": "",
    "match_score": 0.825,
    "provider": "PLAID",
    "web_debit_verified": true,
    "capabilities": {
        "aba_routing_number": "<routing_number>",
        "fednow": {
            "credit_enabled": false,
            "debit_enabled": false
        },
        "rtp": {
            "credit_enabled": true,
            "debit_enabled": true
        }
    },
    "status": "SUCCESS",
    "response_time_ms": "1418"
}

Request - /link_account

// Plaid verification flow
const res = await Sila.linkAccount(
  userHandle,
  walletPrivateKey,
  token,
  accountName, // Account Name is not required
  accountId, // Account Id parameters is required,
  plaidTokenType, // Required.'processor,'
);

// MX verification flow
const res = await sila.linkAccountMX(
    handle,
    walletPrivateKey,
    providerTokenType,
    providerToken,
    accountName,
    selected_account_id
);

Success Response

console.log(res.statusCode); // 200
console.log(res.data.reference); // Random reference number
console.log(res.data.status); // SUCCESS

// Direct account-linking flow (restricted by use-case, contact Sila for approval)
const res = await Sila.linkAccountDirect(
  userHandle,
  walletPrivateKey,
  accountNumber,
  routingNumber,
  accountName,
  accountType
); 
// Account Type and Account Name parameters are not required
// The only permitted account type is "CHECKING"


console.log(res.statusCode); // 200
console.log(res.data.reference); // Random reference number
console.log(res.data.status); // SUCCESS
console.log(res.data.success);
console.log(res.data.message); // Bank account successfully linked
console.log(res.data.account_name);
console.log(res.data.match_score);
console.log(res.data.account_owner_name);
console.log(res.data.entity_name);
console.log(res.data.provider);
console.log(res.data.web_debit_verified); // true/false

### Link Account with MX
payload = {
"user_handle": user_handle,
"provider": "mx",
"provider_token_type": “processor”,
     "provider_token":"<token_id>",
"account_name": 'default_mx',
"selected_account_id": "<account_id>"
}

response = silasdk.User.linkAccount(
app, payload, eth_private_key, False,True)

### Link Account with Plaid
payload = {
"public_token": "public-development-0dc5f214-56a2-4b69-8968-f27202477d3f",  # Required token from plaid
"user_handle": "user_handle",                                                 # Required
    "account_name": "Custom Account Name",                                       # Optional (default value is "default")
    "selected_account_id": "account id",                                        # Optional
    "plaid_token_type": "plaid token type"                                      # Optional}                                         

User.linkAccount(silaApp, payload, user_private_key, plaid=True)

### Link Account with Direct Account Linking
payload={
            "user_handle": "user_handle",           # Required
            "account_number": "123456789012",       # Required
            "routing_number": "123456780",          # Required
            "account_type": "CHECKING",             # Optional (default value is CHECKING)
            "account_name": "Custom Account Name"   # Optional (default value is "default"),
        }

User.linkAccount(silaApp,payload,user_private_key)

### Success Response Object
{
    "success": true,
    "account_name": "Gringotts Savings",
    "account_owner_name": "",
    "entity_name": "Postman User",
    "match_score": 0.9
    "message": "Bank account successfully linked.",
    "provider": "MX",
    "reference": "2910ca97-9cb6-4d36-a6fe-591159c61865",
    "response_time_ms": "1262",
    "status": "SUCCESS",
    "web_debit_verified": true
}

// Link account with Plaid
String userHandle = 'user_handle';
String accountName = 'plaid'; // Your desired account name
String publicToken = 'public-sandbox-xxx' // Your Plaid token
String userPrivateKey = 'some private key';
String accountId = 'plaid account id'; // Required
String plaidTokenType = "Processor";

ApiResponse response = api.linkAccountPlaidToken(userHandle, userPrivateKey, accountName, publicToken, accountId, plaidTokenType);

// Link account with MX
String provider ="mx";
String providerTokenType ="processor";
String userHandle = "user_handle";
String userPrivateKey = "user private key";
String providerToken = "provider token";

ApiResponse response = api.linkAccountMX(userHandle,
     userPrivateKey,providerToken,provider,providerTokenType);

// Link Account directly (restricted by use-case, contact Sila for approval)
String userHandle = 'user_handle';
String accountName = 'direct'; // Your desired account name
String accountNumber = '123456789012';
String routingNumber = '123456780';
String accountType = 'CHECKING'; // Currently the only allowed value
String userPrivateKey = 'some private key';

ApiResponse response = api.linkAccount(userHandle, userPrivateKey, accountName, accountNumber, routingNumber, accountType);


// Success Response
System.out.println(response.getStatusCode()); // 200
LinkAccountResponse parsedResponse = (LinkAccountResponse) response.getData();
System.out.println(parsedResponse.getStatus()); // SUCCESS
System.out.println(parsedResponse.getSuccess()); // true
System.out.println(parsedResponse.getReference()); // Reference number
System.out.println(parsedResponse.getMessage()); // Successfully linked
System.out.println(parsedResponse.getAccountName()); // Your desired account name
System.out.println(parsedResponse.getMatchScore()); // Match score
System.out.println(parsedResponse.getAccountOwnerName());
System.out.println(parsedResponse.getEntityName());
System.out.println(parsedResponse.getWebDebitVerified()); // true/false
System.out.println(parsedResponse.getProvider()); // 'plaid' | 'mx'

API Endpoint - /link_account

/**
 * Link with Plaid
 *
 * IMPORTANT! If you do not specify an `$account_id` in `linkAccount()`, the first 
 * account returned by Plaid will be linked by default.
 **/
use Silamoney\Client\Domain\PlaidTokenType;

$userHandle = 'user_handle';
$accountName = 'Custom Account Name'; // Defaults to 'default'
$plaidToken = 'public-xxx-xxx'; // A temporary token returned from the Plaid Link plugin. See above for testing.
$accountId = 'string'; // Recommended but not required. See note above.
$userPrivateKey = 'some private key'; // The private key used to register the specified user
$plaidTokenType = PlaidTokenType::Processor(); // Optional.  PROCESSOR

$response = $client->linkAccount($userHandle, $userPrivateKey, $plaidToken, $accountName, $accountId, $plaidTokenType);

/**
 * Link with MX
 **/

$accountName = "defaultMx";
$accountId = "123456780";
$provider = "mx";
$providerTokenType = "processor";

// Making call to API
$response = $client->linkAccountMx(
	$handle,
	$privateKey,
	$provider,
	$providerToken,
	$providerTokenType,
	$accountName
);


/**
 * Link with Direct Account information
 *
 * (Restricted by use-case, contact Sila for approval)
 **/

$userHandle = 'user_handle';
$accountName = 'Custom Account Name'; // Defaults to 'default' if not provided. (not required)
$routingNumber = '123456789'; // The routing number. 
$accountNumber = '123456789012'; // The bank account number
$userPrivateKey = 'some private key'; // The private key used to register the specified user
$accountType = 'CHECKING'; // The account type (not required). Only available value is CHECKING

$response = $client->linkAccountDirect($userHandle, $userPrivateKey, $accountNumber, $routingNumber, $accountName, $accountType);

/**
 * Response structure (200 Success)
 **/
echo $response->getStatusCode(); // 200
echo $response->getData()->getStatus(); // SUCCESS
echo $response->getData()->getReference();
echo $response->getData()->getMessage();
echo $response->getData()->getAccountName();
echo $response->getData()->getAccountOwnerName();
echo $response->getData()->getEntityName();
echo $response->getData()->getMatchScore();
echo $response->getData()->getWebDebitVerified();

// Link Account with Plaid
ApiResponse<object> response = api.LinkAccount(userHandle, publicToken, walletPrivateKey, accountName, accountId, plaidTokenType);
// Account Name is not required 
// Account Id is required
// plaidTokenType is not required



// Link Account with MX
ApiResponse<object> response = api.LinkAccountMx(userHandle, userPrivateKey, provider, providerTokenType, providerToken);
// Account Name is not required 
// Account Id is not required 

// Link Account with Direct Account information
ApiResponse<object> response = api.LinkAccountDirect(userHandle, walletPrivateKey, accountNumber, routingNumber, accountType, accountName);
// Account Name is not required 
// Account Type is not required  


// Success Response Object

Console.WriteLine(response.StatusCode); // 200
var parsedResponse = (LinkAccountResponse)response.Data;

Console.WriteLine(parsedResponse.Success); // true
Console.WriteLine(parsedResponse.Status); // SUCCESS
Console.WriteLine(parsedResponse.Reference); // Random reference number
Console.WriteLine(parsedResponse.ResponseTimeMs); // 2345
Console.WriteLine(parsedResponse.Message); // Bank account successfully linked.
Console.WriteLine(parsedResponse.AccountName); // Custom Account Name.
Console.WriteLine(parsedResponse.MatchScore); // 0.825           
Console.WriteLine(parsedResponse.AccountOwnerName); //Sally Smith
Console.WriteLine(parsedResponse.EntityName); //Sally Smith
Console.WriteLine(parsedResponse.WebDebitVerified); //true
Console.WriteLine(parsedResponse.Provider); //'mx' | 'plaid'