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Account Collection

A pre-built UI to collect bank account details from end users

The embeddable Account Collection UI allows you to easily collect account details from end users with low development effort. Modern Treasury securely handles sensitive bank account information so that you do not have to. The form handles tasks like input validation and errors. Modern Treasury dynamically collects fields based on the payment type and geography, helping ensure that payments are successfully processed by banking partners.

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This guide describes how to embed this pre-built Account Collection UI in your application. The Account Collection UI currently supports domestic payments (e.g. ACH, wire and check) as well as international wires originating from the United States to the following countries:

  • Australia
  • Belgium
  • Canada
  • Chile
  • China
  • Colombia
  • France
  • Germany
  • Hong Kong
  • India
  • Ireland
  • Italy
  • Mexico
  • Netherlands
  • Peru
  • Spain
  • United Kingdom

Please contact Support if you are interested in additional payment types and geographies.

1. Retrieve your API Key

Dashboard: Go to your API Keys page. There you will find your Organization ID and API keys. Your default Sandbox or Production keys have the appropriate permissions. Otherwise, create or modify an API key to have manage permissions for Developer Resources.

2. Create a Counterparty

Server-side: Create a counterparty for the end user whose bank account information you will be collecting.

curl --request POST \
  -u ORGANIZATION_ID:API_KEY \
  --url https://app.moderntreasury.com/api/counterparties \
  -H 'Content-Type: application/json' \
  -d '{
    "name": "John Johns"
  }'

The API request will return a Counterparty object, and the id will be used in the next step.

{
  "id":"37ba4454-dd33-4aa0-8906-0e2e4103e45c",
  "object": "counterparty",
  "name": "John Johns",
  "email": null,
  "send_remittance_advice": false,
  "metadata": {},
  "accounts": {},
  "live_mode": true,
  "created_at": "2019-11-09T00:11:07Z",
  "updated_at": "2019-11-09T00:11:07Z"
}

3. Create an Account Collection Flow

Server-side: Create an Account Collection Flow

In addition to the counterparty_id, specify which payment_types you want the account to support. Modern Treasury will customize the embedded form to collect fields commonly required for the payment types. If you encounter any issues, please reach out to Support.

curl --request POST \
	-u ORGANIZATION_ID:API_KEY \
	--url https://app.moderntreasury.com/api/account_collection_flows \
	-H 'Content-Type: application/json' \
	-d '{
		"counterparty_id": "37ba4454-dd33-4aa0-8906-0e2e4103e45c",
		"payment_types": ["ach"]
	}'

curl --request POST \
	-u ORGANIZATION_ID:API_KEY \
	--url https://app.moderntreasury.com/api/account_collection_flows \
	-H 'Content-Type: application/json' \
	-d '{
		"counterparty_id": "37ba4454-dd33-4aa0-8906-0e2e4103e45c",
		"payment_types": ["wire"],
    		"receiving_countries": ["MEX"]
	}'

This API request will return an Account Collection Flow object. The client_token will be used in future steps.

{
  "id": "454e874b-ff1d-46e8-9d22-0464615cf1e0",
  "object": "account_collection_flow",
  "live_mode": true,
  "client_token": "ac-QVj2yTSt6qRNAzXQGKLHS9qfLF7Gs5JcCYHT5xztgjucGRbS6VfrJBpaNo5SrmfZ",
  "status": "pending",
  "payment_types": ["ach"],
  "receiving_countries": ["USA"],
  "counterparty_id": "c03581a8-c948-41a9-889a-e5228390fd80",
  "external_account_id": null,
  "created_at": "2023-02-18T03:23:48Z",
  "updated_at": "2023-02-18T03:23:48Z"
}

{
  "id": "454e874b-ff1d-46e8-9d22-0464615cf1e0",
  "object": "account_collection_flow",
  "live_mode": true,
  "client_token": "ac-QVj2yTSt6qRNAzXQGKLHS9qfLF7Gs5JcCYHT5xztgjucGRbS6VfrJBpaNo5SrmfZ",
  "status": "pending",
  "payment_types": ["wire"],
  "receiving_countries": ["MEX"],
  "counterparty_id": "c03581a8-c948-41a9-889a-e5228390fd80",
  "external_account_id": null,
  "created_at": "2023-02-18T03:23:48Z",
  "updated_at": "2023-02-18T03:23:48Z"
}

🚧

Only use API Keys server-side

Please make sure you are creating Counterparty and AccountCollectionFlow objects from your backend servers. API Keys are secret and should not be used directly in client-side applications.

4. Retrieve Publishable API Key

Dashboard: Go to your Publishable API Keys page. There, you will find your Publishable API Keys. If you do not have one, create one.

5. Mount the Embeddable Flow

Add modern-treasury-js

Client-side: You first need to add modern-treasury-js to your application. We recommend installing the library from NPM, but you can also directly install the script from our CDN.

npm install --save @modern-treasury/modern-treasury-js

yarn add @modern-treasury/modern-treasury-js

<script src="https://cdn.moderntreasury.com/js/v1/modern-treasury.js"></script>

Initialize ModernTreasury

Client-side: Initialize ModernTreasury with your Publishable API Key from the previous step.

import { loadModernTreasury } from "@modern-treasury/modern-treasury-js";
 
const modernTreasury = await loadModernTreasury("publishable-test-MDAiy2...");

const modernTreasury = ModernTreasury("publishable-test-MDAiy2...");

Create an Embeddable Flow

Client-side: The next step is to create the EmbeddableFlow. You must pass the client_token from the previous step. While not required, we recommend defining an onSuccess callback to handle what happens after an end-user successfully completes the flow. Similarly, we recommend defining an onError callback to handle any unexpected errors. Visit createEmbeddableFlow documentation for full details.

import { EmbeddableFlow } from "@modern-treasury/modern-treasury-js";    

const embeddableFlow: EmbeddableFlow = modernTreasury.createEmbeddableFlow({
  clientToken: "ac-test-rWbNg...",
  onSuccess: (result) => { /* Navigate to your next page */ },
  onError: (error) => { /* Handle errors */ }
});

const embeddableFlow = modernTreasury.createEmbeddableFlow({
  clientToken: "ac-test-rWbNg...",
  onSuccess: (result) { /* Navigate to your next page*/ },
  onError: (error) => { /* Handle errors*/ }
});

(Optional) Customize Appearance

Client-side: You can customize the appearance of embeddable flows to match the look and feel of your application. Check out our createEmbeddableFlow documentation to see how to customize properties like colors and font.

(Optional) Set Locale Preference

Client-side: You can modify the language of the account collection flow. Visit the createEmbeddableFlow documentation for more details.

Mount the Embeddable Flow

Client-side: Now that you have an EmbeddableFlow, you need to add it to the DOM. You can mount the flow to a valid CSS selector or a DOM element. After successfully mounting, the end-user will be able to start progressing through the flow.

embeddableFlow.mount("#put-iframe-here")

embeddableFlow.mount("#put-iframe-here")

Summary

After following all of these steps, you may have something that looks like this:

import React, { useEffect } from "react";
import { loadModernTreasury } from "@modern-treasury/modern-treasury-js";

function App() {
  useEffect(() => {
    const initModernTreasury = async () => {
      const modernTreasury = await loadModernTreasury("publishable-test-MDAiy2...");

      if (modernTreasury) {
        const embeddableFlow = modernTreasury.createEmbeddableFlow({
          clientToken: "ac-test-rWbNg...",
          onSuccess: (result) => { /* Handle Success */ },
          onError: (error) => { /* Handle Error */ }
        });

        embeddableFlow.mount("#put-iframe-here");
      }
    };

    void initModernTreasury();
  }, []);
  
  return (
    <div className="App">
      <div id="put-iframe-here" />
    </div>
  );
}

<!-- To run this example locally you'll need to serve the page, this can be done by -->
<!-- running `python3 -m http.server 8081` in the same directory as the html file. -->

<!DOCTYPE html>
<html>
  <script src="https://cdn.moderntreasury.com/js/v1/modern-treasury.js"></script>
  <body>
    <h1>My Heading</h1>
    <div id="put-iframe-here"></div>
  </body>
  <script>
    // Initialize Modern Treasury library
    const mt = ModernTreasury("publishable-test-MDAiy2...");

    // Create the Embeddable Flow
    const embeddableFlow = mt.createEmbeddableFlow({
      clientToken: "ac-test-rWbNg...",
      onSuccess: (result) => { /* Handle Success */ },
      onError: (error) => { /* Handle Error */  },
    });
    
    // Mount the Embeddable Flow
    embeddableFlow.mount("#put-iframe-here")
  </script>
</html>

6. End-User Submits Account Details

Client-side: Once the flow is mounted, the end-user will follow the embedded Account Collection flow and submit their account details. Once complete, we will create an ExternalAccount associated with the given Counterparty, save it to the AccountCollectionFlow, and move the AccountCollectionFlow#status to completed. We will also call the onSuccess callback so that you can customize your success behavior and navigate to the next page.

Updated 8 months ago

What’s Next