Akoya API Integration Services for FDX-Aligned US Open Finance

Open finance works best when customers know what they are sharing and applications receive data in a predictable structure. The technical work is not only retrieving accounts. It is managing consent, short-lived tokens, provider differences, pagination and the intent headers that explain why data is being accessed.

FintegrationFS provides Akoya API integration services for US personal finance, wealth, lending, payment and account-opening products. We help teams implement the Akoya authorization flow and API v3 data products using an internal architecture that can support FDX-aligned financial data.

Akoya API v3 for Consumer-Permissioned Financial Data

Akoya provides authentication, data and service APIs. Data APIs can include accounts, balances, transactions, customer information, statements, investments and payments, depending on subscriptions and participating providers.

New customers should implement API v3. Akoya deprecated v2 in February 2026 and directs new implementations to v3. Version migration and required intent headers should therefore be part of the page and technical plan.

Akoya API Use Cases for US Fintech Products

• Personal finance and budgeting applications

• Wealth and held-away account aggregation

• Lending and credit-enhancement workflows

• Account opening and identity-supporting data

• Transaction and cash-flow analysis

• Statement retrieval and document workflows

• Payment enablement using permissioned account information

• Financial planning and business-management tools

Our Akoya API Integration Services

• Data Recipient Hub and application setup support

• OAuth authorization-code and token flow implementation

• ID-token and refresh-token management

• Akoya API v3 migration planning

• Accounts, balances and transaction integration

• Customer, statement, investment and payment products

• Required interaction, access and intent headers

• FDX-aligned normalization and internal data models

• Pagination, token refresh and error handling

• Consent revocation and user disconnect workflows

• Testing across sandbox providers and account categories

• Monitoring, security review and production support

Akoya API Architecture for Consent and Token Management 

Create the application and subscriptions in the Akoya Data Recipient environment.

Redirect the consumer through the provider authorization and account-selection journey.

Exchange the authorization code for ID and refresh tokens.

Store tokens only on protected backend infrastructure.

Call the subscribed data APIs with the user ID token and required v3 intent headers.

Normalize FDX-aligned responses into your internal account and transaction model.

Refresh tokens when needed and handle provider-specific token lifetime behavior.

Revoke tokens and remove access when the customer disconnects the institution.

Akoya documentation advises applications to assume short token lifetimes and automatically refresh expired tokens. The integration should treat a 401 response as a controlled recovery case, not a reason to ask the customer to reconnect immediately.

Technical Code Example: Retrieve Akoya v3 Transactions 

const BASE_URL = "https://sandbox-products.ddp.akoya.com"; 
 
export async function getAkoyaTransactions({ 
  idToken, providerId, accountId, startTime, endTime 
}) { 
  const url = new URL( 
    `${BASE_URL}/transactions/v3/${providerId}/${accountId}` 
  ); 
 
  url.searchParams.set("mode", "standard"); 
  if (startTime) url.searchParams.set("startTime", startTime); 
  if (endTime) url.searchParams.set("endTime", endTime); 
 
  const response = await fetch(url, { 
    headers: { 
      Authorization: `Bearer ${idToken}`, 
      Accept: "application/json", 
      "x-akoya-interaction-type": "user", 
      "x-akoya-last-access": new Date().toISOString(), 
      "x-akoya-intent-type": "PFM" 
    } 
  }); 
 
  if (response.status === 401) { 
    throw new Error("Akoya token expired; refresh and retry once"); 
  } 
  if (!response.ok) { 
    throw new Error(`Akoya request failed: ${response.status}`); 
  } 
 
  return response.json(); 
} 

FDX-Aligned Does Not Mean Provider Differences Disappear

Standardized fields reduce integration complexity, but participating providers may differ in supported account categories, transaction history, statements, token behavior and product subscriptions. Build capability checks and graceful empty states rather than assuming every provider returns every field.

• Map provider and account capability coverage

• Use persistent transaction IDs when provided

• Handle pagination and date windows consistently

• Preserve raw reason codes for support

• Record consent and last-access timestamps

• Display data freshness and unavailable fields honestly

• Test deposit, credit, loan and investment accounts separately

Why FintegrationFS for Akoya API Integration Services?

We can help connect FDX-aligned provider data to the product experience, data warehouse, underwriting workflow or payment layer. Our team designs the token service, provider adapter, normalized schema and operational tools needed for a reliable implementation.

Build an Akoya and FDX Integration

Share the providers, data products, intended use and customer journey. We can help create an Akoya v3 implementation plan and proof of concept before a broader rollout.

Frequently Asked Questions

What is the Akoya API used for?

Akoya APIs can provide consumer-permissioned account, balance, transaction, customer, statement, investment and payment-related data for subscribed products and participating providers.

Should a new Akoya integration use API v3?

Yes. Akoya states that v2 was deprecated in February 2026 and new customers should implement v3.

What token is used for Akoya data APIs?

The data APIs use an ID token associated with the permissioned consumer. Refresh tokens are used to obtain new tokens as required.

What does FDX-aligned data mean?

FDX provides standardized financial-data structures and interaction conventions. Applications still need to handle product and provider capability differences.

Does FintegrationFS provide access to the Akoya network?

No. Customers join and subscribe through Akoya. FintegrationFS provides independent technical integration services.