Server Side Changes - 5 lines of code

export const getPlaidClient = (): PlaidApi => {
  const configuration = new Configuration({
    basePath: `${FUSE_BASE_URL}/v1/plaid`,
    baseOptions: {
      headers: {
        "Plaid-Client-Id": plaidClientId,
        "Plaid-Secret": plaidSecret,
        "Plaid-Version": plaidVersion,
        "Fuse-Client-Id": fuseClientId,
        "Fuse-Api-Key": fuseSecret,
      },
    },
  });

  return new PlaidApi(configuration);
};

configuration = plaid.Configuration(
    host="{}/v1/plaid".format(base_url),
    api_key={
        'clientId': plaid_client_id,
        'secret': plaid_secret,
    }
)

plaid_api_client = plaid.ApiClient(configuration)
plaid_api_instance = plaid_api.PlaidApi(plaid_api_client)
plaid_api_client.default_headers["Fuse-Client-Id"] = fuse_client_id
plaid_api_client.default_headers["Fuse-Api-Key"] = fuse_secret

    const linkTokenCreateRequest: LinkTokenCreateRequest = {
      // When no client secret and institution id is passed in, a plaid (not fuse) link token is returned
      // This allows deploying the backend changes first before the frontend changes
      ...(sessionClientSecret && {
        session_client_secret: sessionClientSecret,
      }),
      ...(institutionId && {
        institution_id: institutionId,
      }),
      client_name: "my-client-name",
      user: {
        client_user_id: "my-entity-id",
      },
      language: "en",
      country_codes: [CountryCode.Us],
      products: [Products.Auth, Products.Identity, Products.Transactions],
      account_filters: {
        depository: {
          account_subtypes: [DepositoryAccountSubtype.All],
        },
      },
    };

    const linkToken = await getPlaidClient().linkTokenCreate(
      linkTokenCreateRequest
    );

   create_link_token_response = plaid_api_instance.link_token_create(link_token_create_request=LinkTokenCreateRequest(
      session_client_secret=client_secret,
      institution_id=institution_id,
     	language="en",
      user=LinkTokenCreateRequestUser(client_user_id="my-entity-id"),
      country_codes=plaid_countries,
      products=plaid_products,
      client_name="my-client-name"
    ))