@first-iraqi-bank/sdk
v0.1.0
Published
Accept payment and send payout from and to First Iraqi Bank customers with ease!
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@first-iraqi-bank/sdk
First Iraqi Bank allows you to create online payments in your application using Rest API.
This package helps you integrate the payment API easily on your JavaScript/TypeScript backend server with simple and typed set of functions.
Table of Contents
Installation
npm
npm i @first-iraqi-bank/sdk
yarn
yarn add @first-iraqi-bank/sdk
pnpm
pnpm add @first-iraqi-bank/sdk
deno
direct import with npm:
prefix:
import { PaymentSDK } from "npm:@first-iraqi-bank/sdk@pre/payment"
Or after adding the package to the import maps of your deno.json
file:
{
"imports": {
"@first-iraqi-bank/sdk": "npm:@first-iraqi-bank/sdk@pre"
}
}
import using the name of the package only:
import { PaymentSDK } from "@first-iraqi-bank/sdk/payment"
in deno.json
:
bun
bun add @first-iraqi-bank/sdk
Technical notices
You need to register for the sandbox environment to get your client_id
and client_secret
. Once you are ready to move to production, contact [email protected] to obtain your production credentials.
This package guarantees support for Maintenance and LTS versions of Node.js, starting from v18 of Node.js. if you encountered any issues in this regard, please let us know.
This package guarantees support for ESM and CJS module formats, we prefer and recommend of using ESM everywhere if it works for you.
This package is built on top of the Fetch API and all functions return a
Response
giving you maximum flexibility to parse or ignore the responses you get. Check out Node.js docs - Fetch section which is available since v18.0.0
Usage
You can import the SDK classes and types from the payment
entrypoint:
import { PaymentSDK } from "@first-iraqi-bank/sdk/payment"
The PaymentSDK
class has a static method that gives you an instance of the SDK configured with your API credentials:
// fib.js
import { PaymentSDK } from "@first-iraqi-bank/sdk/payment"
const clientId = process.env.FIB_CLIENT_ID
const clientSecret = process.env.FIB_CLIENT_SECRET
const environment = process.env.FIB_ENV // 'dev', 'stage', or 'prod'
export const FIB = PaymentSDK.getClient(clientId, clientSecret, environment)
Now you can import FIB
from anywhere in your project and call its methods to create payments, check payment status or canceling them.
[!TIP] Checkout FIB Web Payment documentations for more info and how to obtain your credentials
authenticate(signal?: AbortSignal)
: Authenticates the client and returns an access token.createPayment(paymentInput: PaymentInput, accessToken: string, signal?: AbortSignal)
: Creates a payment.getPaymentStatus(paymentId: string, accessToken: string, signal?: AbortSignal)
: Gets the status of a payment.cancelPayment(paymentId: string, accessToken: string, signal?: AbortSignal)
: Cancels a payment.refundPayment(paymentId: string, accessToken: string, signal?: AbortSignal)
: Refunds a payment.
authenticate
This method sends a request to the First Iraqi Bank's identity server, giving you necessary token and other related information to authenticate your next requests like creating or canceling a payment.
import { FIB } from "./fib.js"
const res = await FIB.authenticate()
const { access_token, expires_in } = await res.json()
access_token
is the most important part of the response, since you need to pass it to the next request otherwise it'll fail with Authentication error!
[!IMPORTANT] Access tokens are designed to be short-lived,
expires_in
will tell you how many seconds you have until the access token expires, make sure to fetch a new access token before your next API call by callingauthenticate
as described above.
createPayment
This method sends a request to the First Iraqi Bank's server, creating a payment based on the provided information, which are parameters to function:
payment
: an object with below possible properties:amount
: a number, indicating the payment's amount in IQD. Must be bigger than250
.description
(optional): a string used as description and might be shown to the customer when they try to pay in the FIB app.expiresIn
(optional): a Duration object indicating when the transaction expires, it must be:- Bigger than 5 Minutes
- Smaller than 48 Hours
refundableFor
(optional): a Duration object indicating till when the transaction can be refunded after it was paid, it must be:- Bigger than 12 Hours
- Smaller than 7 Days
statusCallbackUrl
(optional): an instance ofURL
class, this must be the URL of your backend and specifically of an endpoint that can acceptPOST
request, as FIB backend will call this endpoint when the status of the transaction changes. Omit it if you're not interested.
accessToken
: a previously fetched access token fromauthenticate
method.signal
(optional): an AbortSignal that can use to abort the fetch request. Checkout Canceling a request on MDN for detailed explanation.
Example:
import { FIB } from "./fib.js"
const paymentInput = {
amount: 1000, // amount in IQD
description: "Payment for Order #12345",
statusCallbackUrl: new URL("https://your.callback.url/status"),
refundableFor: { days: 1 },
expiresIn: { hours: 1 },
}
const authRes = await FIB.authenticate()
const { access_token } = await authRes.json()
const res = await FIB.createPayment(paymentInput, access_token)
This method returns a JSON response, that is the details of transaction that you just created, represented by Payment
type:
paymentId
: a string indicating the id of the paymentreadableCode
: a 12-character alpha-numeric string used to generate theqrCode
property.qrCode
: a URL-encoded PNG image that can be shown to the user to scan and pay the amount.validUntil
: a string indicating until when this payment is valid.personalAppLink
: a string representing the personal deep link that users can visit which automatically opens the payment details in the FIB app.businessAppLink
: a string representing the personal deep link that users can visit which automatically opens the payment details in the FIB app.corporateAppLink
: a string representing the personal deep link that users can visit which automatically opens the payment details in the FIB app.
[!TIP] Users can pay the amount either by scanning the QRCode, manually typing the
readableCode
or visiting the deep-links likepersonalAppLink
, we recommend showing all 3 options to the user to make it more convenient for your users to fulfill the payment
Users might refresh your page, or close your application and come back, make sure you save the transaction details in your database as it contains information that can helpful to you or your customers later.
getPaymentStatus
When you generated a payment, you can use this method to retrieve information about the status of the payment, this provides details on when the payment is paid, or if its canceled then why and some other useful information:
import { FIB } from "./fib.js"
const authRes = await FIB.authenticate()
const { access_token } = await authRes.json()
const res = await FIB.getPaymentStatus(paymentId, accessToken)
cancelPayment
When a payment is created, you might want to cancel the payment for any reason, this can be done before he payment is fulfilled:
import { FIB } from "./fib.js"
const authRes = await FIB.authenticate()
const { access_token } = await authRes.json()
const res = await FIB.cancelPayment(paymentId, accessToken)
refundPayment
After a payment is fulfilled, it can be refunded depending on the refundableFor
option you created the payment with:
import { FIB } from "./fib.js"
const authRes = await FIB.authenticate()
const { access_token } = await authRes.json()
const res = await FIB.refundPayment(paymentId, accessToken)
Types
PaymentInput
type PaymentInput = {
amount: number
description?: string
statusCallbackUrl?: URL
expiresIn?: Duration
refundableFor?: Duration
}
PaymentResponse
type PaymentResponse = {
paymentId: string
readableCode: string
qrCode: string
validUntil: string
personalAppLink: string
businessAppLink: string
corporateAppLink: string
}
PaymentStatusResponse
type PaymentStatusResponse = {
paymentId: string
amount: MonetaryValue
status: "UNPAID" | "DECLINED" | "PAID" | "REFUNDED" | "REFUND_REQUESTED"
paidAt?: string
decliningReason?: "PAYMENT_CANCELLATION" | "PAYMENT_EXPIRATION"
declinedAt?: string
paidBy?: { name: string; iban: string }
}
Error Handling
There are two types of errors you might want to watch out for:
When the requests return a
Response
, but its not in2xx
range, in this case FIB backend returns an error message and some traceId, that we can inspect the request for you if the error is not expected.const res = await FIB.getPaymentStatus(paymentInput, accessToken) if(res.status !== 200){ const { errors } = await res.json() }
When the request fails with an
Error
, which might happen for several reasons, for example aNetworkError
or other runtime exceptions.try{ const res = await FIB.getPaymentStatus(paymentInput, accessToken) const { status } = await res.json() return status }catch(error){ console.log("Something went wrong", error) return null }
Contributing
If you encounter any bugs or issues while using the SDK, we encourage you to report them by filing an issue on our GitHub repository. Your feedback helps us improve the SDK.
Additionally, if during the discussion of an issue you feel that you can contribute a code change to resolve the problem, we warmly welcome your contributions. To do so, please submit a pull request with your proposed changes.