bKash Payment Gateway Integration

Reliable bKash integrations built and monitored by engineers

Integrating bKash is essential for digital commerce in Bangladesh, but handling mobile payments reliably requires more than calling an endpoint. From token grants and refresh cycles to webhooks and ledger reconciliation, small flaws cause dropped transactions or duplicate payments. We build robust Bangladesh mobile payment integration setups using the bKash API and bKash tokenized checkout across web and mobile apps. Our workflow uses AI coding tools to accelerate boilerplate generation, payload schemas, and mock testing, while experienced software engineers in Dhaka direct the architecture, secure credential storage, and enforce idempotent callback processing. Every integration includes automated retry logic, ledger verification, and failure recovery states so your checkout remains dependable at scale.

AI-assisted, expert-led bKash integration

How AI assists

Generates API client boilerplate, request schemas, and signature verification routines for the bKash API
Drafts unit tests for token refresh cycles, timeout scenarios, and simulated network interruptions
Scaffolds database migration scripts for transaction logs, refund records, and idempotency keys
Parses bKash sandbox response logs to trace error codes, malformed payloads, and failed callbacks

What our experts own

Engineers architect secure key management, keeping merchant credentials and app secrets out of client code
Engineers design idempotent payment execution and webhook handlers to prevent double-charging or missed credits
Specialists audit error recovery flows, ensuring clear customer UI states when bKash sessions expire or fail
Our team verifies end-to-end sandbox and production transactions before approving live deployment

How a bKash payment is processed and verified

Illustrative transaction flow; your backend architecture and agreement model determine exact implementation.

Create payment
Customer selects bKash at checkout; your server calls the bKash API to create a payment session and returns the checkout URL.
Customer authorization
Buyer enters credentials and OTP on the official bKash interface; bKash redirects back with a paymentID and status.
Checkpoint: Authentication verified by bKash
Execute payment
Your backend receives the callback and executes the transaction against bKash, validating transaction status and amount.
Order fulfillment
Your system records the bKash trxID, updates order state to paid, and dispatches invoice and confirmation messages.
Daily reconciliation
Scheduled batch jobs cross-check internal payment records with bKash settlement reports to flag any discrepancies.
Checkpoint: Finance team reviews unmapped records

When something fails: Failed executions query bKash payment status before retrying; unresolved attempts trigger alerts and leave orders in a pending-review state.

What you receive

What your bKash project can include

Tokenized checkout implementation
Seamless bKash tokenized checkout integration allowing recurring charges, 1-click repeat payments, and saved agreements without re-entering account details.
Direct payment gateway integration
Standard checkout flows connecting your web or mobile app to the bKash payment gateway with clean redirects and instant callback handling.
Idempotent webhook handlers
Server endpoints that verify incoming bKash callbacks, log transaction IDs, and process events once to eliminate duplicate order confirmations.
Automated refund & query APIs
Integration with bKash payment status query and refund endpoints to handle order cancellations, dispute checks, and reversals cleanly.
ERP and ledger reconciliation
Automated reconciliation jobs comparing bKash statement records against your database or ERP, flagging missing or mismatched transactions.
Mobile SDK & app integration
Native iOS, Android, and cross-platform integrations using official bKash merchant SDKs or webview bridges optimized for low-latency checkout.

Prepare an integration that your team can operate

Access and inputs
Provide access to your bKash developer portal or sandbox credentials, app repositories, and server hosting environment. Define required payment models such as one-time checkout or tokenized recurring billing.
A realistic first scope
Choose a defined checkout flow first. Webhook listeners, error boundaries, and idempotency logic are implemented and validated before introducing recurring subscription tokens or ERP automated ledgers.
Handover and maintenance
We deliver verified integration code, transaction retry instructions, webhook logs, and reconciliation guides. Your team manages production keys, with ongoing maintenance available under an agreed support plan.

How we deliver your bKash project

01
Account audit and API scoping
Review your bKash merchant portal status, credential readiness, checkout UX, and server stack to select tokenized or checkout URL integration.
02
Sandbox build and contract testing
Implement authentication, payment execution, and webhook routes against the bKash sandbox, verifying edge cases and timeout handling.
03
Live credential migration and UAT
Configure production credentials securely, execute controlled real-money test transactions, and verify automated ledger and notification logs.
04
Production rollout and monitoring
Staged deployment with error tracking and reconciliation alerts enabled, followed by ongoing API maintenance and version updates.

Two ways to work with AI tools

AI helps draft integration code and contract tests. Choose where it may process your code and API data.

Private / Local AI Engineering
Privately hosted models inside infrastructure you control or an agreed isolated environment.
Discuss with this package
Claude Code / OpenAI Codex Engineering
Claude Code and/or OpenAI Codex with cloud settings your organization approves.
Discuss with this package

Not sure? We'll recommend one during scoping. Compare AI delivery options

FAQ

Frequently Asked Questions

What is the difference between bKash tokenized checkout and standard checkout?

Standard checkout redirects buyers to bKash to authenticate every transaction manually. Tokenized checkout creates a secure payment agreement on the first transaction, allowing subsequent 1-click payments or recurring subscription charges without leaving your app, ideal for high-frequency or subscription platforms.

How do you prevent duplicate charges if a network timeout occurs during payment?

We implement idempotency keys and backend query calls. When an execute payment call times out or drops, our server immediately invokes the bKash payment query API using the paymentID to confirm actual gateway status before initiating any retry or marking an order as failed.

Do we need an approved bKash merchant account before starting integration?

We can build and test your entire integration in the bKash sandbox environment using test credentials. However, live deployment and production testing require an active bKash merchant account with production API credentials issued by bKash.

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