Common M-PESA API Errors

Efficient payment processing is crucial for your business, ensuring a smooth experience for your customers. However,Common M-PESA API errors can disrupt transactions, affecting customer satisfaction and business operations. Understanding these errors, their causes, and solutions will help you optimize your payment system.

Our WooCommerce M-PESA plugin simplifies payment processing by integrating directly with M-PESA’s STK Push. This ensures seamless transaction handling.

1. Error Code: 1037 – DS Timeout (User Cannot Be Reached)

Cause:

• An outdated SIM card may not support updated STK functionality.
• Network issues, such as poor reception or an offline phone, prevent the prompt from reaching the user.

Solution:

• Users should update their SIM cards by dialing 2341*6# or visiting a Safaricom agent.
• Encourage users to check their network connection and ensure their phone is online.

2. Error Code: 1025 – Error Sending Push Request

Cause:

• A temporary issue within the transaction request system.

Solution:

• Retry the request and ensure both the system and the customer’s network connection are stable.

3. Error Code: 9999 – Error Sending Push Request

Cause:

• The transaction request exceeds 182 characters, causing rejection.

Solution:

• Keep messages concise and within the 182-character limit.

4. Error Code: 1037 – No Response from User

Cause:

• The STK Push prompt reached the customer, but they did not respond in time. Backend delays often cause this issue.

Solution:

• Retry the transaction and notify the user about the incomplete request.

5. Error Code: 1032 – Request Canceled by User

Cause:

• The STK Push prompt timed out while waiting for user input.
• The user manually canceled the transaction.

Solution:

• Inform users they either canceled the request or did not respond in time. They can initiate a new request if needed.

6. Error Code: 1 – Insufficient Balance

Cause:

• The user does not have enough funds in their M-PESA account.
• The user declined to use the Fuliza overdraft service.

Solution:

• Advise users to top up their M-PESA balance or opt into Fuliza when prompted.

7. Error Code: 2001 – Invalid Initiator Information

Cause:

• The initiator entered incorrect credentials.
• The user provided the wrong M-PESA PIN during STK Push validation.

Solution:

• Ensure users enter the correct credentials and PIN when authorizing transactions.

8. Error Code: 1019 – Transaction Expired

Cause:

• The transaction exceeded the allowable processing time.

Solution:

• Encourage users to respond promptly to the STK Push prompt to avoid expiration.

9. Error Code: 1001 – Unable to Lock Subscriber (Transaction in Progress)

Cause:

• The user’s phone number is engaged in an ongoing transaction.
• A conflicting USSD session is active.
• The user’s supplementary services are restricted.

Solution:

• Ensure only one transaction request is active at a time.
• Ask the user to close any ongoing USSD sessions.
• Wait 2–3 minutes before retrying the transaction.

How Our WooCommerce M-PESA Plugin Helps Manage These Errors

Our WooCommerce M-PESA plugin streamlines STK Push transactions, providing tools to troubleshoot and resolve common issues efficiently.

Benefits of Using Our M-PESA Plugin for WooCommerce

• Error Logging: The plugin logs transaction errors in your WooCommerce dashboard, allowing quick diagnosis of issues like DS timeouts or insufficient balances.
• Optimized Messaging: Pre-formatted messages ensure compliance with M-PESA’s character limit, reducing occurrences of error 9999.
• Retry and Notifications: If a transaction times out, the plugin allows you to retry and notify customers, improving transaction success rates.
• Seamless Integration: The plugin connects with M-PESA’s Daraja API for real-time transaction handling, minimizing session conflicts.
• Increased Sales: A smooth STK Push experience reduces cart abandonment due to payment issues, increasing conversion rates.

Businesses in Nairobi, such as cuppie.co.ke (selling menstrual cups), bubblewrap.co.ke (offering packing materials), and aromabox.co.ke, have already benefited from seamless STK Push integration. A smooth checkout process has helped these businesses retain customers and minimize transaction errors.

By addressing common M-PESA API errors, you can enhance your customers’ checkout experience. Our WooCommerce M-PESA plugin includes powerful features to resolve these challenges, ensuring seamless payments and improved transaction success rates.

Join successful businesses in Nairobi and upgrade your WooCommerce store with our M-PESA plugin today!

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WooCommerce MPESA Plugin

WooCommerce M-PESA Plugin with STK Push

Ksh 3,000