Gem built as ruby wrapper to handle transactions with with the Safaricom M-Pesa APIs. You will need to have a developer Account on Safaricom Developer. Portal to run in sandbox environments.


Add this line to your application’s Gemfile:

gem 'mpesa_connect'

And then execute:

$ bundle

Or install it yourself as:

$ gem install mpesa_connect


  require 'mpesa_connect'

Values you need from your Safaricom app

  client =, secret, security_password)

Set the urls that will be used to send response back to your app

  client.set_urls(timeout_url, transaction_url)

For each of the functions you will need data from Test Credentials:

Account Balance

  client.account_balance(initiator, party_a)


  client.reversal(initiator, transaction_id, amount, receiver_party)

Transaction Status

  client.transaction_status(initiator, party_a, transaction_id)

B2C Transaction

Salary Payment

  client.b2c_transaction(initiator, amount, party_a, party_b)

C2B Transaction

first you need to setup the following

setup the required urls

  client.set_urls(nil, nil, confirmation_url, validation_url)

Register URL

  client.c2b_register_url(shortcode, response_type)

Simulate Transaction

  client.c2b_transaction(shortcode, amount, msisdn, bill_reference)


After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to


Bug reports and pull requests are welcome on GitHub at This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.


The gem is available as open source under the terms of the MIT License.

Code of Conduct

Everyone interacting in the MpesaConnect project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.