MPESA CONNECT

A wrapper library for the Daraja Mpesa API

Features

• Authorization
• Mpesa Express
  • STK Push
  • Query
• Customer To Business (C2B)
  • Register URL
  • Simulate
• Business To Customer (B2C)
• Account Balance
• Transaction Status

Installation

$ pip install mpesa-connect

Usage

NOTE: Before you start, make sure to go through the official Daraja Mpesa API documentation

Create an app instance.

from mpesa_connect import App

# Sandbox
app = App.create_sandbox(consumer_key=..., consumer_secret=...)

# Production
app = App.create_production(consumer_key=..., consumer_secret=...)

Generate an authorization token.

from mpesa_connect import Authorization

auth = Authorization(app)
result = auth.generate_token()
access_token = result.access_token

You can attach this token to the service instance or include it as an argument to the api methods calls

Mpesa Express

STK Push

from mpesa_connect import STKPush

stk = STKPush(app, access_token=access_token)
result = stk.process_request(
    business_short_code=...,
    phone_number=...,
    amount=...,
    call_back_url=...,
    account_reference=...,
    transaction_desc=...,
    password=...,
    timestamp=...,
    # access_token=access_token
)

Query

result = stk.query(
    business_short_code=...,
    checkout_request_id=...,
    password=...,
)

You can use the generate_password helper to create a password

from mpesa_connect.utils import generate_password

password = generate_password(
    business_short_code=....,
    pass_key=...,
    timestamp=...,
)

Alternatively, you can include the pass_key argument in place of password to auto generate the password

Customer To Business (C2B) API

Register URL

from mpesa_connect import C2B
from mpesa_connect.enums import ResponseType, TransactionType

c2b = C2B(app, access_token=access_token)
result = c2b.register_url(
    short_code=...,
    validation_url=...,
    confirmation_url=...,
    response_type=ResponseType.COMPLETED,
)

Simulate

result = c2b.simulate(
    short_code=...,
    command_id=TransactionType.CUSTOMER_PAY_BILL_ONLINE,
    amount=...,
    msisdn=...,
    bill_ref_number=...,
)

Business To Customer (B2C) API

from mpesa_connect import B2C
from mpesa_connect.enums import TransactionType

b2c = B2C(app, access_token=access_token)
result = b2c.payment_request(
    initiator_name=...,
    security_credential=...,
    amount=...,
    command_id=TransactionType.BUSINESS_PAYMENT,
    party_a=...,
    party_b=...,
    queue_time_out_url=...,
    result_url=...,
    remarks=...,
    occassion=...,
)

Account Balance API

from mpesa_connect import AccountBalance
from mpesa_connect.enums import TransactionType, IdentifierType

ab = AccountBalance(app, access_token=access_token)
result = ab.query(
    initiator=...,
    security_credential=...,
    command_id=TransactionType.ACCOUNT_BALANCE,
    identifier_type=IdentifierType.ORGANIZATION_SHORT_CODE,
    party_a=...,
    queue_time_out_url=...,
    result_url=...,
    remarks=...,
)

Transaction Status API

from mpesa_connect import TransactionStatus
from mpesa_connect.enums import TransactionType, IdentifierType

ts = TransactionStatus(app, access_token=access_token)
result = ts.query(
    initiator=...,
    security_credential=...,
    transaction_id=...,
    command_id=TransactionType.TRANSACTION_STATUS_QUERY,
    identifier_type=IdentifierType.ORGANIZATION_SHORT_CODE,
    party_a=...,
    queue_time_out_url=...,
    result_url=...,
    remarks=...,
    occassion=...,
)

All API methods return a result object with a response property which is a requests.Response object, plus various properties corresponding to the json body of the response

Running Tests

Install dependencies

$ poetry install

Create .env file from .env.example then edit it to add your app credentials and test parameters

$ cp .env.example .env

Run tests

$ poetry run pytest

License

MIT