Messaging service application programming interface

A method comprising:

• receiving, from a client application executing on a client device, a message transmission request including a number assigned to a recipient device;
• adding the message transmission request to an outbound queue based on determining the message transmission request is valid;
• causing transmission of a message to the recipient device based on the message transmission request being included in the outbound queue;
• obtaining status information specifying a status of transmission of the message, the status information including an indication of successful transmission of the message;
• and
• storing a record of the message transmission request responsive to the causing the transmission of the message, the storing the record including storing the message and the indication of successful transmission of the message.

A non-transitory machine-readable medium comprising instructions which, when executed by a machine, cause the machine to perform operations comprising, at least:

• receiving, from a client application executing on a client device, a message transmission request including a number assigned to a recipient device;
• adding the message transmission request to an outbound queue based on determining the message transmission request is valid;
• causing transmission of a message to the recipient device based on the message transmission request being included in the outbound queue;
• obtaining status information specifying a status of transmission of the message, the status information including an indication of successful transmission of the message;
• and
• storing a record of the message transmission request responsive to the causing the transmission of the message, the storing the record including storing the message and the indication of successful transmission of the message.