The Harvest Invoices API returns data as an invoices list by issue date. Responses include an object with a invoices property that contains an array of up to per_page invoices. Harvest provides online time-tracking software.
Thirteen APIs have been added to the ProgrammableWeb directory in categories including Payments, Electronic Signatures, and Air Travel. Highlights include APIs for Harvest project management and time tracking software and Barcodable barcode lookup service. Here's a rundown of the latest additions.