API

Simpler order math validation

Fewer false rejections when importing transactions, and clearer errors when the math really is off.

Subtotals are calculated from other values on an order, but Zamp used to validate them separately, and that occasionally rejected transactions that were actually fine. Zamp now validates order math against a single number: the order total.

The rule is: total equals the sum of each line item's amount times quantity, minus discounts, plus tax collected. If the math does not add up, the error explains what is off.

More API updates

See all 11
  1. Four decimal places in the transaction APIBusinesses selling very low-value items can send exact amounts.
  2. Send your own coordinates with API transactionsBusinesses with precise location data can use it directly for sourcing.
  3. Trial API keys from the developer siteDevelopers can test-drive Zamp straight from the docs.
  4. Future-dated transactionsMore flexibility for businesses that post-date invoices.

Sales tax that keeps getting better, without more work for you.

Talk to a specialist about your states, your systems and what we take over.

#1 rated support on G2

Three colleagues reviewing their accounts together at a sunlit table.