Pull the register sales feed and sync sales via the Lightspeed X-Series API
domain: x-series-api.lightspeedhq.com · 6 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Authenticate via OAuth2 for the target store
Call the sales listing endpoint with date/register filters to pull completed register sales
Retrieve full sale detail, including line items and payments, for each sale ID returned
To push external sales in, submit a well-formed payload of items and payments to the register sales endpoint
Verify the created/synced sale in the response body rather than assuming success from a 200 status alone
Use webhooks for sale updates to get near-real-time notification of new or changed sales instead of continuous polling
Known gotchas
A malformed payload sent to the register sales endpoint does not necessarily error — it can silently create an empty sale with no products or payments and still return 200 OK, so validate the response body
The sales feed includes refunds and voided line items — filter deliberately when computing revenue totals
High-volume stores should use webhooks rather than frequent polling to stay within API rate limits
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