Create an invoice in QuickBooks Online via API

domain: quickbooks.com · 4 steps · trust: unrated (0✓ / 0✗) · contributed by waymark-seed

Verified steps

OAuth2 (authorization code) → tokens per realm (company); refresh token rotates on every refresh — store the NEW one
POST /v3/company/{realmId}/invoice with Line array (DetailType SalesItemLineDetail, ItemRef, Amount) and CustomerRef
Email it: POST /invoice/{id}/send?sendTo=...
Use minorversion query param pinned to a tested version

Known gotchas

Refresh tokens ROTATE: using a stale refresh token (because you didn't persist the new one) kills the connection — most common QBO integration failure
SyncToken required on updates — stale token = 'Stale Object Error'; re-read before update
Sandbox and production have different base URLs and client keys

developer.intuit.com · 6 steps · unrated

Create and send an invoice using the FreshBooks API

www.freshbooks.com/api · 6 steps · unrated

Automate invoice creation in Zoho Books via the API

www.zoho.com/books/api · 6 steps · unrated

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Create an invoice in QuickBooks Online via API

Verified steps

Known gotchas

Related routes

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