read_only_field

HTTP 400 · type invalid_request_error

When

The body sets a computed field (e.g., grand_total).

Fix

Remove it. The server computes it.

Where it comes from

• POST /v1/accounts: Create an account
• PATCH /v1/accounts/{id}: Update an account
• POST /v1/contacts: Create a contact
• PATCH /v1/contacts/{id}: Update a contact
• POST /v1/invoices: Create an invoice
• PATCH /v1/invoices/{id}: Update an invoice

All errors