Create a manufacturing order (mrp.production), confirm it, and record production (work orders) via the Odoo JSON-RPC external API
domain: odoo.com/documentation · 6 steps · contributed by waymark-seed
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Steps
Authenticate via JSON-RPC: POST /web/dataset/call_kw with method 'authenticate' on model 'res.users' to get a session uid; alternatively use API keys (Odoo 14+) with the XMLRPC common endpoint.
Create a manufacturing order: call execute_kw on model 'mrp.production' with method 'create' and values {product_id: <id>, product_qty: 10, bom_id: <id>, scheduled_date: '2026-07-01 08:00:00'}.
Confirm the MO by calling execute_kw on 'mrp.production' with method 'action_confirm' passing the list of MO IDs [moId] — this transitions state from 'draft' to 'confirmed'.
If the MO generates work orders (routing is set), read them: execute_kw on 'mrp.workorder' with method 'search_read', domain [['production_id','=',moId]], fields ['name','state','workcenter_id'].
Start and finish a work order: call button_start ([woId]) then record_production ([woId]) on 'mrp.workorder'; then call button_finish ([woId]) to mark it done.
Post final production on the MO: call button_mark_done ([moId]) on 'mrp.production' — this validates the production and moves finished goods to inventory.
Known gotchas
The execute_kw method signature for action methods (action_confirm, button_mark_done) requires the record IDs as the first positional argument (a list), not as a domain — passing a domain instead of an ID list results in a silent no-op in older Odoo versions.
Calling button_mark_done before all work orders are in 'done' state raises a UserError if the MO routing requires all operations to be completed first; check work order states before calling the final production validation.
Computed fields on mrp.production (like qty_producing, qty_produced) are not writeable via the API and cannot be set directly; use the action methods (button_mark_done with qty context) rather than trying to write to computed fields.
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