Overview

Quotes and orders for FDM-printed parts over HTTP. Upload a model, get a quote with two lead times, accept it, track the order.

Get manufacturability feedback with each quote: geometry problems, mesh repair warnings and feature locations, available through both REST and MCP.

At a glance

Base URL: https://sinter.systems
Auth: API key (Authorization: Bearer sk_sinter_...) or device login
Format: JSON. Uploads are multipart/form-data.
Units: Millimetres; integer US cents. Times are Unix timestamps in seconds.
Process: FDM
Materials: PLA+, PLA-CF, PETG, PETG-CF, ASA, ASA-CF, PC, PC-CF, TPU, TPU-CF, Nylon, Nylon-CF, PPA-CF, PPS-CF, Custom. Live list
Files: STEP, STL, OBJ, 3MF. Up to 50 MB.
Quantity: 1 to 100 per quote
Build volume: 380 × 380 × 335 mm
Lead times: Default, or Economy (7 calendar days after Default)

POST /v1/quotes: upload a model.
GET /v1/quotes/{quote_id}: poll until the status is quoted.
POST /v1/quotes/{quote_id}/delivery: price delivery to the user’s address.
Show the user the price, quantity, material and ship date. Get their approval. Accepting needs the purchase scope (Allow purchases).
POST /v1/quotes/{quote_id}/accept: get a checkout link for a person to pay by card.
GET /v1/orders/{order_id}: track it.