API Service

Current data release: 2026Q3.1 / V1.2.1
The stable read-only API is available at /api/v1. See the OpenAPI specification, or download the immutable 2026Q3.1 CSV snapshot and its SHA-256 checksum.

Batch download protein data, manage your protein cart, or convert protein IDs between different database formats.

Enter protein IDs (one per line) in any supported format — DoMiProt ID, UniProt Accession, UniProt ID, or NCBI Accession. The system will automatically detect and convert them to fetch protein data.

Step 1: Enter Protein IDs

Step 2: Select Fields to Download

Select All 0 fields selected

Loading fields...

Step 3: Choose Download Format

JSON

CSV

Excel (TSV)

Proteins you added from the Detail page are stored here. Select fields and download them in batch. After downloading, the current batch will be cleared and a new batch begins. Downloaded history is retained for 30 days.

Current Batch (0 proteins)

Select Fields to Download

Select All 0 fields selected

Loading fields...

Choose Download Format

JSON

CSV

Excel (TSV)

▶ Download History (0 batches)

Protein Cart Guide

Browse any protein on the Browse page and click to view its Detail page.
On the Detail page, click the "Add to Cart" button to save the protein to your cart.
Come back to this page, select the fields you want, and click "Download Current Batch".
After downloading, the current batch is moved to Download History and a new batch begins.
Download history is retained for 30 days, then automatically cleared.
You can delete individual proteins from the cart, or clear the entire batch.

Select one or more protein categories to batch download protein information.

Step 1: Select Categories

Select All 0 categories selected

Loading categories...

Step 2: Select Fields to Download

Select All 0 fields selected

Loading fields...

Step 3: Choose Download Format

JSON

CSV

Excel (TSV)

Select one or more lactation stages to batch download protein information.

Step 1: Select Lactation Stages

Select All 0 stages selected

Loading stages...

Step 2: Select Fields to Download

Select All 0 fields selected

Loading fields...

Step 3: Choose Download Format

JSON

CSV

Excel (TSV)

Convert protein IDs between different database formats. Enter one ID per line, select the input and output ID types, then click "Convert".

ID Conversion Tool

Input

➔

Output

Processing...