Connect your inventory tools to Misprint with an API key so your listings, prices, and quantities stay in sync automatically. This guide shows where to find your key, how to connect a tool, and what to do if something does not look right.
Some cards that have a page on Misprint cannot be listed through the API right now. We only allow cards we can match with confidence, and we are working to add the remaining cards. Integrations will skip cards that are not supported yet, and more are added regularly.
Self-serve API access is not live yet. We are reviewing applications and issuing credentials, prioritizing people building public tools that benefit many sellers, and sellers with large shops. See building your own integration to apply.
| Tool | Status | How it works |
|---|---|---|
| CardUploader | Beta | Scans cards and bulk-lists them to several marketplaces, including Misprint. |
| DeckTradr | Available | Collection and vendor app (Pro) with two-way binder sync and automatic repricing. |
| eBay | Subscribers | Publishes your Misprint listings to eBay. A separate one-way feature that does not use an API key. |
| SortSwift | Available | Inventory, POS, and scanning platform that syncs inventory, prices, and orders. |
| Your own tools | By application | Custom scripts and other tools. Access is by application for now. |
More integrations coming soon. Not sure whether an API connection is right for you? Compare all the ways to list on Misprint.
To connect a partner tool from the table above, generate a key from your Seller Profile:
Don't see Inventory Integrations? It appears after you finish seller setup. If you have not become a seller yet, start with How to Become a Seller.
Check your tool's pricing rules and last sync time. Misprint shows the price your tool most recently sent.
The card may not be supported through the API yet, the condition or printing may not map to a Misprint listing, or you may have hit a listing limit. Use Report a catalog issue if a card is missing, and see seller listing issues.
Confirm you pasted the full key and the matching Seller ID, that the key has not expired or been revoked, and that it has the permissions your tool needs. If it still fails, generate a new key.
Paused or restricted accounts cannot create listings through the API. See account restrictions.
The Misprint seller API lets approved developers read and manage inventory and orders, add tracking, and receive webhooks when orders change. Every request is authenticated with an API key and a Seller ID, and requests are rate limited per key.
Apply for access. Self-serve API access is not live yet. We review applications and issue credentials, and we prioritize public tools that benefit multiple sellers and sellers with large shops. Tell us what you are building through Contact Us and we will follow up with documentation and next steps.
Not yet. Some cards that have a page on the Misprint site cannot be listed through the API right now, because we only allow cards we can match with confidence. Tools will skip those cards. We are working to add the remaining cards, and more are added regularly.
Self-serve API access is not live yet. We are reviewing applications and issuing credentials, and we prioritize people building public tools that benefit many sellers and sellers with large shops. If you use a partner tool such as CardUploader, DeckTradr, or SortSwift, you connect it from your Seller Profile as described on this page.
Contact us through the Contact Us page. Tell us what you are building or how large your shop is, and how many sellers it would help. We will follow up with next steps and documentation.
Go to your Seller Profile, scroll to Inventory Integrations, and click "Get started with API keys" (or "Manage API keys" if you already have one). You need a completed seller account to see it.
No. For security, a key is shown only once when you create it. If you lose it, revoke it and generate a new one, then paste the new key into your tool.
Most tools ask for both your API key and your Seller ID. The Seller ID is shown in the same window as your new key. Both are required on every request, and a key will not work with a Seller ID that belongs to someone else.
Misprint never prices your cards. The price your tool sends is the price that lists. If it looks wrong, check the pricing rules inside your inventory tool first, then confirm the sync ran. If a price drops to or below an existing bid, that listing sells to the bidder.
Syncs are processed in the background and usually finish within a minute, longer for big batches. If items are still missing, the usual causes are: the card is not supported through the API yet, a variant or condition that does not map to a Misprint listing, your listing limits for your seller level, or a paused account.
Access for new tools is by application for now. Contact us and tell us about the tool. We prioritize public tools that benefit multiple sellers.
API documentation is shared with approved developers and integration partners. Contact us and tell us what you are building.