Developer Portal

Programmatic access to your collection, prices, and the full IWMM card catalog. Free tier gives you 100 requests/day with no credit card required.

API Reference

Interactive reference for every endpoint, request, and response — powered by your live OpenAPI spec.

Create a key, authenticate, and make your first request in under five minutes.

Build a slash-command bot that returns market prices for any Magic card.

Pull your inventory and portfolio totals via the API and write them to CSV.

Compare Free, Developer, and Business tiers. Limits apply per user account, not per key.

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