Flashcards.gg API reference

Public REST API · OpenAPI 3.0 · Bearer auth. Below is what LLM tools should consume directly:

Raw OpenAPI 3 spec (JSON) Developer guide (HTML)

For LLM agents (ChatGPT GPTs, Claude tool use, Gemini function calling): paste https://flashcards.gg/api/v1/openapi.json into the tool builder. It lists 13 operations across sets, cards, and shares.

• Auth: Authorization: Bearer flc_<32hex> — generate at /account/api-keys
• Sets: list / get / create / replace / patch / delete
• Cards: add / update / delete one card inside a set
• Shares: create / list / revoke public snapshot links
• Rate limit: 100 req/min per key

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