FI
Firefly III API v6.5.5 (firefly-iii)
Personal finance: track accounts, transactions, budgets, bills and categories via API
OpenAPI 3.0.0AGPLv3230 operations252 schemas2 revisions
Changes
Full historySubscribe to this API to generate a client from its schema and get a pull request each time the schema changes.
Source
View schema- Document
- raw.githubusercontent.com · YAML, 784 KB
- Commit
- d6dabd3 🤖 Update API documentation for Firefly III
- Published
- Mar 15, 2026
- Retrieved
- Oct 12, 2026
- Digest
- 906276730447
For agents
Every page here has a markdown twin. The overview is one fetch; the llms.txt lists every operation with a link to its own markdown.
curl https://skmtc.dev/firefly-iii/apis/firefly-iii-api-v6-5-5-2.mdcurl https://skmtc.dev/firefly-iii/apis/firefly-iii-api-v6-5-5-2/llms.txt