Get API access
Reading the ledger in a browser is free and needs no account. A key is for querying it programmatically.
Developer
€20 / month
- The full ledger over the API
- 100,000 requests a day
- Delta feed, so you sync changes instead of re-pulling
- Cancel any time
Lifetime
€799 once
- Everything in Developer
- Paid once, never renews
- Includes every future version of the API
- Price locked permanently
Grant
Free
- For students, nonprofits and researchers
- Time-limited, renewable
- Granted by hand — tell us what you are building
- Same data, lower limits
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