The DB returning 429 likely relates to INSPIRESat-1 being marked as Uncoordinated.
See IARU Coordination - Frequency Misuse (satellite QUBE) for a reference were it mentions
We must choose between 4 options to mark a transmitter for IARU Coordination.
- IARU Coordinated
- IARU Declined
- IARU Uncoordinated
- N/A
If you choose “Declined” or “Uncoordinated” the status is set to “Frequency Misuse” and you neither be able to export data from the database nor build dashboards.
Requests for violating satellites are automatically throttled with no downloads allowed. Spectrum Management - SatNOGS Wiki