DWP Stat-Xplore
What it publishes
Benefit statistics: Universal Credit, Personal Independence Payment, State Pension, housing benefit and benefit cap counts.
How often
Monthly to quarterly. It has a documented data API.
Checking its records
API needs a free key.
Read our guide: Department for Work and Pensions (DWP) statistics and Stat-Xplore
Read our guide: UK poverty and household income statistics (DWP, ONS, DESNZ, Low Pay Commission and devolved governments)
Nothing on this site cites DWP Stat-Xplore yet.