We keep this changelog so you always know what changed and whether action is needed on your side.
What we publish
- New and updated endpoints
- Performance and reliability improvements
- PAF data refreshes affecting lookup results
- Advance notice of any breaking change
Data freshness
Lookups stay accurate because the underlying data is refreshed regularly — see how often PAF is updated.
Get building
New here? Start with the API quickstart and the REST API reference.
Frequently asked questions
Where can I see API changes?
This changelog summarises new endpoints, improvements and PAF data updates so you can keep your integration current.
Will changes break my integration?
We aim for backward-compatible changes and flag any breaking change clearly in advance.
How often is PAF data updated?
Royal Mail PAF data is refreshed regularly so lookups reflect new and changed addresses.
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