As-of queries
Ask what a row looked like at any timestamp, without an archive table.
01$ Temporal data layer for products
$ kronosfield --init
Query history like an ordinary table. Keep the write path dull and the audits easy.
# install npx kronosfield init --policy default ✓ connected · 3.4B rows under management ✓ first run recorded
Overview
Runs
Policies
Traces
Settings
Temporallive
41 msfull-history invoice query
3.4Brows under management
As-of queriesok
Append-only writesok
Audit exportok
Teams shipping with Kronosfield
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Inside the product
One screen, the whole picture.
Overview
Runs
Policies
Traces
Settings
Temporallive
41 msfull-history invoice query
3.4Brows under management
As-of queriesok
Append-only writesok
Audit exportok
41 msfull-history invoice query
3.4Brows under management
0archive tables
What you get
Three things Kronosfield does properly.
Append-only writes
The write path stays a single insert; history is a property of the store.
02Audit export
Hand a regulator a signed slice of history in one call.
03“The audit that used to be a data-engineering project is now a query our support team runs.”
Sanne V. — data engineer, Amsterdam
Pricing
Start free. Pay when it earns it.
Questions
The things people ask first.
Is this a database?+
A layer: it stores history and answers as-of queries over your existing Postgres.
What is the write cost?+
One insert. No triggers, no shadow tables, no CDC pipeline.
Can I delete data?+
Yes — hard deletes are audited, and history respects the deletion.
Kronosfield is open for design partners.
Small team, direct access to the people who build it. Bring a real workload.
Request access