App contender
Sigilbase | Audit logs that hold up as evidence
Evidential custody for audit logs
The short version
What is Sigilbase | Audit logs that hold up as evidence?
Sigilbase is a service that provides tamper-evident audit logs for software teams. It allows users to send audit events via a REST API, which are then hashed, chained, and sealed into Merkle checkpoints signed with Ed25519 keys. This creates an audit trail that can be verified offline by third parties using an open-source tool, without requiring access to Sigilbase or the user's database.
It provides a third-party, tamper-evident audit log where records are anchored outside the user's control and verifiable offline by anyone, removing the need for auditors to trust the party being audited.
Product capabilities
Key features
- REST API for event ingestion
- SHA-256 event hashing
- Hash-chained event history
- Merkle checkpointing
- Ed25519 signed checkpoints
- Offline verification via open-source tool
- Idempotent writes
- Batch ingestion support
- Evidence bundle export
Ways to use it
Use cases
- AI decision logging
- SOC 2 audit evidence
- Disputes between businesses
- SEC 17a-4 recordkeeping
- Enterprise audit logs
Who it is built for
Best for
At a glance
Strengths & considerations
Strengths
- Tamper-evident design
- Offline verification capability
- Permanent data retention
- Ingestion does not stop due to billing
- No database access required for verification
Things to consider
- Requires integration with application code
- Compliance certification depends on user controls and auditor assessment
- Account becomes read-only if payment lapses
- Pricing is in GBP
Plan information
Pricing
Four plans available: Developer (10,000 events/month), Team (£79/month for 250,000 events), Business (£249/month for 2,000,000 events), and Enterprise (custom). All plans are currently free during the beta period.
Developer plan includes 10,000 events per month.
Prices and plans can change. Confirm current terms on the official pricing page before purchasing.
Compatibility & availability
Technical details
Platforms & channels
Official destinations
Links
Quick answers
Sigilbase | Audit logs that hold up as evidence FAQ
What happens if I go over my monthly event allowance?
Ingestion continues. On the Team plan, overages are billed at £3 per 10,000 events. On the Business plan, overages are billed at £2 per 10,000 events. On the Developer plan, there is no overage bill, but you are prompted to upgrade.
Can an auditor verify evidence without a Sigilbase account?
Yes. Evidence bundles are self-contained files that can be verified offline using a standalone open-source tool without connecting to Sigilbase.
What happens to my data if I stop paying?
Your history is never deleted. After a 14-day grace period, the account becomes restricted (read-only), but ingestion, sealing, and nightly verification continue.
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Research trail
Official sources
These pages were used for the factual profile above. They may change after the research date.
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