Welcome back. Manage your SDK licence here.
Billing
Your SDK licence and proof quota
The self-hosted SDK proves on your host. Affix only receives a heartbeat against your licence key. Choose a plan, pay in Stripe, and store the key the first time it is shown.
- Developer £49
- Growth £149
- Business £399
- Enterprise custom
Background: The National Archives (UK), CC BY 3.0.
Licence key (shown once)
Plans
What the heartbeat unlocks
HMAC prove stays on every paid plan. Higher tiers add carriers, post-quantum signing, data adapters, UltraHonk, and HSM.
| Plan | Price | Unlocked | |
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Licence keys
Keys for the SDK heartbeat
Pass the raw key to npx affixio set-key. Affix stores only an HMAC of the secret. Cancelled plans keep proving for 30 days, then the check returns expired.
| Prefix | Last ping | Issued | Status | |
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