Mainnet • Permissioned • API-key tiers

Seal Key Servers

Seal is threshold encryption on Sui. Apps define on-chain access policies; key servers evaluate policies and release short-lived decryption keys when conditions are met.

Health: /health Header: x-api-key Service: /v1/service

Starter

Free • 50k req/mo
  • Rate limit: 7 req/sec (per key)
  • Great for hackathons & prototypes
  • Email support, best-effort uptime

Builder

€99 / mo • 250k req/mo
  • Rate limit: 15 req/sec (per key)
  • Live apps with steady usage
  • Target 99.5% • Email support

Growth

€399 / mo • 1M req/mo
  • Rate limit: 50 req/sec (per key)
  • Production workloads at scale
  • Target 99.9% • 2 regions • Metrics

Enterprise

Custom • 5M+ req/mo
  • Rate limit: 100+ req/sec (per key)
  • Private networking, SLAs, audit logs
  • Priority support • Custom features

Using the service

Mainnet: https://seal.natsai.xyz Testnet (open): https://seal-open-test.natsai.xyz 
# Health check
curl -H "x-api-key: <your-key>" https://seal.natsai.xyz/health
Get an API key