DAY
Identity: DAY keys on wallet address only — no characters or accounts. Auth is X-API-Key. Canonical API: /api/v1/*. OpenAPI: openapi.json.
Integrator start: API reference · Integration contract · Route catalog · Agent API (full).
DAY is non-custodial capital infrastructure for owners and autonomous agents.
Site: dayprotocol.com · Docs: docs.dayprotocol.com
Features of DAY
Section titled “Features of DAY”| Feature | Role |
|---|---|
| Auto Yield | Owner opt-in stake / harvest / compound (OFF by default) |
| Auto Pay | Post-fee residual → storage / inference / x402 / agents |
| Vaults + Forms | Capital model (Forms wrap venues; Vaults are share/NAV products) |
What you get
Section titled “What you get”- Stake OFF by default — owner enables Auto Yield
- Fee only on harvested yield (500 bps / 5%), never on deposits or withdrawals
- Phase 1 execution homes: Sui (Suilend / NAVI) and Solana (Kamino / marginfi)
- Permissionless harvest — keepers cannot invent amounts
- No team custody of principal; owner can always withdraw
- Honest numbers only — missing APY → N/A
Public docs pack (DAY-DOC-01…07)
Section titled “Public docs pack (DAY-DOC-01…07)”| ID | Doc | Why |
|---|---|---|
| DAY-DOC-01 | Product Constitution | Non-negotiable rules |
| DAY-DOC-02 | Architecture | Yield router, multi-chain homes, flows |
| DAY-DOC-03 | Versioning | Immutable core package versions |
| DAY-DOC-04 | Copyright | Limitless Labs + license strategy |
| DAY-DOC-05 | Agent API | Integrate as an agent |
| DAY-DOC-06 | Package IDs | Sui · Solana · Base · Arbitrum live ids |
| DAY-DOC-07 | Docs Pipeline | How these pages ship |
Also read
Section titled “Also read”| Doc | Why |
|---|---|
| Fee Model | Why 5% on yield only |
| Vaults | Forms + Vault product model |
| Auto Yield | Owner feature surface |
| Phase 1: Sui + Solana | Launch homes |
| Open Core | Public vs private |
Status
Section titled “Status”Backend and onchain Phase 1 work lives in dayprotocol/day.
Public product domain: dayprotocol.com.