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DZap is layered. Each layer has a clear contract; layers below don’t depend on layers above. 
┌─────────────────────────────────────────────────────┐
│                  Surface layer                      │
│   App · SDK · API (REST) · MCP · CLI · Skills       │
└──────────────────────┬──────────────────────────────┘
                       │
┌──────────────────────▼──────────────────────────────┐
│                  Reasoning layer                    │
│        ZapBot agent · tool router · memory          │
└──────────────────────┬──────────────────────────────┘
                       │
┌──────────────────────▼──────────────────────────────┐
│                   Routing engine                    │
│   Pathfinder · price service · solver matcher       │
└──────────────────────┬──────────────────────────────┘
                       │
┌──────────────────────▼──────────────────────────────┐
│                  Execution layer                    │
│   DZapDiamond contracts · Permit2 · bridge relayers │
└─────────────────────────────────────────────────────┘

​
Surface layer

What integrators touch:
  • App — app.dzap.io, the user-facing web app.
  • SDK — @dzapio/sdk for TypeScript apps.
  • API — REST endpoints at api.dzap.io (Trade) and zap.dzap.io (Fuse).
  • MCP server — exposes every tool to LLM clients.
  • CLI — dzapai for terminal-driven operations.
  • Skills — context bundles for AI editors (Cursor, Claude Code).

​
Reasoning layer

What ZapBot does between input and routing:
  • Tool selection — picks the right tool from the catalog based on intent.
  • Plan generation — surfaces a plan before execution for write operations.
  • Memory — short-term per-session, optional long-term per-user.
See AI Architecture for the deep dive.

​
Routing engine

The heart. For every quote, the engine evaluates routes across:
  • DEX aggregators (ParaSwap, OKX, 1inch, …).
  • Bridges (Across, Mayan, Allbridge, …).
  • Native DEXs (when they beat the aggregators).
Routes are ranked by net output (after fees, gas, slippage). The top-N come back ranked.

​
Execution layer

What lands on-chain:
  • DZapDiamond — the per-chain router. Single trusted spender. See Smart Contract Addresses.
  • Permit2 — gasless approvals. Canonical address 0x000000000022D473030F116dDEE9F6B43aC78BA3 on most EVM chains.
  • Bridge relayers — the actual cross-chain message carriers (Across CCIP, Mayan Wormhole, Chainflip, …).

​
Where the layers split

Different teams own different layers — deliberately. The routing engine doesn’t know about the surface; the execution layer doesn’t know about the reasoning layer. This makes:
  • The surface easy to extend (new SDKs, new clients).
  • The execution layer easy to audit (no business logic mixed in).
  • The reasoning layer easy to swap (different agents, different LLMs).
See Smart Contract Architecture for the on-chain side.
Last modified on May 4, 2026