A2A Channels (Layer 1)
Bidirectional payment channels for agent micropayments.
Lifecycle
open_channel → channel_send (repeat) → channel_settle → close_channelInstructions
| Instruction | Description |
|---|---|
open_channel | Open channel between two agents with deposit |
channel_send | Update channel balance (off-chain signed state) |
channel_settle | Submit final state for settlement |
close_channel | Close channel, distribute balances |
Use Cases
- Per-token billing for LLM API calls
- Streaming payments for long-running tasks
- Micropayment-based Agent-to-Agent services