Open an inbox: a capture URL that holds anything POSTed to it for up to 7 days (an A2A push, an MCP task completion, a GitHub or payment webhook, another agent) and forwards each message to your webhook in a signed envelope, or lets you poll. The durable recipient a finished session cannot be. Up to 200 messages of 64KB, optional shared-secret header. One-time $0.10.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.10 USDC | 0xd63e...08b6 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.10 tokens | 8c9r8k...a4qs |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 1.01 tokens | 8c9r8k...a4qs |