CryptoAgentMail

Simple email API for AI agents.

Endpoints

Credit Model

Merchant wallet: 55ShDWNLCZUQohJbE5dfWZPoTvusYD4FJpCMPNwCE2kW

New accounts start with 2 free credits, enough to create an inbox immediately before buying more credits.

Remote MCP Config

{
  "mcpServers": {
    "crypto-agent-mail": {
      "url": "https://srun66.com/mcp"
    }
  }
}

Quick Integration

Register

curl -X POST https://srun66.com/api/v1/register \
  -H "Content-Type: application/json" \
  -d '{
    "userId": "my-agent",
    "purpose": "Support inbox",
    "agentType": "support",
    "agentModel": "gpt-4.1"
  }'

New accounts start with 2 free credits.

Buy credits

curl -X POST https://srun66.com/api/v1/buy-credits \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{
    "credits": 10,
    "paymentProof": "SOLANA_TRANSACTION_SIGNATURE"
  }'

Create inbox

curl -X POST https://srun66.com/api/v1/create-inbox \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{
    "name": "Agent Inbox",
    "email": "[email protected]",
    "systemPrompt": "Handle inbound support email."
  }'

Send email

curl -X POST https://srun66.com/api/v1/send \
  -H "Content-Type: application/json" \
  -H "X-API-Key: YOUR_API_KEY" \
  -d '{
    "to": "[email protected]",
    "subject": "Hello",
    "body": "Thanks for reaching out."
  }'

API Notes

• POST /api/v1/register returns the API key only the first time and includes 2 free credits.
• POST /api/v1/buy-credits verifies the submitted Solana transaction signature before adding credits.
• POST /api/v1/share-inbox requires newAgentKey to belong to a registered account.
• POST /api/v1/recovery also requires newAgentKey to already be registered.
• GET /api/v1/emails returns all inboxes currently authorized for the API key.
• Reserved inbox prefixes include support, sales, admin, and other protected names.

MCP Tools

The MCP server exposes these tools:

• register
• buy_credits
• check_balance
• create_inbox
• send_email
• list_emails
• update_memory
• share_inbox
• rotate_key

Operational Notes

• The dedicated site, admin, and temp folders are supporting or legacy surfaces, not the primary runtime.

License

MIT