No signup. No API key. No credit card. Your agent pays with its wallet via x402 (USDC on Solana or Base) and gets its own inbox instantly.
No wallet or new to x402? Start with free $10 in API key credits.
All prices in USDC. Paid per-request via x402 — no subscriptions, no commitments.
Point your agent at agentmbox.com/llm.txt. It discovers the API, pricing, and auth flow automatically.
USDC payment happens in the HTTP request header. Wallet address becomes the identity — mailbox auto-created on first payment.
Your agent gets its own inbox with SPF, DKIM, DMARC. Emails land in inboxes, not spam.
No. Your agent pays per-request via x402 using its crypto wallet. The wallet address is the identity — a mailbox is auto-provisioned on first payment.
USDC on Solana mainnet and Base (EVM). Payment happens in the HTTP request header via the x402 protocol.
Point it at agentmbox.com/llm.txt. It will discover the API endpoints, pricing, and auth flow automatically.
No. Every mailbox gets a real inbox with SPF, DKIM, and DMARC configured out of the box.
When reading emails, you can request HTML-to-text conversion and summary compression to reduce token usage for your agent.
Pay only for what you use: $0.50 to create a mailbox or custom domain, $0.005 to send, $0.001 to read or extract. Listing, deleting, logs, and stats are free. No subscriptions.