Give software a controlled path to physical mail.
Use the IRIS REST API or MCP server to upload private print PDFs, check mailing credits, and create reviewed individual letter or postcard orders.
Built around the mailing decision.
The API handles the mechanical steps after your application or agent has prepared a document and a person has approved the destination and intent.
- Private PDF intake
- Use ten-minute presigned uploads. Registered documents become immutable and account-bound.
- Server-calculated prices
- Mailing credits are charged against the same letter and postcard pricing rules used by the public checkout.
- Idempotent sending
- One request key identifies one intended mailing and safely replays the completed result.
- REST and MCP
- Use direct HTTP endpoints or Streamable HTTP MCP tools with the same account-bound API key.
Account, credits, key, then mail.
- Create and verify the account.Email verification and password recovery protect portal access.
- Buy prepaid mailing credits.Stripe collects payment. Credits pay exact mailing totals.
- Create an API key.The complete
irk_secret appears once. - Connect the client.Upload, register, review, and submit one mailing at a time.
Designed for reviewed individual mail.
IRIS supports US letters, completed forms, and postcards. The platform does not add mailing lists, campaigns, EDDM, Marketing Mail, scheduling, batch personalization, QR-code generation, or international delivery.
Discuss an API or MCP workflow