Documentation
Start with API access, authentication, and the current integration scope.
Get startedMailhub developer platform
Build shipping workflows with Mailhub.
Authenticate, create orders, request rates, and purchase and download shipping labels through a workflow-focused API.
Core workflow
From credentials to label
Follow the integration path from account access through label delivery.
Authenticate
Exchange your API key for the credentials needed to make requests.
Create an order
Provide the shipment details required for fulfilment.
Request rates
Retrieve eligible shipping options for a shipment.
Buy and download a label
Select a rate, purchase a label, and retrieve its document.
Developer resources
Find the right guide
API Reference
Explore methods, parameters, responses, and schemas for each supported operation.
View referenceProduction readiness
Prepare credentials, retries, downloads, and operational safeguards for launch.
Review guidanceRelease Notes
Review customer-visible API, documentation, tooling, and Beta changes.
View release notesRecipes
Copy a working request sequence for one task — order to rate to label, in cURL, JavaScript, Python, and Java.
Browse recipesPostman Collection
Import the generated collection of the 12 public requests and run them from your own API client.
Use the collectionDeveloper Support
Assemble a sanitized support request, with the details to include and the credentials to leave out.
Get help