# SimpleSell Developers

> Developer documentation for the SimpleSell API.

- [Introduction](https://developers.simplesell.de/api/v1/introduction.md): Automate your shipping with the SimpleSell API: create parcels, generate shipping labels, and download shipping documents.
- [Quickstart](https://developers.simplesell.de/api/v1/quickstart.md): Create your first parcel, process it, and download its shipping label.
- [Authentication](https://developers.simplesell.de/api/v1/authentication.md): Create an API token and use it to authenticate your requests.
- [How parcels work](https://developers.simplesell.de/api/v1/how-parcels-work.md): The parcel lifecycle, the checks before processing, and how defaults and overrides change parcel data.
- [Requests and responses](https://developers.simplesell.de/api/v1/requests-and-responses.md): REST conventions, versioning, headers, query parameters, request bodies, and data formats of the SimpleSell API.
- [Pagination, sorting, and filtering](https://developers.simplesell.de/api/v1/pagination-sorting-filtering.md): Conventions for list endpoints: cursor pagination, sorting, and filters.
- [Error handling](https://developers.simplesell.de/api/v1/error-handling.md): HTTP status codes and error responses of the SimpleSell API.
- [Rate limits](https://developers.simplesell.de/api/v1/rate-limits.md): How many requests you can send to the SimpleSell API per second.
- [List parcels](https://developers.simplesell.de/api/v1/parcels/list-parcels.md)
- [Create a parcel](https://developers.simplesell.de/api/v1/parcels/create-a-parcel.md)
- [Retrieve a parcel](https://developers.simplesell.de/api/v1/parcels/retrieve-a-parcel.md)
- [Delete a parcel](https://developers.simplesell.de/api/v1/parcels/delete-a-parcel.md)
- [Update a parcel](https://developers.simplesell.de/api/v1/parcels/update-a-parcel.md)
- [Retrieve processing status](https://developers.simplesell.de/api/v1/parcels/retrieve-processing-status.md)
- [Process a parcel](https://developers.simplesell.de/api/v1/parcels/process-a-parcel.md)
- [Print a parcel](https://developers.simplesell.de/api/v1/parcels/print-a-parcel.md)
- [Cancel a parcel](https://developers.simplesell.de/api/v1/parcels/cancel-a-parcel.md)
- [Download labels](https://developers.simplesell.de/api/v1/parcels/download-labels.md)
- [Download customs declaration](https://developers.simplesell.de/api/v1/parcels/download-customs-declaration.md)
- [List shipping methods](https://developers.simplesell.de/api/v1/shipping-methods/list-shipping-methods.md)
- [Retrieve a shipping method](https://developers.simplesell.de/api/v1/shipping-methods/retrieve-a-shipping-method.md)
- [List packagings](https://developers.simplesell.de/api/v1/packagings/list-packagings.md)
- [Retrieve a packaging](https://developers.simplesell.de/api/v1/packagings/retrieve-a-packaging.md)

## OpenAPI Specs

- [openapi](/api/v1/openapi.yaml)


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