# EMS Developers

> Connect your systems to EMS with the public API.

## Docs

- [EMS Public API](/index): Connect your own systems to EMS: your website, CRM or internal tools.
- [Quickstart](/quickstart): Create an API key and make your first request.
- [Authentication](/authentication): API key pairs and HTTP Basic auth.
- [Scopes](/scopes): What each API key is allowed to do.
- [Pagination](/pagination): Walking through long lists with cursors.
- [Errors](/errors): Status codes and error responses.
- [Rate limits](/rate-limits): How many requests you can make.
- [Speakers](/speakers): Add and manage an event's speakers from your own systems.
- [Uploading photos](/uploading-photos): Upload an image, for example a speaker photo, in three steps.
- [Changelog](/changelog): Changes to the EMS Public API.
- [Who am I](/api-reference/whoami): Check an API key: the organisation it belongs to and its scopes.
- [List events](/api-reference/events): Your organisation's events, earliest first. Needs the events:read scope.
- [List speakers](/api-reference/speakers/list): An event's speakers, alphabetical. Needs speakers:read.
- [Get a speaker](/api-reference/speakers/get): One speaker. Needs speakers:read.
- [Create a speaker](/api-reference/speakers/create): Add a speaker to an event. Needs speakers:write.
- [Update a speaker](/api-reference/speakers/update): Replace a speaker's profile. Needs speakers:write.
- [Delete a speaker](/api-reference/speakers/delete): Remove a speaker. Needs speakers:write.
- [List speaker categories](/api-reference/speakers/categories): Categories for a speaker's category_id. Needs speakers:read.
- [Get speaker settings](/api-reference/speakers/settings): Which profile fields are public. Needs speakers:read.
- [Update speaker settings](/api-reference/speakers/update-settings): Choose which profile fields are public. Needs speakers:write.
- [Start a photo upload](/api-reference/media/start-upload): Step 1 of 3: get a signed form. Needs media:write.
- [Complete a photo upload](/api-reference/media/complete-upload): Step 2 of 3: ask EMS to process the file. Needs media:write.
- [Get a photo upload's status](/api-reference/media/upload-status): Step 3 of 3: poll until ready. Needs media:write.