API ReferenceSlackSlackAPI reference for Slack endpoints. 7 total endpoints|4 servicesChannels1 endpointGETslack_list_channelsMessages2 endpointsGETPOSTslack_get_channel_messages, slack_send_messageUsers2 endpointsGETslack_list_users, slack_get_userFiles2 endpointsGETPOSTslack_download_file, slack_upload_fileDocsAPI reference for Google Docs endpoints.ChannelsAPI reference for Slack Channels endpoints.