# celanio REST-API ## Dokumentation - [celanio REST-API](https://api.celanio.com/introduction.md): Mit der celanio REST-API ist es möglich, Daten aus dem System auszulesen oder auch Daten einzuspielen. Entwickele leistungsfähige Integrationen mit der celanio REST API. Greifen Sie sicher auf Ihre Daten zu, automatisiere Abläufe und verbinde celanio mit deinen bestehenden Systemen – einfach, zuverlässig und standardkonform. - [Changelog](https://api.celanio.com/changelog.md): Hier siehst du eine Übersicht unserer letzten Veröffentlichungen. - [Code-Beispiele](https://api.celanio.com/code-samples.md): Praktische Code-Beispiele in PHP, JavaScript, Python und cURL für die Arbeit mit der celanio Contacts-API – Kontakte erstellen, abrufen, aktualisieren und suchen. - [Add a new contact if it not exists. To call this, you need to have the right to add contact of 090300.](https://api.celanio.com/api-reference/post-contacts.md): No description found - [Finds contact by id. To call this, you need to have access contact details right of 090300.](https://api.celanio.com/api-reference/get-contacts-contactid.md): No description found - [Update a contact if found. To call this, you need to have edit contact right of 090300.](https://api.celanio.com/api-reference/patch-contacts-contactid.md): No description found - [Finds contact by email. To call this, you need to have access contact details right of 090300.](https://api.celanio.com/api-reference/get-contacts-search-email-emailaddress.md): No description found - [Find contacts by category id. Multiple categories possible (separated by commas). To call this, you need to have access contact details right of 090300.](https://api.celanio.com/api-reference/get-contacts-search-category-categoryid.md): No description found - [Add a new company if it not exists. To call this, you need to have the right to add contact of 090300.](https://api.celanio.com/api-reference/post-companies.md): No description found - [Finds company by id. To call this, you need to have access contact details right of 090300.](https://api.celanio.com/api-reference/get-companies-companyid.md): No description found - [Update a company if found. To call this, you need to have edit contact right of 090300.](https://api.celanio.com/api-reference/patch-companies-companyid.md): No description found - [Add a new invoice confirm. To call this, you need to have access right of 100400, 'resTyp' is only ART allowed and you need right to access to product management.](https://api.celanio.com/api-reference/post-invoiceconfirm.md): No description found - [This imports an attachment into the file system and creates a link to the file in the task with the given task ID.](https://api.celanio.com/api-reference/post-attachment-crm-taskid-filename.md): No description found - [This call imports an attachment into the file system and links it to the mail (sent by a participant) with the given ID.](https://api.celanio.com/api-reference/post-attachment-participant-mailid-filename.md): No description found - [Returns all the leads, which are connected to the contact with the given contact-ID.](https://api.celanio.com/api-reference/get-leads-search-cid-contactid.md): No description found - [Create leads and links to contact with contact ID](https://api.celanio.com/api-reference/post-leads-createlead.md): No description found - [Returns all crm users, which are connected with client the given client-ID.](https://api.celanio.com/api-reference/get-users-crmusers.md): No description found - [Returns list of all clients that are connected with the API-User.](https://api.celanio.com/api-reference/get-users-clients.md): No description found - [Returns all contact categories, which are connected with client the given client-ID.](https://api.celanio.com/api-reference/get-contactcategories-findbyclientid.md): No description found - [Returns all lead categories, which are connected with client the given client-ID.](https://api.celanio.com/api-reference/get-leadcategories-findbyclientid.md): No description found - [This imports an e-mail into the logbook section of the specified lead.](https://api.celanio.com/api-reference/post-mail-crmlead-leadid.md): No description found - [This imports an e-mail to a participant.](https://api.celanio.com/api-reference/post-mail-participant-participantid.md): No description found - [Subscribes newsletter using newsletter from ID and creates a contact if it ist not exists.](https://api.celanio.com/api-reference/post-newsletter-subscribe-formid.md): No description found - [This returns all the event participations of the contact with the given contact-ID. Currently all participations within the last and the next three months are returned.](https://api.celanio.com/api-reference/get-participations-search-cid-contactid-searchperiod.md): No description found - [This saves an email as a todo in DB.](https://api.celanio.com/api-reference/post-todo-import.md): No description found - [Finds participant custId1. To call this, you need to have access contact details right of 090300.](https://api.celanio.com/api-reference/get-participants-custid1-custid1.md): No description found - [Receive information on event related data.](https://api.celanio.com/api-reference/get-events.md): Request can be send with body or as query. Type of array parameter can be given by seperating them by comma. Example: &eventId=2,3,4 - [Check if token exists and license is active](https://api.celanio.com/api-reference/get-checktoken-token.md): Returns a boolean flag whether the given token exists for a user and the license 'set_restapi_token_right' is active. ## Impressum - [Impressum](https://api.celanio.com/impressum.md): Weiterleitung zur Impressum-Seite auf celanio.com