> For the complete documentation index, see [llms.txt](https://doc.api-engagement.beta.gouv.fr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.api-engagement.beta.gouv.fr/api-reference/mission-mission/creer-mettre-a-jour.md).

# Créer / mettre à jour une mission

{% openapi src="/files/8nuP0Yp800kRTnhVUcMa" path="/v2/mission" method="post" expanded="true" %}
[openapi.yaml](https://852608284-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FubkRP59ZFCzK5T16bZo1%2Fuploads%2Fgit-blob-26a88e25a079e0899ab8f6c916244cec2aef5121%2Fopenapi.yaml?alt=media)
{% endopenapi %}

{% openapi src="/files/8nuP0Yp800kRTnhVUcMa" path="/v2/mission/{clientId}" method="put" expanded="true" %}
[openapi.yaml](https://852608284-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FubkRP59ZFCzK5T16bZo1%2Fuploads%2Fgit-blob-26a88e25a079e0899ab8f6c916244cec2aef5121%2Fopenapi.yaml?alt=media)
{% endopenapi %}