diff --git a/tests/test_api_c3voc.py b/tests/test_api_c3voc.py
new file mode 100644
index 000000000..c614843b0
--- /dev/null
+++ b/tests/test_api_c3voc.py
@@ -0,0 +1,306 @@
+import pytest
+
+from models import event_year
+from models.cfp import TalkProposal, Proposal
+
+
+# base webhook. current year, no videos enabled.
+WEBHOOK_CONTENTS_BASE = {
+    "message": "none",
+    "is_master": True,
+    "fahrplan": {
+        "conference": f"emf{event_year()}"
+        "id": 0,
+    },
+    "voctoweb": {
+        "enabled": False,
+    },
+    "youtube": {
+        "enabled": False,
+    },
+}
+
+
+@pytest.fixture(scope="module")
+def proposal(db, user):
+    proposal = TalkProposal()
+    proposal.title = "Title"
+    proposal.description = "Description"
+    proposal.user = user
+
+    db.session.add(proposal)
+    db.session.commit()
+
+    return proposal
+
+
+def test_denies_request_without_api_key(client, app, proposal):
+    app.config.update(
+        {
+            "VIDEO_API_KEY": "api-key",
+        }
+    )
+
+    rv = client.patch(
+        f"/api/proposal/c3voc-publishing-webhook",
+        json=WEBHOOK_CONTENTS_BASE
+    )
+    assert rv.status_code == 401
+
+
+def test_denies_request_no_master(client, app, proposal):
+    app.config.update(
+        {
+            "VIDEO_API_KEY": "api-key",
+        }
+    )
+
+    webhook = WEBHOOK_CONTENTS_BASE
+    webhook["is_master"] = False
+
+    rv = client.patch(
+        f"/api/proposal/c3voc-publishing-webhook",
+        headers={
+            "Authorization": "Bearer api-key",
+        },
+        json=webhook
+    )
+    assert rv.status_code == 403
+
+
+def test_denies_request_wrong_year(client, app, proposal):
+    app.config.update(
+        {
+            "VIDEO_API_KEY": "api-key",
+        }
+    )
+
+    webhook = WEBHOOK_CONTENTS_BASE
+    webhook["fahrplan"]["conference"] = "emf1970"
+
+    rv = client.patch(
+        f"/api/proposal/c3voc-publishing-webhook",
+        headers={
+            "Authorization": "Bearer api-key",
+        },
+        json=webhook
+    )
+    assert rv.status_code == 422
+
+
+def test_request_none_update_none(client, app, proposal):
+    app.config.update(
+        {
+            "VIDEO_API_KEY": "api-key",
+        }
+    )
+
+    webhook = WEBHOOK_CONTENTS_BASE
+    webhook["fahrplan"]["id"] = proposal.id
+
+    rv = client.patch(
+        f"/api/proposal/c3voc-publishing-webhook",
+        headers={
+            "Authorization": "Bearer api-key",
+        },
+        json=webhook
+    )
+    assert rv.status_code == 204
+
+    proposal = Proposal.query.get(proposal.id)
+    assert proposal.youtube_url == None
+    assert proposal.c3voc_url == None
+
+
+def test_request_voctoweb_update_voctoweb_correct_url(client, app, proposal):
+    app.config.update(
+        {
+            "VIDEO_API_KEY": "api-key",
+        }
+    )
+
+    webhook = WEBHOOK_CONTENTS_BASE
+    webhook["fahrplan"]["id"] = proposal.id
+    webhook["voctoweb"] = {
+        "enabled": True,
+        "frontend_url": "https://media.ccc.de/",
+    }
+
+    proposal.video_recording_lost = True
+    db.session.add(proposal)
+    db.session.commit()
+
+    rv = client.patch(
+        f"/api/proposal/c3voc-publishing-webhook",
+        headers={
+            "Authorization": "Bearer api-key",
+        },
+        json=webhook
+    )
+    assert rv.status_code == 204
+
+    proposal = Proposal.query.get(proposal.id)
+    assert proposal.c3voc_url == "https://media.ccc.de/"
+    assert proposal.video_recording_lost == False
+    assert proposal.youtube_url == None
+
+
+def test_request_voctoweb_update_voctoweb_wrong_url(client, app, proposal):
+    app.config.update(
+        {
+            "VIDEO_API_KEY": "api-key",
+        }
+    )
+
+    webhook = WEBHOOK_CONTENTS_BASE
+    webhook["fahrplan"]["id"] = proposal.id
+    webhook["voctoweb"] = {
+        "enabled": True,
+        "frontend_url": "https://example.org",
+    }
+
+    proposal.c3voc_url = "https://example.com"
+    db.session.add(proposal)
+    db.session.commit()
+
+    rv = client.patch(
+        f"/api/proposal/c3voc-publishing-webhook",
+        headers={
+            "Authorization": "Bearer api-key",
+        },
+        json=webhook
+    )
+    assert rv.status_code == 406
+
+    proposal = Proposal.query.get(proposal.id)
+    assert proposal.c3voc_url == "https://example.com"
+
+
+def test_request_voctoweb_clears_voctoweb(client, app, proposal):
+    app.config.update(
+        {
+            "VIDEO_API_KEY": "api-key",
+        }
+    )
+
+    webhook = WEBHOOK_CONTENTS_BASE
+    webhook["fahrplan"]["id"] = proposal.id
+    webhook["voctoweb"] = {
+        "enabled": True,
+        "frontend_url": "",
+    }
+
+    proposal.c3voc_url = "https://example.com"
+    db.session.add(proposal)
+    db.session.commit()
+
+    rv = client.patch(
+        f"/api/proposal/c3voc-publishing-webhook",
+        headers={
+            "Authorization": "Bearer api-key",
+        },
+        json=webhook
+    )
+    assert rv.status_code == 406
+
+    proposal = Proposal.query.get(proposal.id)
+    assert proposal.c3voc_url == None
+
+
+def test_request_youtube_update_youtube_correct_url(client, app, proposal):
+    app.config.update(
+        {
+            "VIDEO_API_KEY": "api-key",
+        }
+    )
+
+    webhook = WEBHOOK_CONTENTS_BASE
+    webhook["fahrplan"]["id"] = proposal.id
+    webhook["youtube"] = {
+        "enabled": True,
+        "urls": [
+            "https://www.youtube.com/watch",
+        ],
+    }
+
+    proposal.video_recording_lost = True
+    db.session.add(proposal)
+    db.session.commit()
+
+    rv = client.patch(
+        f"/api/proposal/c3voc-publishing-webhook",
+        headers={
+            "Authorization": "Bearer api-key",
+        },
+        json=webhook
+    )
+    assert rv.status_code == 204
+
+    proposal = Proposal.query.get(proposal.id)
+    assert proposal.c3voc_url == None
+    assert proposal.video_recording_lost == False
+    assert proposal.youtube_url == "https://www.youtube.com/watch"
+
+
+def test_request_youtube_update_youtube_wrong_url(client, app, proposal):
+    app.config.update(
+        {
+            "VIDEO_API_KEY": "api-key",
+        }
+    )
+
+    webhook = WEBHOOK_CONTENTS_BASE
+    webhook["fahrplan"]["id"] = proposal.id
+    webhook["youtube"] = {
+        "enabled": True,
+        "urls": [
+            "https://example.org",
+        ],
+    }
+
+    proposal.youtube_url = "https://example.com"
+    db.session.add(proposal)
+    db.session.commit()
+
+    rv = client.patch(
+        f"/api/proposal/c3voc-publishing-webhook",
+        headers={
+            "Authorization": "Bearer api-key",
+        },
+        json=webhook
+    )
+    assert rv.status_code == 204
+
+    proposal = Proposal.query.get(proposal.id)
+    assert proposal.youtube_url == "https://example.com"
+
+
+def test_request_youtube_clears_youtube(client, app, proposal):
+    app.config.update(
+        {
+            "VIDEO_API_KEY": "api-key",
+        }
+    )
+
+    webhook = WEBHOOK_CONTENTS_BASE
+    webhook["fahrplan"]["id"] = proposal.id
+    webhook["youtube"] = {
+        "enabled": True,
+        "urls": [],
+    }
+
+    proposal.youtube_url = "https://example.com"
+    db.session.add(proposal)
+    db.session.commit()
+
+    rv = client.patch(
+        f"/api/proposal/c3voc-publishing-webhook",
+        headers={
+            "Authorization": "Bearer api-key",
+        },
+        json=webhook
+    )
+    assert rv.status_code == 204
+
+    proposal = Proposal.query.get(proposal.id)
+    assert proposal.youtube_url == None