diff --git a/server/__tests__/integration/server/routes/api/v1/campaigns/campaign_put_endpoint.test.js b/server/__tests__/integration/server/routes/api/v1/campaigns/campaign_put_endpoint.test.js
new file mode 100644
index 000000000..5ba9b1479
--- /dev/null
+++ b/server/__tests__/integration/server/routes/api/v1/campaigns/campaign_put_endpoint.test.js
@@ -0,0 +1,56 @@
+const request = require('supertest')
+const app = require('../../../../../../../app')
+const Campaign = require('../../../../../../../db/models/campaign')
+
+jest.mock('../../../../../../../db/models/campaign')
+
+describe('PUT /api/v1/campaigns/:id', () => {
+  it('should return 200 if successfully updated the campaign', async () => {
+    const campaignData = {
+      id: 5,
+      name: "Sogorea 'Te Land Trust",
+      organization: "Sogorea 'Te Land Trust",
+      page_url: 'https://sogoreate-landtrust.org/',
+      cause: 'Civic Rights',
+      type: 'Grant'
+    }
+    // Mock patchAndFetchById to return a resolved promise
+    Campaign.query.mockReturnValue({
+      patchAndFetchById: jest.fn().mockResolvedValue(campaignData)
+    })
+    const response = await request(app).put('/api/v1/campaigns/5').send({
+      campaign: campaignData
+    })
+    expect(response.status).toBe(200)
+    expect(response.body.campaign).toEqual(campaignData)
+  })
+
+  it('should return 400 if no campaign is found', async () => {
+    // Mock patchAndFetchById to return undefined
+    Campaign.query.mockReturnValue({
+      patchAndFetchById: jest.fn().mockResolvedValue(undefined)
+    })
+    const response = await request(app)
+      .put('/api/v1/campaigns/999999')
+      .send({ campaign: { type: 'Accelerator' } })
+
+    expect(response.status).toBe(404)
+    expect(response.body.msg).toBe('Campaign not found')
+  })
+
+  it('should return 500 for invalid update', async () => {
+    // Mock patchAndFetchById to throw an error
+    Campaign.query.mockReturnValue({
+      patchAndFetchById: jest.fn().mockRejectedValue(new Error('Server error'))
+    })
+    const response = await request(app)
+      .put('/api/v1/campaigns/5')
+      .send({
+        campaign: {
+          type: 'random'
+        }
+      })
+
+    expect(response.status).toBe(500)
+  })
+})
diff --git a/server/api.js b/server/api.js
index c7e5e57e3..32673aacf 100644
--- a/server/api.js
+++ b/server/api.js
@@ -13,6 +13,9 @@ const checkout = require('./routes/api/checkout')
 const twilio = require('./routes/api/twilio')
 const eventLogger = require('./routes/api/event_logger')
 
+// import the whole collection of v1 routes
+const v1Router = require('./routes/api/v1/v1.js')
+
 // Created a nested router
 const apiRouter = express.Router()
 
@@ -36,4 +39,7 @@ apiRouter.use('/checkout', checkout)
 apiRouter.use('/twilio', twilio)
 apiRouter.use('/event_logger', eventLogger)
 
+// Create the /v1 portion of the url.
+apiRouter.use('/v1', v1Router)
+
 module.exports = apiRouter
diff --git a/server/db/models/campaign.js b/server/db/models/campaign.js
index 55b9fa70f..1b1ccd244 100644
--- a/server/db/models/campaign.js
+++ b/server/db/models/campaign.js
@@ -29,21 +29,6 @@ class Campaign extends BaseModel {
       }
     }
   }
-
-  // This object defines the relations to other models.
-  static get relationMappings() {
-    const LetterVersion = require('./letter-version')
-    return {
-      LetterVersions: {
-        relation: BaseModel.HasManyRelation,
-        modelClass: LetterVersion,
-        join: {
-          from: 'campaigns.id',
-          to: 'letter_versions.campaign_id'
-        }
-      }
-    }
-  }
 }
 
 module.exports = Campaign
diff --git a/server/routes/api/v1/campaigns/index.js b/server/routes/api/v1/campaigns/index.js
new file mode 100644
index 000000000..0a6e31c48
--- /dev/null
+++ b/server/routes/api/v1/campaigns/index.js
@@ -0,0 +1,28 @@
+const express = require('express')
+const Campaign = require('../../../../db/models/campaign')
+
+const router = express.Router()
+
+// PUT request to update a campaign
+router.put('/:id', async (req, res) => {
+  const campaignId = req.params.id
+
+  if (!campaignId) return res.status(404).end()
+
+  try {
+    const updatedCampaign = await Campaign.query().patchAndFetchById(
+      campaignId,
+      req.body.campaign
+    )
+    if (!updatedCampaign)
+      return res.status(404).json({ msg: 'Campaign not found' }).end()
+
+    return res.status(200).json({ campaign: updatedCampaign }).end()
+  } catch (error) {
+    console.error(error.message)
+
+    return res.status(500).json({ msg: error.message }).end()
+  }
+})
+
+module.exports = router
diff --git a/server/routes/api/v1/v1.js b/server/routes/api/v1/v1.js
new file mode 100644
index 000000000..a084330ab
--- /dev/null
+++ b/server/routes/api/v1/v1.js
@@ -0,0 +1,9 @@
+const express = require('express')
+const campaigns = require('./campaigns') // If the routes file is named index.js, we can omit it when we do the import instead of writing './campaigns/index'.
+
+const v1Router = express.Router()
+
+// Create the final piece of the url /campaigns
+v1Router.use('/campaigns', campaigns)
+
+module.exports = v1Router