diff --git a/packages/medusa/src/api/routes/admin/orders/__tests__/delete-metadata.js b/packages/medusa/src/api/routes/admin/orders/__tests__/delete-metadata.js
new file mode 100644
index 0000000000..cbd3452225
--- /dev/null
+++ b/packages/medusa/src/api/routes/admin/orders/__tests__/delete-metadata.js
@@ -0,0 +1,35 @@
+import { IdMap } from "medusa-test-utils"
+import { request } from "../../../../../helpers/test-request"
+import { OrderServiceMock } from "../../../../../services/__mocks__/order"
+
+describe("DELETE /admin/orders/:id/metadata/key", () => {
+  describe("successfully deletes metadata on order", () => {
+    let subject
+
+    beforeAll(async () => {
+      subject = await request(
+        "DELETE",
+        `/admin/orders/${IdMap.getId("test-order")}/metadata/test-key`,
+        {
+          adminSession: {
+            jwt: {
+              userId: IdMap.getId("admin_user"),
+            },
+          },
+        }
+      )
+    })
+
+    it("returns 200", () => {
+      expect(subject.status).toEqual(200)
+    })
+
+    it("calls OrderService deleteMetadata", () => {
+      expect(OrderServiceMock.deleteMetadata).toHaveBeenCalledTimes(1)
+      expect(OrderServiceMock.deleteMetadata).toHaveBeenCalledWith(
+        IdMap.getId("test-order"),
+        "test-key"
+      )
+    })
+  })
+})
diff --git a/packages/medusa/src/api/routes/admin/orders/__tests__/set-metadata.js b/packages/medusa/src/api/routes/admin/orders/__tests__/set-metadata.js
new file mode 100644
index 0000000000..4d539f4f51
--- /dev/null
+++ b/packages/medusa/src/api/routes/admin/orders/__tests__/set-metadata.js
@@ -0,0 +1,40 @@
+import { IdMap } from "medusa-test-utils"
+import { request } from "../../../../../helpers/test-request"
+import { OrderServiceMock } from "../../../../../services/__mocks__/order"
+
+describe("POST /admin/orders/:id/metadata", () => {
+  describe("successfully sets metadata on order", () => {
+    let subject
+
+    beforeAll(async () => {
+      subject = await request(
+        "POST",
+        `/admin/orders/${IdMap.getId("test-order")}/metadata`,
+        {
+          payload: {
+            key: "Test key",
+            value: "Test value",
+          },
+          adminSession: {
+            jwt: {
+              userId: IdMap.getId("admin_user"),
+            },
+          },
+        }
+      )
+    })
+
+    it("returns 200", () => {
+      expect(subject.status).toEqual(200)
+    })
+
+    it("calls OrderService setMetadata", () => {
+      expect(OrderServiceMock.setMetadata).toHaveBeenCalledTimes(1)
+      expect(OrderServiceMock.setMetadata).toHaveBeenCalledWith(
+        IdMap.getId("test-order"),
+        "Test key",
+        "Test value"
+      )
+    })
+  })
+})
diff --git a/packages/medusa/src/api/routes/admin/orders/delete-metadata.js b/packages/medusa/src/api/routes/admin/orders/delete-metadata.js
new file mode 100644
index 0000000000..791e650b72
--- /dev/null
+++ b/packages/medusa/src/api/routes/admin/orders/delete-metadata.js
@@ -0,0 +1,13 @@
+export default async (req, res) => {
+  const { id, key } = req.params
+
+  try {
+    const orderService = req.scope.resolve("orderService")
+    let order = await orderService.deleteMetadata(id, key)
+    order = await orderService.decorate(order, [], ["region"])
+
+    res.status(200).json({ order })
+  } catch (err) {
+    throw err
+  }
+}
diff --git a/packages/medusa/src/api/routes/admin/orders/index.js b/packages/medusa/src/api/routes/admin/orders/index.js
index 9be363ca9f..4f41c8805c 100644
--- a/packages/medusa/src/api/routes/admin/orders/index.js
+++ b/packages/medusa/src/api/routes/admin/orders/index.js
@@ -95,5 +95,21 @@ export default app => {
     middlewares.wrap(require("./archive-order").default)
   )
 
+  /**
+   * Set metadata key / value pair.
+   */
+  route.post(
+    "/:id/metadata",
+    middlewares.wrap(require("./set-metadata").default)
+  )
+
+  /**
+   * Delete metadata key / value pair.
+   */
+  route.delete(
+    "/:id/metadata/:key",
+    middlewares.wrap(require("./delete-metadata").default)
+  )
+
   return app
 }
diff --git a/packages/medusa/src/api/routes/admin/orders/set-metadata.js b/packages/medusa/src/api/routes/admin/orders/set-metadata.js
new file mode 100644
index 0000000000..51c6c02c18
--- /dev/null
+++ b/packages/medusa/src/api/routes/admin/orders/set-metadata.js
@@ -0,0 +1,25 @@
+import { MedusaError, Validator } from "medusa-core-utils"
+
+export default async (req, res) => {
+  const { id } = req.params
+
+  const schema = Validator.object().keys({
+    key: Validator.string().required(),
+    value: Validator.string().required(),
+  })
+
+  const { value, error } = schema.validate(req.body)
+  if (error) {
+    throw new MedusaError(MedusaError.Types.INVALID_DATA, error.details)
+  }
+
+  try {
+    const orderService = req.scope.resolve("orderService")
+    let order = await orderService.setMetadata(id, value.key, value.value)
+    order = await orderService.decorate(order, [], ["region"])
+
+    res.status(200).json({ order })
+  } catch (err) {
+    throw err
+  }
+}
diff --git a/packages/medusa/src/api/routes/admin/regions/delete-metadata.js b/packages/medusa/src/api/routes/admin/regions/delete-metadata.js
new file mode 100644
index 0000000000..120df0e9c9
--- /dev/null
+++ b/packages/medusa/src/api/routes/admin/regions/delete-metadata.js
@@ -0,0 +1,12 @@
+export default async (req, res) => {
+  const { id, key } = req.params
+
+  try {
+    const regionService = req.scope.resolve("regionService")
+    const region = await regionService.deleteMetadata(id, key)
+
+    res.status(200).json({ region })
+  } catch (err) {
+    throw err
+  }
+}
diff --git a/packages/medusa/src/api/routes/admin/regions/index.js b/packages/medusa/src/api/routes/admin/regions/index.js
index 029b53194f..4618e25b88 100644
--- a/packages/medusa/src/api/routes/admin/regions/index.js
+++ b/packages/medusa/src/api/routes/admin/regions/index.js
@@ -52,5 +52,21 @@ export default app => {
     middlewares.wrap(require("./remove-fulfillment-provider").default)
   )
 
+  /**
+   * Set metadata key / value pair.
+   */
+  route.post(
+    "/:id/metadata",
+    middlewares.wrap(require("./set-metadata").default)
+  )
+
+  /**
+   * Delete metadata key / value pair.
+   */
+  route.delete(
+    "/:id/metadata/:key",
+    middlewares.wrap(require("./delete-metadata").default)
+  )
+
   return app
 }
diff --git a/packages/medusa/src/api/routes/admin/regions/set-metadata.js b/packages/medusa/src/api/routes/admin/regions/set-metadata.js
new file mode 100644
index 0000000000..2ab68d12ba
--- /dev/null
+++ b/packages/medusa/src/api/routes/admin/regions/set-metadata.js
@@ -0,0 +1,24 @@
+import { MedusaError, Validator } from "medusa-core-utils"
+
+export default async (req, res) => {
+  const { id } = req.params
+
+  const schema = Validator.object().keys({
+    key: Validator.string().required(),
+    value: Validator.string().required(),
+  })
+
+  const { value, error } = schema.validate(req.body)
+  if (error) {
+    throw new MedusaError(MedusaError.Types.INVALID_DATA, error.details)
+  }
+
+  try {
+    const regionService = req.scope.resolve("regionService")
+    const region = await regionService.setMetadata(id, value.key, value.value)
+
+    res.status(200).json({ region })
+  } catch (err) {
+    throw err
+  }
+}
diff --git a/packages/medusa/src/services/__mocks__/order.js b/packages/medusa/src/services/__mocks__/order.js
index 8f5834e186..faeb617895 100644
--- a/packages/medusa/src/services/__mocks__/order.js
+++ b/packages/medusa/src/services/__mocks__/order.js
@@ -137,6 +137,18 @@ export const OrderServiceMock = {
     }
     return Promise.resolve(undefined)
   }),
+  setMetadata: jest.fn().mockImplementation((id, key, value) => {
+    if (id === IdMap.getId("test-order")) {
+      return Promise.resolve(orders.testOrder)
+    }
+    return Promise.resolve(undefined)
+  }),
+  deleteMetadata: jest.fn().mockImplementation((id, key, value) => {
+    if (id === IdMap.getId("test-order")) {
+      return Promise.resolve(orders.testOrder)
+    }
+    return Promise.resolve(undefined)
+  }),
   retrieve: jest.fn().mockImplementation(orderId => {
     if (orderId === IdMap.getId("test-order")) {
       return Promise.resolve(orders.testOrder)
diff --git a/packages/medusa/src/services/region.js b/packages/medusa/src/services/region.js
index 5ca6fa6eaa..c8681b9589 100644
--- a/packages/medusa/src/services/region.js
+++ b/packages/medusa/src/services/region.js
@@ -370,6 +370,57 @@ class RegionService extends BaseService {
     const final = await this.runDecorators_(decorated)
     return final
   }
+
+  /**
+   * Dedicated method to set metadata for a region.
+   * To ensure that plugins does not overwrite each
+   * others metadata fields, setMetadata is provided.
+   * @param {string} regionId - the region to decorate.
+   * @param {string} key - key for metadata field
+   * @param {string} value - value for metadata field.
+   * @return {Promise} resolves to the updated result.
+   */
+  async setMetadata(regionId, key, value) {
+    const validatedId = this.validateId_(regionId)
+
+    if (typeof key !== "string") {
+      throw new MedusaError(
+        MedusaError.Types.INVALID_ARGUMENT,
+        "Key type is invalid. Metadata keys must be strings"
+      )
+    }
+
+    const keyPath = `metadata.${key}`
+    return this.regionModel_
+      .updateOne({ _id: validatedId }, { $set: { [keyPath]: value } })
+      .catch(err => {
+        throw new MedusaError(MedusaError.Types.DB_ERROR, err.message)
+      })
+  }
+
+  /**
+   * Dedicated method to delete metadata for an region.
+   * @param {string} regionId - the region to delete metadata from.
+   * @param {string} key - key for metadata field
+   * @return {Promise} resolves to the updated result.
+   */
+  async deleteMetadata(regionId, key) {
+    const validatedId = this.validateId_(regionId)
+
+    if (typeof key !== "string") {
+      throw new MedusaError(
+        MedusaError.Types.INVALID_ARGUMENT,
+        "Key type is invalid. Metadata keys must be strings"
+      )
+    }
+
+    const keyPath = `metadata.${key}`
+    return this.regionModel_
+      .updateOne({ _id: validatedId }, { $unset: { [keyPath]: "" } })
+      .catch(err => {
+        throw new MedusaError(MedusaError.Types.DB_ERROR, err.message)
+      })
+  }
 }
 
 export default RegionService