diff --git a/repo/rest-api/specs/resources/aliases/aliases-in-language.json b/repo/rest-api/specs/resources/aliases/aliases-in-language.json
index 1f9b99f79a7..c3912048d48 100644
--- a/repo/rest-api/specs/resources/aliases/aliases-in-language.json
+++ b/repo/rest-api/specs/resources/aliases/aliases-in-language.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getItemAliasesInLanguage",
 		"tags": [ "aliases" ],
 		"summary": "Retrieve an Item's aliases in a specific language",
 		"parameters": [
diff --git a/repo/rest-api/specs/resources/aliases/list.json b/repo/rest-api/specs/resources/aliases/list.json
index 3de201f8544..d4463da226f 100644
--- a/repo/rest-api/specs/resources/aliases/list.json
+++ b/repo/rest-api/specs/resources/aliases/list.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getItemAliases",
 		"tags": [ "aliases" ],
 		"summary": "Retrieve an Item's aliases",
 		"parameters": [
diff --git a/repo/rest-api/specs/resources/descriptions/description-in-language.json b/repo/rest-api/specs/resources/descriptions/description-in-language.json
index bc6b57c3910..4890312af6a 100644
--- a/repo/rest-api/specs/resources/descriptions/description-in-language.json
+++ b/repo/rest-api/specs/resources/descriptions/description-in-language.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getItemDescription",
 		"tags": [ "descriptions" ],
 		"summary": "Retrieve an Item's description in a specific language",
 		"parameters": [
@@ -22,6 +23,7 @@
 		}
 	},
 	"put": {
+		"operationId": "replaceItemDescription",
 		"tags": [ "descriptions" ],
 		"summary": "Add / Replace an Item's description in a specific language",
 		"parameters": [
diff --git a/repo/rest-api/specs/resources/items/single.json b/repo/rest-api/specs/resources/items/single.json
index f54e04e3c3f..c395328349c 100644
--- a/repo/rest-api/specs/resources/items/single.json
+++ b/repo/rest-api/specs/resources/items/single.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getItem",
 		"tags": [ "items" ],
 		"summary": "Retrieve a single Wikibase Item by ID",
 		"parameters": [
diff --git a/repo/rest-api/specs/resources/labels/label-in-language.json b/repo/rest-api/specs/resources/labels/label-in-language.json
index 2324cfb4bbd..8042245c747 100644
--- a/repo/rest-api/specs/resources/labels/label-in-language.json
+++ b/repo/rest-api/specs/resources/labels/label-in-language.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getItemLabel",
 		"tags": [ "labels" ],
 		"summary": "Retrieve an Item's label in a specific language",
 		"parameters": [
@@ -22,6 +23,7 @@
 		}
 	},
 	"put": {
+		"operationId": "replaceItemLabel",
 		"tags": [ "labels" ],
 		"summary": "Add / Replace an Item's label in a specific language",
 		"parameters": [
diff --git a/repo/rest-api/specs/resources/labels/list.json b/repo/rest-api/specs/resources/labels/list.json
index c45585fd193..9b2767ff12b 100644
--- a/repo/rest-api/specs/resources/labels/list.json
+++ b/repo/rest-api/specs/resources/labels/list.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getItemLabels",
 		"tags": [ "labels" ],
 		"summary": "Retrieve an Item's labels",
 		"parameters": [
@@ -21,6 +22,7 @@
 		}
 	},
 	"patch": {
+		"operationId": "patchItemLabels",
 		"tags": [ "labels" ],
 		"summary": "Change an Item's Labels",
 		"parameters": [
diff --git a/repo/rest-api/specs/resources/properties/single.json b/repo/rest-api/specs/resources/properties/single.json
index 30d865702fe..e5043313dbc 100644
--- a/repo/rest-api/specs/resources/properties/single.json
+++ b/repo/rest-api/specs/resources/properties/single.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getPropertyStatement",
 		"tags": [ "properties" ],
 		"summary": "Retrieve a single Wikibase Property by ID",
 		"parameters": [
diff --git a/repo/rest-api/specs/resources/statements/list-for-item.json b/repo/rest-api/specs/resources/statements/list-for-item.json
index e6bdc301465..7589ff8c936 100644
--- a/repo/rest-api/specs/resources/statements/list-for-item.json
+++ b/repo/rest-api/specs/resources/statements/list-for-item.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getItemStatements",
 		"tags": [ "statements" ],
 		"summary": "Retrieve Statements from an Item",
 		"parameters": [
@@ -22,6 +23,7 @@
 		}
 	},
 	"post": {
+		"operationId": "addItemStatement",
 		"tags": [ "statements" ],
 		"summary": "Add a new Statement to an Item",
 		"parameters": [
diff --git a/repo/rest-api/specs/resources/statements/list-for-property.json b/repo/rest-api/specs/resources/statements/list-for-property.json
index 8970778f002..8766d67ed8e 100644
--- a/repo/rest-api/specs/resources/statements/list-for-property.json
+++ b/repo/rest-api/specs/resources/statements/list-for-property.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getPropertyStatements",
 		"tags": [ "statements" ],
 		"summary": "Retrieve Statements from a Property",
 		"parameters": [
diff --git a/repo/rest-api/specs/resources/statements/single-for-item.json b/repo/rest-api/specs/resources/statements/single-for-item.json
index 9c474d2ae56..e3bfaff02d6 100644
--- a/repo/rest-api/specs/resources/statements/single-for-item.json
+++ b/repo/rest-api/specs/resources/statements/single-for-item.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getItemStatement",
 		"tags": [
 			"statements"
 		],
@@ -24,6 +25,7 @@
 		}
 	},
 	"put": {
+		"operationId": "replaceItemStatement",
 		"tags": [ "statements" ],
 		"summary": "Replace a single Statement of an Item",
 		"description": "This endpoint is also accessible through `/statements/{statement_id}`",
@@ -45,6 +47,7 @@
 		}
 	},
 	"patch": {
+		"operationId": "patchItemStatement",
 		"tags": [ "statements" ],
 		"summary": "Change elements of a single Statement of an Item",
 		"description": "This endpoint is also accessible through `/statements/{statement_id}`.",
@@ -68,6 +71,7 @@
 		}
 	},
 	"delete": {
+		"operationId": "deleteItemStatement",
 		"tags": [ "statements" ],
 		"summary": "Delete a single Statement from an Item",
 		"description": "This endpoint is also accessible through `/statements/{statement_id}`",
diff --git a/repo/rest-api/specs/resources/statements/single-for-property.json b/repo/rest-api/specs/resources/statements/single-for-property.json
index a980fb40d87..764a0b4d6b7 100644
--- a/repo/rest-api/specs/resources/statements/single-for-property.json
+++ b/repo/rest-api/specs/resources/statements/single-for-property.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getPropertyStatement",
 		"tags": [
 			"statements"
 		],
diff --git a/repo/rest-api/specs/resources/statements/single.json b/repo/rest-api/specs/resources/statements/single.json
index 7b1403ffda7..dd9336f0120 100644
--- a/repo/rest-api/specs/resources/statements/single.json
+++ b/repo/rest-api/specs/resources/statements/single.json
@@ -1,5 +1,6 @@
 {
 	"get": {
+		"operationId": "getStatement",
 		"tags": [
 			"statements"
 		],
@@ -23,6 +24,7 @@
 		}
 	},
 	"put": {
+		"operationId": "replaceStatement",
 		"tags": [ "statements" ],
 		"summary": "Replace a single Statement",
 		"description": "This endpoint is also accessible through `/entities/items/{item_id}/statements/{statement_id}`",
@@ -43,6 +45,7 @@
 		}
 	},
 	"patch": {
+		"operationId": "patchStatement",
 		"tags": [ "statements" ],
 		"summary": "Change elements of a single Statement",
 		"description": "This endpoint is also accessible through `/entities/items/{item_id}/statements/{statement_id}`",
@@ -65,6 +68,7 @@
 		}
 	},
 	"delete": {
+		"operationId": "deleteStatement",
 		"tags": [ "statements" ],
 		"summary": "Delete a single Statement",
 		"description": "This endpoint is also accessible through `/entities/items/{item_id}/statements/{statement_id}`",