diff --git a/package-lock.json b/package-lock.json
index c1a11df7..e9a8a346 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@seamapi/blueprint",
-  "version": "0.21.0",
+  "version": "0.21.3",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@seamapi/blueprint",
-      "version": "0.21.0",
+      "version": "0.21.3",
       "license": "MIT",
       "dependencies": {
         "change-case": "^5.4.4",
diff --git a/package.json b/package.json
index b98e4c92..6a7ebcd8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@seamapi/blueprint",
-  "version": "0.21.0",
+  "version": "0.21.3",
   "description": "Build tools for the Seam API using this blueprint.",
   "type": "module",
   "main": "index.js",
diff --git a/src/lib/blueprint.ts b/src/lib/blueprint.ts
index 0261c53f..a9ce9bec 100644
--- a/src/lib/blueprint.ts
+++ b/src/lib/blueprint.ts
@@ -521,7 +521,7 @@ export const createRequest = (
 
   if (!methods.includes('POST')) {
     // eslint-disable-next-line no-console
-    console.warn('POST method is missing')
+    console.warn(`POST method is missing for ${path}`)
   }
 
   const semanticMethod = getSemanticMethod(methods)
diff --git a/src/lib/code-sample/go.ts b/src/lib/code-sample/go.ts
index 2f4d3600..d250afbe 100644
--- a/src/lib/code-sample/go.ts
+++ b/src/lib/code-sample/go.ts
@@ -2,8 +2,8 @@ import { pascalCase } from 'change-case'
 
 import type { Json, NonNullJson } from 'lib/json.js'
 
-import { createJsonResponse } from './create-json-response.js'
 import type { CodeSampleDefinition, Context } from './schema.js'
+import { createJsonResponse } from './json.js'
 
 const defaultGoPackageName = 'api'
 const goPackageBasePath = 'github.com/seamapi/go'
diff --git a/src/lib/code-sample/javascript.ts b/src/lib/code-sample/javascript.ts
index c3f9316a..cdf77191 100644
--- a/src/lib/code-sample/javascript.ts
+++ b/src/lib/code-sample/javascript.ts
@@ -1,6 +1,6 @@
 import { camelCase } from 'change-case'
 
-import { createJsonResponse } from './create-json-response.js'
+import { createJsonResponse } from './json.js'
 import type { CodeSampleDefinition, Context } from './schema.js'
 
 export const createJavascriptRequest = (
diff --git a/src/lib/code-sample/create-json-response.ts b/src/lib/code-sample/json.ts
similarity index 83%
rename from src/lib/code-sample/create-json-response.ts
rename to src/lib/code-sample/json.ts
index 417682dd..6d347f01 100644
--- a/src/lib/code-sample/create-json-response.ts
+++ b/src/lib/code-sample/json.ts
@@ -5,7 +5,9 @@ export const createJsonResponse = (
   context: Context,
 ): string => {
   const { endpoint } = context
-  if (endpoint.response.responseType === 'void') return 'void'
+  if (endpoint.response.responseType === 'void') {
+    return JSON.stringify({})
+  }
   const { responseKey } = endpoint.response
   const data = response?.body?.[responseKey]
   if (data == null) {
diff --git a/src/lib/code-sample/schema.ts b/src/lib/code-sample/schema.ts
index 99e12d23..346011bc 100644
--- a/src/lib/code-sample/schema.ts
+++ b/src/lib/code-sample/schema.ts
@@ -28,7 +28,7 @@ export const CodeSampleDefinitionSchema = z.object({
         /^[a-z_/]+$/,
         'Can only contain the lowercase letters a-z, underscores, and forward slashes.',
       ),
-    parameters: z.record(z.string().min(1), JsonSchema),
+    parameters: z.record(z.string().min(1), JsonSchema).optional().default({}),
   }),
   response: z.object({
     body: z.record(z.string().min(1), JsonSchema).nullable(),
@@ -81,13 +81,16 @@ export const createCodeSample = async (
   codeSampleDefinition: CodeSampleDefinition,
   context: Context,
 ): Promise<CodeSample> => {
+  const isVoidResponse = context.endpoint.response.responseType === 'void'
   const code: Code = {
     javascript: {
       title: 'JavaScript',
       request: createJavascriptRequest(codeSampleDefinition, context),
-      response: createJavascriptResponse(codeSampleDefinition, context),
+      response: isVoidResponse
+        ? '// void'
+        : createJavascriptResponse(codeSampleDefinition, context),
       request_syntax: 'javascript',
-      response_syntax: 'javascript',
+      response_syntax: isVoidResponse ? 'javascript' : 'json',
     },
     python: {
       title: 'Python',
diff --git a/src/lib/code-sample/seam-cli.ts b/src/lib/code-sample/seam-cli.ts
index cc446a7d..49f080f8 100644
--- a/src/lib/code-sample/seam-cli.ts
+++ b/src/lib/code-sample/seam-cli.ts
@@ -1,6 +1,6 @@
 import { kebabCase } from 'change-case'
 
-import { createJsonResponse } from './create-json-response.js'
+import { createJsonResponse } from './json.js'
 import type { CodeSampleDefinition, Context } from './schema.js'
 
 export const createSeamCliRequest = (
diff --git a/test/snapshots/blueprint.test.ts.md b/test/snapshots/blueprint.test.ts.md
index a12bcfd6..7b941aea 100644
--- a/test/snapshots/blueprint.test.ts.md
+++ b/test/snapshots/blueprint.test.ts.md
@@ -144,7 +144,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})',
                       request_syntax: 'javascript',
                       response: '{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -243,7 +243,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})',
                       request_syntax: 'javascript',
                       response: '{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -340,7 +340,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.list()',
                       request_syntax: 'javascript',
                       response: '[{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -437,7 +437,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.list()',
                       request_syntax: 'javascript',
                       response: '[{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -536,7 +536,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})',
                       request_syntax: 'javascript',
                       response: '{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -635,7 +635,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})',
                       request_syntax: 'javascript',
                       response: '{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -732,7 +732,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.list()',
                       request_syntax: 'javascript',
                       response: '[{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -829,7 +829,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.list()',
                       request_syntax: 'javascript',
                       response: '[{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -928,7 +928,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})',
                       request_syntax: 'javascript',
                       response: '{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -1027,7 +1027,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})',
                       request_syntax: 'javascript',
                       response: '{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -1124,7 +1124,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.list()',
                       request_syntax: 'javascript',
                       response: '[{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -1221,7 +1221,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.foos.list()',
                       request_syntax: 'javascript',
                       response: '[{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -1328,7 +1328,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.transport.air.planes.list()',
                       request_syntax: 'javascript',
                       response: '[{"plane_id":"9d3163f9-9185-40d3-a0ce-a03d3c7ce402","name":"Woosh"}]',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -1416,7 +1416,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.transport.air.planes.list()',
                       request_syntax: 'javascript',
                       response: '[{"plane_id":"9d3163f9-9185-40d3-a0ce-a03d3c7ce402","name":"Woosh"}]',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -1504,7 +1504,7 @@ Generated by [AVA](https://avajs.dev).
                       request: 'await seam.transport.air.planes.list()',
                       request_syntax: 'javascript',
                       response: '[{"plane_id":"9d3163f9-9185-40d3-a0ce-a03d3c7ce402","name":"Woosh"}]',
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -1598,14 +1598,14 @@ Generated by [AVA](https://avajs.dev).
                     go: {
                       request: 'client.Deprecated.Undocumented.Endpoint(context.Background())',
                       request_syntax: 'go',
-                      response: 'void',
+                      response: '{}',
                       response_syntax: 'json',
                       title: 'Go',
                     },
                     javascript: {
                       request: 'await seam.deprecated.undocumented.endpoint()',
                       request_syntax: 'javascript',
-                      response: 'void',
+                      response: '// void',
                       response_syntax: 'javascript',
                       title: 'JavaScript',
                     },
@@ -1634,7 +1634,7 @@ Generated by [AVA](https://avajs.dev).
                     seam_cli: {
                       request: 'seam deprecated undocumented endpoint ',
                       request_syntax: 'bash',
-                      response: 'void',
+                      response: '{}',
                       response_syntax: 'json',
                       title: 'Seam CLI',
                     },
@@ -1677,14 +1677,14 @@ Generated by [AVA](https://avajs.dev).
                     go: {
                       request: 'client.Deprecated.Undocumented.Endpoint(context.Background())',
                       request_syntax: 'go',
-                      response: 'void',
+                      response: '{}',
                       response_syntax: 'json',
                       title: 'Go',
                     },
                     javascript: {
                       request: 'await seam.deprecated.undocumented.endpoint()',
                       request_syntax: 'javascript',
-                      response: 'void',
+                      response: '// void',
                       response_syntax: 'javascript',
                       title: 'JavaScript',
                     },
@@ -1713,7 +1713,7 @@ Generated by [AVA](https://avajs.dev).
                     seam_cli: {
                       request: 'seam deprecated undocumented endpoint ',
                       request_syntax: 'bash',
-                      response: 'void',
+                      response: '{}',
                       response_syntax: 'json',
                       title: 'Seam CLI',
                     },
@@ -1756,14 +1756,14 @@ Generated by [AVA](https://avajs.dev).
                     go: {
                       request: 'client.Deprecated.Undocumented.Endpoint(context.Background())',
                       request_syntax: 'go',
-                      response: 'void',
+                      response: '{}',
                       response_syntax: 'json',
                       title: 'Go',
                     },
                     javascript: {
                       request: 'await seam.deprecated.undocumented.endpoint()',
                       request_syntax: 'javascript',
-                      response: 'void',
+                      response: '// void',
                       response_syntax: 'javascript',
                       title: 'JavaScript',
                     },
@@ -1792,7 +1792,7 @@ Generated by [AVA](https://avajs.dev).
                     seam_cli: {
                       request: 'seam deprecated undocumented endpoint ',
                       request_syntax: 'bash',
-                      response: 'void',
+                      response: '{}',
                       response_syntax: 'json',
                       title: 'Seam CLI',
                     },
@@ -1986,9 +1986,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       {"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -2097,9 +2097,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       {"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -2206,9 +2206,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.list()`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       [{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -2315,9 +2315,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.list()`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       [{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -2426,9 +2426,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       {"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -2537,9 +2537,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       {"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -2646,9 +2646,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.list()`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       [{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -2755,9 +2755,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.list()`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       [{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -2866,9 +2866,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       {"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -2977,9 +2977,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.get({"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33"})`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       {"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -3086,9 +3086,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.list()`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       [{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -3195,9 +3195,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.foos.list()`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       [{"foo_id":"8d7e0b3a-b889-49a7-9164-4b71a0506a33","name":"Best foo","nullable_prop":null,"number_prop":10,"object_prop":{"foo":"bar"},"array_prop":["foo","bar"]}]`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -3314,9 +3314,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.transport.air.planes.list()`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       [{"plane_id":"9d3163f9-9185-40d3-a0ce-a03d3c7ce402","name":"Woosh"}]`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -3414,9 +3414,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.transport.air.planes.list()`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       [{"plane_id":"9d3163f9-9185-40d3-a0ce-a03d3c7ce402","name":"Woosh"}]`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -3514,9 +3514,9 @@ Generated by [AVA](https://avajs.dev).
                       request: `// javascript␊
                       await seam.transport.air.planes.list()`,
                       request_syntax: 'javascript',
-                      response: `// javascript␊
+                      response: `// json␊
                       [{"plane_id":"9d3163f9-9185-40d3-a0ce-a03d3c7ce402","name":"Woosh"}]`,
-                      response_syntax: 'javascript',
+                      response_syntax: 'json',
                       title: 'JavaScript',
                     },
                     php: {
@@ -3620,7 +3620,7 @@ Generated by [AVA](https://avajs.dev).
                       client.Deprecated.Undocumented.Endpoint(context.Background())`,
                       request_syntax: 'go',
                       response: `// json␊
-                      void`,
+                      {}`,
                       response_syntax: 'json',
                       title: 'Go',
                     },
@@ -3629,7 +3629,7 @@ Generated by [AVA](https://avajs.dev).
                       await seam.deprecated.undocumented.endpoint()`,
                       request_syntax: 'javascript',
                       response: `// javascript␊
-                      void`,
+                      // void`,
                       response_syntax: 'javascript',
                       title: 'JavaScript',
                     },
@@ -3666,7 +3666,7 @@ Generated by [AVA](https://avajs.dev).
                       seam deprecated undocumented endpoint `,
                       request_syntax: 'bash',
                       response: `// json␊
-                      void`,
+                      {}`,
                       response_syntax: 'json',
                       title: 'Seam CLI',
                     },
@@ -3711,7 +3711,7 @@ Generated by [AVA](https://avajs.dev).
                       client.Deprecated.Undocumented.Endpoint(context.Background())`,
                       request_syntax: 'go',
                       response: `// json␊
-                      void`,
+                      {}`,
                       response_syntax: 'json',
                       title: 'Go',
                     },
@@ -3720,7 +3720,7 @@ Generated by [AVA](https://avajs.dev).
                       await seam.deprecated.undocumented.endpoint()`,
                       request_syntax: 'javascript',
                       response: `// javascript␊
-                      void`,
+                      // void`,
                       response_syntax: 'javascript',
                       title: 'JavaScript',
                     },
@@ -3757,7 +3757,7 @@ Generated by [AVA](https://avajs.dev).
                       seam deprecated undocumented endpoint `,
                       request_syntax: 'bash',
                       response: `// json␊
-                      void`,
+                      {}`,
                       response_syntax: 'json',
                       title: 'Seam CLI',
                     },
@@ -3802,7 +3802,7 @@ Generated by [AVA](https://avajs.dev).
                       client.Deprecated.Undocumented.Endpoint(context.Background())`,
                       request_syntax: 'go',
                       response: `// json␊
-                      void`,
+                      {}`,
                       response_syntax: 'json',
                       title: 'Go',
                     },
@@ -3811,7 +3811,7 @@ Generated by [AVA](https://avajs.dev).
                       await seam.deprecated.undocumented.endpoint()`,
                       request_syntax: 'javascript',
                       response: `// javascript␊
-                      void`,
+                      // void`,
                       response_syntax: 'javascript',
                       title: 'JavaScript',
                     },
@@ -3848,7 +3848,7 @@ Generated by [AVA](https://avajs.dev).
                       seam deprecated undocumented endpoint `,
                       request_syntax: 'bash',
                       response: `// json␊
-                      void`,
+                      {}`,
                       response_syntax: 'json',
                       title: 'Seam CLI',
                     },
diff --git a/test/snapshots/blueprint.test.ts.snap b/test/snapshots/blueprint.test.ts.snap
index a0ad91aa..3c8daa2f 100644
Binary files a/test/snapshots/blueprint.test.ts.snap and b/test/snapshots/blueprint.test.ts.snap differ