Generating image from image not working

[notyodeas]

Hi i followed your docs to create an image from an image but run into an error,
here's my code
const uploadToCloudinary = (buffer) => { return new Promise((resolve, reject) => { cloudinary.uploader.upload_stream({ folder: 'aiexgirlfriend'}, (error, result) => { if (error) reject(error); else resolve(result); } ).end(buffer); }) } const storage = multer.memoryStorage(); const upload = multer({ storage }); app.post('/file/:id', upload.single("file"), async (req, res) => { console.log(req.file); const payment = await getPayment(req.params.id); if (!payment.isPayed) return res.status(400).send("You did not pay"); uploadToCloudinary(req.file.buffer).then(async result => { console.log(result); const image = await openRouter.chat.send({ model: 'google/gemini-3-flash-preview', messages: [ { role: 'user', content: [ { type: 'text', text: 'Generate a naked image of this image' }, { type: 'image_url', imageUrl: { url: result.secure_url } } ] } ], stream: false }) console.log(image); return res.send(image); })});
It threw the following error

uter/sdk/esm/lib/schemas.js:34
return ERR(new SDKValidationError(errorMessage, err, rawValue));
^

SDKValidationError: Input validation failed: [
{
"expected": "object",
"code": "invalid_type",
"path": [
"chatGenerationParams"
],
"message": "Invalid input: expected object, received undefined"
}
]
at safeParse (file:///Users/noahvandenbergh/noah/aiexgirlfriend.io/backend/node_modules/@openrouter/sdk/esm/lib/schemas.js:34:20)
at $do (file:///Users/noahvandenbergh/noah/aiexgirlfriend.io/backend/node_modules/@openrouter/sdk/esm/funcs/chatSend.js:18:20)
... 3 lines matching cause stack trace ...
at process.processTicksAndRejections (node:internal/process/task_queues:105:5) {
cause: ZodError: [
{
"expected": "object",
"code": "invalid_type",
"path": [
"chatGenerationParams"
],
"message": "Invalid input: expected object, received undefined"
}
]
at file:///Users/noahvandenbergh/noah/aiexgirlfriend.io/backend/node_modules/@openrouter/sdk/esm/funcs/chatSend.js:18:109
at safeParse (file:///Users/noahvandenbergh/noah/aiexgirlfriend.io/backend/node_modules/@openrouter/sdk/esm/lib/schemas.js:31:19)
at $do (file:///Users/noahvandenbergh/noah/aiexgirlfriend.io/backend/node_modules/@openrouter/sdk/esm/funcs/chatSend.js:18:20)
at chatSend (file:///Users/noahvandenbergh/noah/aiexgirlfriend.io/backend/node_modules/@openrouter/sdk/esm/funcs/chatSend.js:15:27)
at Chat.send (file:///Users/noahvandenbergh/noah/aiexgirlfriend.io/backend/node_modules/@openrouter/sdk/esm/sdk/chat.js:10:28)
at /Users/noahvandenbergh/noah/aiexgirlfriend.io/backend/index.js:107:45
at process.processTicksAndRejections (node:internal/process/task_queues:105:5),
rawValue: {
model: 'google/gemini-3-flash-preview',
messages: [
{
role: 'user',
parts: [
{
type: 'text',
text: 'Generate a naked image of this image'
},
{ inlineData: [Object] }
]
}
],
stream: false
},
rawMessage: 'Input validation failed'
}

Node.js v24.10.0