> ## Documentation Index > Fetch the complete documentation index at: https://docs.neynar.com/llms.txt > Use this file to discover all available pages before exploring further. # Generate an NFT image > Generate a new image or edit existing images using AI. Returns a publicly accessible URL to the generated image. ### Related docs: [Managing Onchain Wallets](/docs/managing-onchain-wallets) ## Node.js SDK 🔗 **SDK Method:** [generateImage](/nodejs-sdk/onchain-apis/generateImage) Use this API endpoint with the Neynar Node.js SDK for typed responses and better developer experience. ## OpenAPI ````yaml post /v2/farcaster/nft/image/ openapi: 3.0.4 info: contact: email: team@neynar.com name: Neynar url: https://neynar.com/ description: >- The Neynar API allows you to interact with the Farcaster protocol among other things. See the [Neynar docs](https://docs.neynar.com/reference) for more details. title: Neynar API version: 3.173.0 servers: - url: https://api.neynar.com security: - ApiKeyAuth: [] tags: - description: Operations related to user externalDocs: description: More info about user url: https://docs.neynar.com/reference/user-operations name: User - description: Operations related to signer externalDocs: description: More info about signer url: https://docs.neynar.com/reference/signer-operations name: Signer - description: Operations related to cast externalDocs: description: More info about cast url: https://docs.neynar.com/reference/cast-operations name: Cast - description: Operations related to feed externalDocs: description: More info about feed url: https://docs.neynar.com/reference/feed-operations name: Feed - description: Operations related to reaction externalDocs: description: More info about reaction url: https://docs.neynar.com/reference/reaction-operations name: Reaction - description: Operations related to notifications externalDocs: description: More info about notifications url: https://docs.neynar.com/reference/notifications-operations name: Notifications - description: Operations related to channels externalDocs: description: More info about channels url: https://docs.neynar.com/reference/channel-operations name: Channel - description: Operations related to follows externalDocs: description: More info about follows url: https://docs.neynar.com/reference/follows-operations name: Follows - description: Operations related to storage externalDocs: description: More info about storage url: https://docs.neynar.com/reference/storage-operations name: Storage - description: Operations related to mini apps name: Frame - description: Operations for building AI agents name: Agents - description: Operations related to fname name: fname - description: Operations related to a webhook name: Webhook - description: >- Securely communicate and perform actions on behalf of users across different apps externalDocs: description: More info about farcaster actions url: https://docs.neynar.com/docs/farcaster-actions-spec name: Action - description: Operations related to a subscriptions name: Subscribers - description: Operations related to a mute name: Mute - description: Operations related to a block name: Block - description: Operations related to a ban name: Ban - description: Operations related to onchain data name: Onchain - description: Operations related to login name: Login - description: Operations related to retrieving metrics name: Metrics - description: Operations related to mini app host notifications externalDocs: description: More info about mini app host notifications url: https://docs.neynar.com/docs/app-host-notifications name: App Host paths: /v2/farcaster/nft/image/: post: tags: - Onchain summary: Generate an NFT image description: >- Generate a new image or edit existing images using AI. Returns a publicly accessible URL to the generated image. operationId: generate-image parameters: - $ref: '#/components/parameters/WalletIdHeader' requestBody: content: application/json: schema: properties: format: default: png description: 'Output image format (default: png)' enum: - png - jpeg - webp type: string height: default: 1024 description: 'Output image height in pixels (default: 1024)' maximum: 4096 minimum: 1 type: integer high_fidelity: default: false description: >- Use the high-fidelity model (slower but more detailed). Default: false. type: boolean prompt: description: Text prompt describing the image to generate minLength: 1 type: string source_image_urls: description: >- Optional array of source image URLs to edit or use as reference (max 5) items: format: uri type: string maxItems: 5 type: array width: default: 1024 description: 'Output image width in pixels (default: 1024)' maximum: 4096 minimum: 1 type: integer required: - prompt type: object required: true responses: '200': content: application/json: schema: properties: image_url: format: uri type: string required: - image_url type: object description: Success '400': content: application/json: schema: $ref: '#/components/schemas/ErrorRes' description: Bad Request '403': content: application/json: schema: $ref: '#/components/schemas/ErrorRes' description: Forbidden '404': content: application/json: schema: $ref: '#/components/schemas/ErrorRes' description: Resource not found '500': content: application/json: schema: $ref: '#/components/schemas/ErrorRes' description: Server Error externalDocs: url: https://docs.neynar.com/reference/generate-image components: parameters: WalletIdHeader: description: Wallet ID to use for transactions in: header name: x-wallet-id required: true schema: type: string x-is-global-header: true schemas: ErrorRes: description: Details for the error response properties: code: type: string message: type: string property: type: string status: format: int32 type: integer required: - message title: ErrorRes type: object securitySchemes: ApiKeyAuth: description: API key to authorize requests in: header name: x-api-key type: apiKey x-default: NEYNAR_API_DOCS ````