> ## Documentation Index > Fetch the complete documentation index at: https://docs.mynth.io/llms.txt > Use this file to discover all available pages before exploring further. # Estimate Image Generation Cost ## OpenAPI ````yaml https://api.mynth.io/openapi.json post /image/generate/estimate openapi: 3.1.0 info: title: Mynth description: Mynth API version: 1.0.0 servers: [] security: [] paths: /image/generate/estimate: post: tags: - Image summary: Estimate Image Generation Cost operationId: postImageGenerateEstimate requestBody: required: true content: application/json: schema: type: object properties: prompt: type: string title: Prompt description: Positive prompt. examples: - Cute Cat maxLength: 8192 output: type: object properties: format: enum: - jpg - png - webp quality: type: number maximum: 100 minimum: 1 required: - format - quality default: format: webp quality: 80 model: anyOf: - const: alibaba/qwen-image-2.0 examples: - black-forest-labs/flux.2-pro - const: alibaba/qwen-image-2.0-pro examples: - black-forest-labs/flux.2-pro - const: auto title: Auto model selection description: Model is selected based on the prompt. examples: - black-forest-labs/flux.2-pro - const: black-forest-labs/flux-1-schnell examples: - black-forest-labs/flux.2-pro - const: black-forest-labs/flux-virtual-try-on examples: - black-forest-labs/flux.2-pro - const: black-forest-labs/flux.1-dev examples: - black-forest-labs/flux.2-pro - const: black-forest-labs/flux.2-dev examples: - black-forest-labs/flux.2-pro - const: black-forest-labs/flux.2-flex examples: - black-forest-labs/flux.2-pro - const: black-forest-labs/flux.2-klein-4b examples: - black-forest-labs/flux.2-pro - const: black-forest-labs/flux.2-max examples: - black-forest-labs/flux.2-pro - const: black-forest-labs/flux.2-pro examples: - black-forest-labs/flux.2-pro - const: bytedance/seedream-5.0-lite examples: - black-forest-labs/flux.2-pro - const: google/gemini-3-pro-image-preview examples: - black-forest-labs/flux.2-pro - const: google/gemini-3.1-flash-image examples: - black-forest-labs/flux.2-pro - const: google/gemini-3.1-flash-lite-image examples: - black-forest-labs/flux.2-pro - const: ideogram/remove-background examples: - black-forest-labs/flux.2-pro - const: imagineart/imagineart-1.5-pro examples: - black-forest-labs/flux.2-pro - const: imagineart/imagineart-2.0 examples: - black-forest-labs/flux.2-pro - const: john6666/bismuth-illustrious-mix examples: - black-forest-labs/flux.2-pro - const: klingai/kling-image-3.0 examples: - black-forest-labs/flux.2-pro - const: klingai/kling-image-o3 examples: - black-forest-labs/flux.2-pro - const: krea/krea-2-large examples: - black-forest-labs/flux.2-pro - const: krea/krea-2-medium examples: - black-forest-labs/flux.2-pro - const: krea/krea-2-turbo examples: - black-forest-labs/flux.2-pro - const: luma/uni-1 examples: - black-forest-labs/flux.2-pro - const: luma/uni-1-max examples: - black-forest-labs/flux.2-pro - const: openai/gpt-image-2 examples: - black-forest-labs/flux.2-pro - const: prunaai/p-image-try-on examples: - black-forest-labs/flux.2-pro - const: purplesmartai/pony-diffusion-v6-xl examples: - black-forest-labs/flux.2-pro - const: recraft/recraft-v4 examples: - black-forest-labs/flux.2-pro - const: recraft/recraft-v4-pro examples: - black-forest-labs/flux.2-pro - const: sourceful/riverflow-2.0-pro examples: - black-forest-labs/flux.2-pro - const: tongyi-mai/z-image examples: - black-forest-labs/flux.2-pro - const: tongyi-mai/z-image-turbo examples: - black-forest-labs/flux.2-pro - const: wan/wan2.6-image examples: - black-forest-labs/flux.2-pro - const: wan/wan2.7-image examples: - black-forest-labs/flux.2-pro - const: wan/wan2.7-image-pro examples: - black-forest-labs/flux.2-pro - const: xai/grok-imagine-image examples: - black-forest-labs/flux.2-pro - const: xai/grok-imagine-image-quality examples: - black-forest-labs/flux.2-pro examples: - black-forest-labs/flux.2-pro default: auto count: type: number maximum: 20 minimum: 1 default: 1 access: type: object description: >- Controls whether the create-task response should include a short-lived Public Access Token. That token can be passed to browser or client-side code for polling task status and task images without exposing your API key. properties: pat: type: object properties: enabled: type: boolean default: true required: - pat destination: type: string examples: - bunny-prod maxLength: 64 minLength: 1 inputs: type: array maxItems: 20 items: anyOf: - type: string maxLength: 2048 minLength: 1 - type: object properties: source: type: object properties: type: const: url url: type: string required: - type - url type: const: image as: enum: - auto - garment - person - pose - reference - source required: - source - type additionalProperties: false magic_prompt: const: true metadata: type: object negative_prompt: type: string maxLength: 8192 rating: anyOf: - type: object title: Custom Content Rating description: Content rating examples: - mode: custom levels: - value: <13 description: Safe for Children - value: <18 description: Safe for Teens - value: 18+ description: Adults Only properties: levels: type: array maxItems: 7 minItems: 2 items: type: object properties: description: type: string maxLength: 150 minLength: 1 value: type: string maxLength: 24 minLength: 1 required: - description - value mode: const: custom required: - levels - mode - type: object title: Default Content Rating (nsfw/sfw) description: Content rating examples: - mode: nsfw_sfw properties: mode: const: nsfw_sfw required: - mode - const: true size: anyOf: - type: object properties: aspectRatio: enum: - '16:9' - '1:1' - '1:2' - '21:9' - '2:1' - '2:3' - '3:2' - '3:4' - '4:3' - '4:5' - '5:4' - '9:16' type: const: aspect_ratio scale: enum: - 4k - base default: base required: - aspectRatio - type - type: object properties: type: const: auto required: - type - const: '16:9' - const: 16:9_4k - const: '1:1' - const: 1:1_4k - const: '1:2' - const: 1:2_4k - const: '21:9' - const: 21:9_4k - const: '2:1' - const: 2:1_4k - const: '2:3' - const: 2:3_4k - const: '3:2' - const: 3:2_4k - const: '3:4' - const: 3:4_4k - const: '4:3' - const: 4:3_4k - const: '4:5' - const: 4:5_4k - const: '5:4' - const: 5:4_4k - const: '9:16' - const: 9:16_4k - const: auto - const: landscape - const: landscape_wide - const: portrait - const: portrait_tall - const: square webhook: type: object properties: custom: type: array maxItems: 5 minItems: 1 items: type: object properties: url: type: string required: - url dashboard: const: false description: >- Disable dashboard-managed webhooks for this task. Request-level custom webhooks are still sent. required: - prompt additionalProperties: false responses: '200': description: Image generation request validated and cost estimated content: application/json: schema: type: object properties: data: type: object properties: currency: const: usd estimateKind: anyOf: - const: exact description: >- "exact" when the model is pinned; "upper_bound" for `model: "auto"`, which reserves a flat per-image ceiling until a concrete model is selected. - const: upper_bound description: >- "exact" when the model is pinned; "upper_bound" for `model: "auto"`, which reserves a flat per-image ceiling until a concrete model is selected. description: >- "exact" when the model is pinned; "upper_bound" for `model: "auto"`, which reserves a flat per-image ceiling until a concrete model is selected. estimatedCost: type: string description: >- Estimated cost in USD for the request. Nothing is generated or charged. examples: - '0.03' required: - currency - estimateKind - estimatedCost required: - data security: - apiKeyAuth: [] - oauthAuth: [] components: securitySchemes: apiKeyAuth: type: http scheme: bearer description: 'Mynth API key sent as `Authorization: Bearer `.' oauthAuth: type: http scheme: bearer bearerFormat: JWT description: 'OAuth access token sent as `Authorization: Bearer `.' ````