Fireworks yukataExample 01
nai-diffusion-4-5-curated
nai-diffusion-4-5-curated is available through TTAPI. Purpose-built illustration, manga, and character art with granular creative controls.
InputPrompttext
Models2available
FlowAsyncresult URL
Price8 quota/ image
Fireworks yukataExample 01
Silver-haired scholarExample 02
Pastel cat girlExample 03
Tidal-wave octopusExample 04Examples
Prompt to image, in context
Prompt
1girl, yukata, peace sign, fireworks, night, sparkles, watercolor, painterly, smile
Prompt
1girl, masterpiece, best quality, dynamic angle, close-up, long eyelashes, grey gradient hair, silver hair, ahoge, medium updo, thick eyebrows, hair between eyes, ponytail, pink blush, grey eyes, pink eyeshadow, smug, pink lips, glossy lips, short hair, white hair, messy hair, medium hair, ponytail, makeup, pink makeup, dark blue top, high ponytail, puffy hair, hair focus, very aesthetic, location, masterpiece, library background, location
Prompt
1girl, cat girl, topknot, light blue hair, orange eyes, skinny, freckles, black skirt, tan, red tank top, bar, bored, feet out of frame, traditional media, pastel (medium), depth of field, location
Prompt
solo, no humans, octopus, sunglasses, chibi, disgustingly adorable, lifebuoy, sun hat, tidal wave, traditional media, calligraphy brush (medium), no lineart, flat color, motion blur, from side, location
Prompt
1boy, high quality, {{masterpiece, very aesthetic}}, {traditional media}, dynamic pose, dynamic angle, glitter, handsome, male focus, broad shoulders, [smug, painterly], year 2020, broad shoulders, exquisite clothes, abstract background, royalty, beautiful young man, scepter, young, location
Prompt
1girl, best quality, firefly princess, castle background, dark, wing crown, dress flower, glowing, butterfly hair ornament, flowers, petals, artbook, muted colors, watercolor pencil (medium), red light, looking away, nose, location
Capabilities
What you can build with nai-diffusion-4-5-curated
Prompt driven generation
Submit a concise prompt and get production-ready image output through one TTAPI job.
Core controls only
Keep integration simple with prompt, model, output settings, and callback handling.
Async result flow
Use polling or webhook callbacks so long-running generations do not block your UI.
Ready for product UI
Return NovelAI results that can be displayed, stored, or passed into downstream workflows.
Pricing
Per-action, in quota
Usage is metered in quota by model, action, and output settings.
API request
Headers and submit parameters
Use the endpoint below with your TTAPI key and the request fields shown.
/novelai/text-to-imageSubmit a NovelAI text-to-image task.
Official reference/novelai/image-to-imageTransform a reference image with NovelAI.
Official reference/novelai/fetchRetrieve the generated NovelAI task result.
Official referenceHeaders
TT-API-KEYstringrequiredYour TTAPI API key.
Content-TypestringrequiredUse application/json.
Body
promptstringrequiredPositive illustration prompt.
modelenumrequirednai-diffusion-4-5-full or nai-diffusion-4-5-curated.
nintegeroptionalNumber of images to generate.
widthintegeroptionalOutput width in pixels.
heightintegeroptionalOutput height in pixels.
stepsintegeroptionalDiffusion step count.
scalenumberoptionalPrompt guidance scale.
negative_promptstringoptionalElements and qualities to avoid.
quality_togglebooleanoptionalEnable the documented quality preset.
samplerstringoptionalSampling algorithm.
noise_scheduleenumoptionalkarras, exponential, or polyexponential.
character_promptsobject[]optionalCharacter prompt and position definitions.
vibe_transferobject[]optionalAtmosphere reference images and strengths.
character_referenceobject[]optionalCharacter and style reference definitions.
hook_urlstringoptionalCallback URL for job completion.
Integrate
From key to first result
Copy the resolved endpoint, authentication headers, and request body for this model.
curl --request POST \
--url https://api.ttapi.io/novelai/text-to-image \
--header 'TT-API-KEY: $TTAPI_KEY' \
--header 'Content-Type: application/json' \
--data '{"prompt":"anime character portrait, detailed eyes","model":"nai-diffusion-4-5-curated","n":1,"width":1024,"height":1024,"steps":23,"scale":5,"quality_toggle":true,"sampler":"Euler Ancestral","noise_schedule":"karras","hook_url":"https://example.com/webhooks/novelai"}'
