Phota Text To Image API Documentation

Phota Text To Image API Documentation

Playground

Phota Text-to-Image generates high-quality personalized photographs from text prompts. Supports 1K and 4K resolutions, multiple aspect ratios, and batch generation up to 4 images. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Features

Phota Text-to-Image generates high-quality, photorealistic images directly from natural language descriptions. Describe your subject, scene, lighting, and style — the model produces detailed, visually rich results at up to 4K resolution, with flexible aspect ratio and output format control.

Why Choose This?

• Photorealistic image generation Produces richly detailed images with accurate composition, lighting, and texture from detailed text prompts.

• Up to 4K resolution Generate images at 1K or 4K for everything from social media to print-quality output.

• Flexible aspect ratio support Output in auto, 1:1, 16:9, 4:3, 3:4, or 9:16 to fit any platform or format.

• Multiple output formats Export in JPEG, PNG, or WebP for any downstream workflow.

• Batch generation Generate multiple image variations in a single run using the num_images parameter.

• Prompt Enhancer Built-in tool to automatically improve your text descriptions for richer results.

Parameters

How to Use

1. Write your prompt — describe the subject, scene, lighting, camera style, and mood in detail. Use the Prompt Enhancer for better results.
2. Select resolution — 1K for standard output, 4K for high-resolution results.
3. Set num_images (optional) — generate multiple variations in one run.
4. Choose aspect ratio — use auto or select a specific format for your target platform.
5. Choose output format — jpeg, png, or webp based on your delivery needs.
6. Submit — generate and download your images.

Pricing

Billing Rules

• 1K: $0.09 per image
• 4K: $0.18 per image (2× base price)
• Total cost = cost per image × num_images

Best Use Cases

• Marketing & Advertising — Produce on-brand campaign visuals at production-ready resolutions without a photoshoot.
• E-commerce — Generate product lifestyle imagery and scene compositions from text descriptions.
• Concept Art & Storyboarding — Rapidly visualize scenes, characters, and environments for pitching and review.
• Social Media Content — Create platform-optimized visuals across multiple aspect ratios in one workflow.
• Print & Editorial — Generate 4K-resolution imagery for magazines, posters, and print campaigns.

Pro Tips

• The more specific your prompt, the better — include camera angle, lighting quality, color palette, and subject detail.
• Use the Prompt Enhancer to expand a simple description into a richly detailed generation prompt.
• Generate 3–4 images at 1K to explore variations before committing to a 4K final render.
• Use PNG output for images with text overlays, sharp graphics, or lossless delivery requirements.
• Match aspect ratio to your platform: 16:9 for YouTube and banners, 9:16 for Reels and Stories, 1:1 for feeds.

Notes

• Only prompt is required; all other parameters are optional.
• Please ensure your content complies with WaveSpeed AI’s usage policies.

Related Models

• Phota Edit — Edit existing images with natural-language instructions.
• Phota Enhance — Restore and upscale images with AI-powered detail reconstruction.

Authentication

For authentication details, please refer to the Authentication Guide.

API Endpoints

Submit Task & Query Result

set -euo pipefail

export WAVESPEED_API_KEY="your-api-key"

REQUEST_BODY=$(cat <<'JSON'
{
  "prompt": "A cinematic ocean wave at sunrise, highly detailed",
  "resolution": "1K",
  "num_images": 1,
  "aspect_ratio": "auto",
  "output_format": "jpeg"
}
JSON
)

# 1. Submit the prediction.
SUBMIT_RESPONSE=$(curl --silent --show-error --fail-with-body \
  -X POST "https://api.wavespeed.ai/api/v3/wavespeed-ai/phota/text-to-image" \
  -H "Authorization: Bearer ${WAVESPEED_API_KEY}" \
  -H "Content-Type: application/json" \
  -d "${REQUEST_BODY}")

TASK=$(printf '%s' "${SUBMIT_RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
PREDICTION_ID=$(printf '%s' "${TASK}" | jq -r '.id // empty')
if [ -z "${PREDICTION_ID}" ]; then
  printf 'Submission response did not contain a prediction id
' >&2
  exit 1
fi
RESULT_URL=$(printf '%s' "${TASK}" | jq -r '.urls.get // empty')
if [ -z "${RESULT_URL}" ]; then RESULT_URL="https://api.wavespeed.ai/api/v3/predictions/${PREDICTION_ID}/result"; fi

# 2. Poll until the prediction finishes.
while true; do
  RESPONSE=$(curl --silent --show-error --fail-with-body \
    "${RESULT_URL}" \
    -H "Authorization: Bearer ${WAVESPEED_API_KEY}")
  RESULT=$(printf '%s' "${RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
  STATUS=$(printf '%s' "${RESULT}" | jq -r '.status // empty')

  case "${STATUS}" in
    completed) printf '%s\n' "${RESULT}" | jq '.outputs'; break ;;
    failed|cancelled|timeout) printf '%s\n' "${RESULT}" | jq . >&2; exit 1 ;;
    created|processing) sleep 2 ;;
    *) printf 'Unexpected status: %s
' "${STATUS}" >&2; exit 1 ;;
  esac
done

Parameters

Task Submission Parameters

Request Parameters

Response Parameters

Result Request Parameters

Result Response Parameters