MiniMax H3 Image API

# Text-to-image — create returns a taskId, then poll for the result.
curl -X POST https://api.apimodels.app/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "minimax-h3-image",
    "prompt": "A cozy cafe counter at golden hour, a ceramic latte cup with leaf latte art and rising steam, a croissant on a small plate, warm window light, shallow depth of field, film grain",
    "resolution": "1K",
    "aspect_ratio": "16:9",
    "n": 2
  }'
# → { "code": 200, "data": { "taskId": "...", "state": "pending", "model": "minimax-h3-image" } }

curl "https://api.apimodels.app/v1/images/generations?task_id=TASK_ID" \
  -H "Authorization: Bearer YOUR_API_KEY"
# → { "code": 200, "data": { "state": "completed", "resultUrls": ["https://r2.apimodels.app/...", "https://r2.apimodels.app/..."] } }

# Edit / combine — 1 to 16 reference images (+$0.01 each, +$0.015 on Highspeed).
curl -X POST https://api.apimodels.app/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "minimax-h3-image",
    "prompt": "Replace the croissant on the plate with a slice of strawberry cheesecake. Keep the cup, saucer, latte art, steam, table, window light and everything else exactly the same.",
    "image": "https://example.com/cafe.jpg",
    "resolution": "1K",
    "aspect_ratio": "16:9"
  }'

# Several references — refer to them as image 1, image 2 in the prompt.
curl -X POST https://api.apimodels.app/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "minimax-h3-image",
    "prompt": "put the vase from image 2 on the table in image 1; keep the room, furniture and lighting unchanged",
    "images": ["https://example.com/dining-room.jpg", "https://example.com/vase.png"]
  }'

# One call: an exact WIDTHxHEIGHT size and no callback_url — the images come back in this response.
curl -X POST https://api.apimodels.app/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "minimax-h3-image-highspeed",
    "prompt": "A minimalist jazz night poster: a deep blue background, a gold trumpet silhouette, the headline \"BLUE NOTE FRIDAY\" in large elegant serif letters, and a smaller line \"Live at The Lantern Room - 9 PM\" at the bottom",
    "size": "2720x1536",
    "response_format": "url"
  }'
# → { "created": ..., "data": [{ "url": "https://r2.apimodels.app/...", "width": 2720, "height": 1536 }], "size": "2720x1536" }