GPT Image 2.5 Sunburst Selection & API Guide

Choosing a provider

Choose resolution and quality before comparing prices. Uniform-quality prices apply only to the settings documented by the provider.

Confirm model aliases in each provider’s documentation; a similar alias is not proof of upstream identity. Samples are references, and results depend on prompts, settings and providers.

Verified 1K prices · Medium

See the price page for purchase conditions and complete specifications

Connect to ImgAPI

Set IMGAPI_CARD_KEY on the server. The example generates one 1K image and returns image URLs; ImgAPI bills the request.

curl --fail-with-body --max-time 300 \
  'https://imgapi.vip/prod-api/v1/images/generations' \
  -H "Authorization: Bearer $IMGAPI_CARD_KEY" \
  -H 'Content-Type: application/json' \
  --data '{
  "model": "gpt-image-2.5-sunburst",
  "prompt": "A flower shop after rain.",
  "size": "1024x1024",
  "quality": "medium",
  "n": 1,
  "response_format": "url"
}'

ImgAPI documentation

Provider addresses and protocols

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For compatible synchronous APIs, replace the base URL, key and provider model alias, then verify size, quality and response format. Asynchronous APIs require submitting a job and querying its result.

Troubleshooting

401: check the key. 403: check permissions. 404: check endpoint and model alias. 429: check credits and rate limits. Check provider records after a timeout or unclear response before submitting again.