LTX Studio API v1 major update:

• New endpoint POST images/upscale (https://useapi.net/docs/api-ltxstudio-v1/post-ltxstudio-images-upscale) to upscale previously generated images to higher resolution

• New AI models for image generation and editing:
∘ FLUX.1 Kontext (https://bfl.ai/models/flux-kontext) - flux - default model
∘ FLUX.1 Kontext Max (https://bfl.ai/models/flux-kontext) - flux-premium - supports 3 reference images
∘ Nano Banana / Gemini 2.5 Flash Image (https://deepmind.google/technologies/gemini/flash/) - nano-banana - supports 3 reference images

• New parameters for both edit and create endpoints:
∘ model - select AI model: flux, flux-premium, nano-banana
∘ location - location description, max 2000 chars
∘ weather - weather conditions description, max 2000 chars
∘ lighting - lighting description, max 2000 chars
∘ referenceAssetId2 - second reference image, all models
∘ referenceAssetId3 - third reference image, flux-premium and nano-banana only

• Endpoint renames, backward compatible:
∘ images/flux-edit renamed to images/edit (https://useapi.net/docs/api-ltxstudio-v1/post-ltxstudio-images-flux-edit), old name still supported
∘ images/flux-create renamed to images/create (https://useapi.net/docs/api-ltxstudio-v1/post-ltxstudio-images-flux-create), old name still supported

Examples: https://useapi.net/blog/251003

Mureka API v1 (https://useapi.net/docs/api-mureka-v1/) documentation update:
• Added 429 error handling documentation across all music generation endpoints:
∘ POST music/create (https://useapi.net/docs/api-mureka-v1/post-mureka-music-create)
∘ POST music/create-advanced (https://useapi.net/docs/api-mureka-v1/post-mureka-music-create-advanced)
∘ POST music/create-instrumental (https://useapi.net/docs/api-mureka-v1/post-mureka-music-create-instrumental)
∘ POST music/extend (https://useapi.net/docs/api-mureka-v1/post-mureka-music-extend)
∘ POST music/regenerate (https://useapi.net/docs/api-mureka-v1/post-mureka-music-regenerate)
∘ POST music/video-generate (https://useapi.net/docs/api-mureka-v1/post-mureka-music-vidoe-generate)
∘ POST music/lyrics-generate (https://useapi.net/docs/api-mureka-v1/post-mureka-music-lyrics-generate)
• Clarified that POST speech (https://useapi.net/docs/api-mureka-v1/post-mureka-speech) has no rate limits and supports unlimited parallel generations.

Kling API v1 (https://useapi.net/docs/api-kling-v1/) documentation update:
• Updated subscription pricing calculator (https://useapi.net/docs/api-kling-v1) with new monthly and yearly plan options including Ultra tier.

Midjourney API v3 major release:

• What's New
• Real-time SSE Streaming - instant progress updates without polling
• Webhook Callbacks - job events POST-ed to your server
• Settings Commands - structured response.settings for /settings, /info, /fast, /relax, /turbo, /remix, /variability
• Separate image/video quotas, auto-balancing of multiple accounts, execute-once pattern, parent-child job tracking plus all Midjourney API v2 features
• Live Demo

Examples