{ "openapi": "3.0.1", "info": { "title": "AI Image Upscaler 4x: Upscale Images to 4K & 8K in Bulk", "description": "AI image upscaler and photo enhancer: upscale images 4x to high resolution 4K and 8K, up to 8192 px. Bulk AI upscaling and super resolution from image URLs: JPG, PNG, WebP, BMP, GIF, TIFF in; PNG, JPG or WebP out. Transparency kept. About $0.004 per 1 MP photo.", "version": "0.1", "x-build-id": "dwjBqnsFKICx01MF4" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/deapi~image-upscaler-4x/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-deapi-image-upscaler-4x", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } }, "/acts/deapi~image-upscaler-4x/runs": { "post": { "operationId": "runs-sync-deapi-image-upscaler-4x", "x-openai-isConsequential": false, "summary": "Executes an Actor and returns information about the initiated run in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK", "content": { "application/json": { "schema": { "$ref": "#/components/schemas/runsResponseSchema" } } } } } } }, "/acts/deapi~image-upscaler-4x/run-sync": { "post": { "operationId": "run-sync-deapi-image-upscaler-4x", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } } }, "components": { "schemas": { "inputSchema": { "type": "object", "required": [ "imageUrls" ], "properties": { "imageUrls": { "title": "Image URLs", "type": "array", "description": "Direct links to the images to upscale — each link must open the picture itself, without a login. **Formats: JPG/JPEG, PNG (transparency kept), WebP, BMP, GIF (first frame) and TIFF**, up to **25 MB** and **40 megapixels** per file (16 MP for transparent images), at least 16 px on a side. Every image is enlarged **4x in width and height** (16x the pixels): 512 x 512 becomes 2048 x 2048, 1024 x 768 becomes 4096 x 3072, 1920 x 1080 becomes 7680 x 4320. The largest output is **8192 px** on a side and about 58.7 megapixels, so pictures over 2048 px on a side or 3.67 MP are first scaled down to that size, keeping their proportions (transparent pictures: 2.1 MP for PNG output, 0.7 MP for WebP output). Pictures under 128 px are upscaled too. Plain strings or objects with a `url` field both work. **Free plan: 10 images per run and 20 per calendar month (resets 00:00 UTC on the 1st), within a daily capacity shared by all free users. Paid plans remove the free-plan limits.**", "items": { "type": "string" } }, "outputFormat": { "title": "Output format", "enum": [ "png", "webp", "jpg" ], "type": "string", "description": "File format of the upscaled images. **PNG** is lossless and keeps transparency — best for graphics, logos, screenshots, illustrations and print. **WebP** keeps transparency in files several times smaller — best for websites and online shops (transparent WebP output is limited to 0.7 MP before upscaling). **JPG** gives the smallest files for photos; transparent areas become white. PNG costs more: its files are about six times larger to store, so it adds a per-pixel surcharge.", "default": "jpg" }, "maxConcurrency": { "title": "Images in parallel", "minimum": 1, "maximum": 10, "type": "integer", "description": "How many images are processed at the same time. 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