{ "openapi": "3.0.1", "info": { "title": "Substack Scraper: Posts, Full Text & Newsletter Subscribers", "description": "Scrape any Substack newsletter without login: posts with full text (Markdown, text or HTML), likes, comments, restacks, authors and tags, plus newsletter subscriber counts and paid plan prices. Keyword search and category leaderboards. $0.40 per 1,000 posts.", "version": "1.0", "x-build-id": "zXjARbBwitNyXgigp" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/best_apis~substack-scraper/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-best_apis-substack-scraper", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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/best_apis~substack-scraper/runs": { "post": { "operationId": "runs-sync-best_apis-substack-scraper", "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/best_apis~substack-scraper/run-sync": { "post": { "operationId": "run-sync-best_apis-substack-scraper", "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", "properties": { "newsletters": { "title": "Newsletters or post links", "type": "array", "description": "Substack newsletters by address (https://www.noahpinion.blog, https://name.substack.com), bare subdomain (noahpinion), custom domain or open.substack.com link. A post link (https://name.substack.com/p/slug) returns just that post. Leave everything empty for a demo run.", "items": { "type": "string" } }, "searchQueries": { "title": "Search Substack posts", "type": "array", "description": "Optional. Find posts across all of Substack by keyword (Substack's own search), e.g. \"ai agents\". Notes and comments are never returned.", "items": { "type": "string" } }, "categories": { "title": "Discover newsletters by category (leaderboards)", "type": "array", "description": "Optional. Pull the top newsletters of Substack category leaderboards, with subscriber counts and prices. Set Max posts per newsletter to 0 to get only the newsletter rows.", "items": { "type": "string", "enum": [ "technology", "business", "finance", "culture", "us-politics", "world-politics", "news", "science", "health", "crypto", "sports", "food", "music", "art", "fiction", "literature", "history", "education", "design", "travel", "parenting", "philosophy", "climate", "faith", "fashionandbeauty", "humor", "comics", "international", "health-politics", "film-and-tv", "home-garden", "games" ] } }, "leaderboard": { "title": "Leaderboard", "enum": [ "all", "paid" ], "type": "string", "description": "Which category leaderboard to read.", "default": "all" }, "maxNewslettersPerCategory": { "title": "Max newsletters per category", "minimum": 1, "maximum": 500, "type": "integer", "description": "Leaderboard positions to read per category (25 per page).", "default": 25 }, "maxPostsPerNewsletter": { "title": "Max posts per newsletter", "minimum": 0, "type": "integer", "description": "Newest (or top) posts first, paged through the full archive until this limit. 0 = newsletter info only.", "default": 20 }, "maxPostsPerSearch": { "title": "Max posts per search query", "minimum": 1, "type": "integer", "description": "Search results to keep per query.", "default": 50 }, "sort": { "title": "Post order", "enum": [ "new", "top" ], "type": "string", "description": "Order of each newsletter's archive.", "default": "new" }, "publishedAfter": { "title": "Published after", "type": "string", "description": "Optional. Only posts newer than this: a date (2026-01-01) or a relative time like \"24 hours\", \"7 days\", \"3 months\"." }, "audience": { "title": "Free or paid posts", "enum": [ "all", "free", "paid" ], "type": "string", "description": "Paid posts include only the public preview the newsletter shows to non-subscribers.", "default": "all" }, "contentFormat": { "title": "Post content format", "enum": [ "markdown", "text", "html", "none" ], "type": "string", "description": "Full body of free posts (and the free preview of paid posts).", "default": "markdown" }, "includeNewsletterInfo": { "title": "Include newsletter info rows", "type": "boolean", "description": "Add one row per newsletter: subscriber count, author, paid plan prices, language, launch date, logo. Category leaderboard rows are always included.", "default": true }, "maxItems": { "title": "Max rows in total", "minimum": 1, "type": "integer", "description": "Hard cap for the whole run, so cost stays predictable.", "default": 5000 } } }, "runsResponseSchema": { "type": "object", "properties": { "data": { "type": "object", "properties": { "id": { "type": "string" }, "actId": { "type": "string" }, "userId": { "type": "string" }, "startedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "finishedAt": { "type": "string", "format": "date-time", "example": "2025-01-08T00:00:00.000Z" }, "status": { "type": "string", "example": "READY" }, "meta": { "type": "object", "properties": { "origin": { "type": "string", "example": "API" }, "userAgent": { "type": "string" } } }, "stats": { "type": "object", "properties": { "inputBodyLen": { "type": "integer", "example": 2000 }, "rebootCount": { "type": "integer", "example": 0 }, "restartCount": { "type": "integer", "example": 0 }, "resurrectCount": { "type": "integer", "example": 0 }, "computeUnits": { "type": "integer", "example": 0 } } }, "options": { "type": "object", "properties": { "build": { "type": "string", "example": "latest" }, "timeoutSecs": { "type": "integer", "example": 300 }, "memoryMbytes": { "type": "integer", "example": 1024 }, "diskMbytes": { "type": "integer", "example": 2048 } } }, "buildId": { "type": "string" }, "defaultKeyValueStoreId": { "type": "string" }, "defaultDatasetId": { "type": "string" }, "defaultRequestQueueId": { "type": "string" }, "buildNumber": { "type": "string", "example": "1.0.0" }, "containerUrl": { "type": "string" }, "usage": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "integer", "example": 1 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 }, "PROXY_UNBLOCKER_UNITS": { "type": "integer", "example": 0 } } }, "usageTotalUsd": { "type": "number", "example": 0.00005 }, "usageUsd": { "type": "object", "properties": { "ACTOR_COMPUTE_UNITS": { "type": "integer", "example": 0 }, "DATASET_READS": { "type": "integer", "example": 0 }, "DATASET_WRITES": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_READS": { "type": "integer", "example": 0 }, "KEY_VALUE_STORE_WRITES": { "type": "number", "example": 0.00005 }, "KEY_VALUE_STORE_LISTS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_READS": { "type": "integer", "example": 0 }, "REQUEST_QUEUE_WRITES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_INTERNAL_GBYTES": { "type": "integer", "example": 0 }, "DATA_TRANSFER_EXTERNAL_GBYTES": { "type": "integer", "example": 0 }, "PROXY_RESIDENTIAL_TRANSFER_GBYTES": { "type": "integer", "example": 0 }, "PROXY_SERPS": { "type": "integer", "example": 0 }, "PROXY_UNBLOCKER_UNITS": { "type": "integer", "example": 0 } } } } } } } } } }