{
  "openapi": "3.0.1",
  "info": {
    "title": "Substack Scraper (Posts, Full Text, Paywall Status, Comments)",
    "description": "Scrape any Substack publication's full archive: posts as Markdown/HTML, paywall status, likes, comments, tags, podcasts, profile. Substack has no public read API; this is the alternative. No login, no proxies. Pay per post.",
    "version": "0.1",
    "x-build-id": "rMJLCdaun5P3dr9YX"
  },
  "servers": [
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  ],
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        "tags": [
          "Run Actor"
        ],
        "requestBody": {
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          }
        ],
        "responses": {
          "200": {
            "description": "OK"
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    },
    "/acts/agentbuilt~substack-scraper/runs": {
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        "operationId": "runs-sync-agentbuilt-substack-scraper",
        "x-openai-isConsequential": false,
        "summary": "Executes an Actor and returns information about the initiated run in response.",
        "tags": [
          "Run Actor"
        ],
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          "content": {
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        },
        "parameters": [
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            "in": "query",
            "required": true,
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          }
        ],
        "responses": {
          "200": {
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            "content": {
              "application/json": {
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              }
            }
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      }
    },
    "/acts/agentbuilt~substack-scraper/run-sync": {
      "post": {
        "operationId": "run-sync-agentbuilt-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": {
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  },
  "components": {
    "schemas": {
      "inputSchema": {
        "type": "object",
        "required": [
          "publicationUrls"
        ],
        "properties": {
          "publicationUrls": {
            "title": "Publication URLs",
            "type": "array",
            "description": "Substack publication home URLs (e.g. https://www.lennysnewsletter.com or https://name.substack.com). Custom domains work.",
            "default": [
              "https://www.lennysnewsletter.com"
            ],
            "items": {
              "type": "string"
            }
          },
          "maxPostsPerPublication": {
            "title": "Max posts per publication",
            "minimum": 1,
            "maximum": 10000,
            "type": "integer",
            "description": "Newest first. Use a large number to fetch the whole archive.",
            "default": 50
          },
          "sort": {
            "title": "Sort order",
            "enum": [
              "new",
              "top"
            ],
            "type": "string",
            "description": "Newest first (recommended) or Substack's \"top\" ranking.",
            "default": "new"
          },
          "publishedAfter": {
            "title": "Only posts published after (ISO date)",
            "type": "string",
            "description": "e.g. 2026-01-01. Stops paging once older posts are reached (only with sort = new)."
          },
          "includeBody": {
            "title": "Include full post text",
            "type": "boolean",
            "description": "Adds bodyMarkdown and bodyHtml. Paywalled posts return the free preview only.",
            "default": true
          },
          "includeComments": {
            "title": "Include comments",
            "type": "boolean",
            "description": "Fetches all comments per post (extra request per post; charged per comment).",
            "default": false
          },
          "includePublicationProfile": {
            "title": "Include publication profile item",
            "type": "boolean",
            "description": "Emits one item per publication with name, description, author, subscriber tier info and links.",
            "default": true
          },
          "proxyConfiguration": {
            "title": "Proxy configuration",
            "type": "object",
            "description": "Usually not needed. Substack's public API is unprotected; use datacenter proxies only for very large runs.",
            "default": {
              "useApifyProxy": false
            }
          }
        }
      },
      "runsResponseSchema": {
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        "properties": {
          "data": {
            "type": "object",
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                "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"
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              "containerUrl": {
                "type": "string"
              },
              "usage": {
                "type": "object",
                "properties": {
                  "ACTOR_COMPUTE_UNITS": {
                    "type": "integer",
                    "example": 0
                  },
                  "DATASET_READS": {
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                    "example": 0
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                  "DATASET_WRITES": {
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                  },
                  "KEY_VALUE_STORE_READS": {
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                  },
                  "DATA_TRANSFER_INTERNAL_GBYTES": {
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                  },
                  "DATA_TRANSFER_EXTERNAL_GBYTES": {
                    "type": "integer",
                    "example": 0
                  },
                  "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
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                  },
                  "PROXY_SERPS": {
                    "type": "integer",
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                }
              },
              "usageTotalUsd": {
                "type": "number",
                "example": 0.00005
              },
              "usageUsd": {
                "type": "object",
                "properties": {
                  "ACTOR_COMPUTE_UNITS": {
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                  },
                  "DATASET_READS": {
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