{ "openapi": "3.0.1", "info": { "title": "Polymarket vs Kalshi Matched Markets & Price Gaps", "description": "Finds the same question listed on both Polymarket and Kalshi - election odds, politics, crypto, sports - and reports both prices side by side with the gap and the cross-venue edge each way. Public APIs, no login. Matches are heuristic and carry a similarity score.", "version": "0.1", "x-build-id": "JRykKvJ0FrKzTgejM" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/literate_universe~polymarket-kalshi-matched-markets/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-literate_universe-polymarket-kalshi-matched-markets", "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": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } }, "/acts/literate_universe~polymarket-kalshi-matched-markets/runs": { "post": { "operationId": "runs-sync-literate_universe-polymarket-kalshi-matched-markets", "x-openai-isConsequential": false, "summary": "Executes an Actor and returns information about the initiated run in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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": { "$ref": "#/components/schemas/runsResponseSchema" } } } } } } }, "/acts/literate_universe~polymarket-kalshi-matched-markets/run-sync": { "post": { "operationId": "run-sync-literate_universe-polymarket-kalshi-matched-markets", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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": { "maxPolymarketMarkets": { "title": "Polymarket markets to scan", "minimum": 10, "maximum": 5000, "type": "integer", "description": "Top N active Polymarket markets by 24h volume to try to match.", "default": 300 }, "minPolymarketVolume24h": { "title": "Min Polymarket 24h volume (USD)", "minimum": 0, "type": "number", "description": "Ignore Polymarket markets with less than this much 24-hour volume in USD.", "default": 1000 }, "minSimilarity": { "title": "Min similarity (0-1)", "minimum": 0.1, "maximum": 1, "type": "number", "description": "Token-overlap threshold for a pair to count as a match. 0.5 is balanced, 0.7 is strict.", "default": 0.5 }, "maxDaysApart": { "title": "Max days between end dates", "minimum": 0, "maximum": 3650, "type": "integer", "description": "Pairs whose Polymarket end date and Kalshi close time differ by more than this are dropped. Different resolution windows are not the same market.", "default": 7 }, "kalshiCategory": { "title": "Kalshi category filter", "type": "string", "description": "Optional: only consider Kalshi markets in this category (Politics, Economics, Crypto, Sports, Financials, World, Entertainment, Climate and Weather)." }, "onlyWithEdge": { "title": "Only pairs with positive edge", "type": "boolean", "description": "Output only pairs where buying YES on one venue and selling on the other has a positive gross edge before fees.", "default": false }, "maxItems": { "title": "Max pairs", "minimum": 1, "maximum": 20000, "type": "integer", "description": "Stop after this many matched pairs.", "default": 500 } } }, "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 } } }, "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 } } } } } } } } } }