{ "openapi": "3.0.1", "info": { "title": "Mercari Japan Scraper: New Listings & Sold Prices", "description": "Mercari Japan scraper and sold items tracker: search by keyword or URL for JPY price, condition, brand, status and seller type. Sold items by keyword, sold price comps, new listings and a price drop alert for camera lenses or any search. To Google Sheets or n8n. No login. Pay per listing.", "version": "1.0", "x-build-id": "fzsMDbk84KhdB4NrU" }, "servers": [ { "url": "https://api.apify.com/v2" } ], "paths": { "/acts/accountable_eel~mercari-jp-listing-lookup/run-sync-get-dataset-items": { "post": { "operationId": "run-sync-get-dataset-items-accountable_eel-mercari-jp-listing-lookup", "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": { "$ref": "#/components/schemas/inputSchema" } } } }, "parameters": [ { "name": "token", "in": "query", "required": true, "schema": { "type": "string" }, "description": "Enter your Apify token here" } ], "responses": { "200": { "description": "OK" } } } }, "/acts/accountable_eel~mercari-jp-listing-lookup/runs": { "post": { "operationId": "runs-sync-accountable_eel-mercari-jp-listing-lookup", "x-openai-isConsequential": false, "summary": "Executes an Actor and returns information about the initiated run in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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": { "$ref": "#/components/schemas/runsResponseSchema" } } } } } } }, "/acts/accountable_eel~mercari-jp-listing-lookup/run-sync": { "post": { "operationId": "run-sync-accountable_eel-mercari-jp-listing-lookup", "x-openai-isConsequential": false, "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.", "tags": [ "Run Actor" ], "requestBody": { "required": true, "content": { "application/json": { "schema": { "$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": [ "searches" ], "properties": { "searches": { "title": "Mercari Japan searches to run (keywords, or a pasted search URL)", "type": "array", "description": "One search per line: keywords like \"ポケモンカード\" or \"nintendo switch\", or paste a jp.mercari.com search URL (its own filters for status, sort, condition, category, brand and price are kept). Accepted formats: ポケモンカード, nintendo switch, https://jp.mercari.com/search?keyword=iphone&status=sold_out%7Ctrading. You're only charged for the ones we actually find — a miss costs nothing.", "items": { "type": "string" } }, "maxListingsPerSearch": { "title": "Most listings to return per search", "type": "integer", "description": "Mercari returns 120 listings per request; this actor pages automatically above that, up to 1000 per search. You pay per listing returned, so this is also your budget control.", "default": 100 }, "includeSoldComps": { "title": "Include sold comps and a sold-price summary", "type": "boolean", "description": "Off by default. When on, this search also fetches Mercari's sold listings for the same keywords and filters, returns each sold comp as an ordinary listing row (listingStatus sold_out, soldPrice), and adds a summary to the search row: activeCount, soldCount, compsWindowDays, activeMedianPrice, soldMedianPrice, askVsSoldGapPct, medianDaysToSell. All prices are in Japanese yen (JPY), not converted. Sold comps are billed as ordinary listings — see \"Sold comps\" in the README.", "default": false }, "maxSoldComps": { "title": "Max sold comps to fetch", "type": "integer", "description": "Only used when \"Include sold comps\" is on. Caps how many sold listings this search fetches for comps, most recently sold first. Max 200.", "default": 50 }, "listingType": { "title": "Listing type", "enum": [ "active", "sold", "all" ], "type": "string", "description": "On sale now: listings you can still buy. Sold: items that already sold (or are mid-transaction), most recently sold first, with the price they sold at: the comps feed for resellers. Both: no status filter.", "default": "active" }, "sort": { "title": "Sort", "enum": [ "newest", "price_low", "price_high", "most_liked", "relevance" ], "type": "string", "description": "Mercari's own sort orders. Keep \"Newest first\" for monitoring. Sold searches are re-sorted by sold time after fetching.", "default": "newest" }, "condition": { "title": "Condition (this or better)", "enum": [ "any", "new", "like_new", "good", "fair", "poor" ], "type": "string", "description": "Uses Mercari's own six condition grades. Picking one returns that grade and every better one.", "default": "any" }, "categoryId": { "title": "Category ID (optional)", "type": "string", "description": "Optional. One or more Mercari category IDs, comma-separated (the number after category_id= in a jp.mercari.com search URL, e.g. 1289 for Pokémon cards). Leave empty for all categories.", "default": "" }, "brand": { "title": "Brand (optional)", "type": "string", "description": "Optional. A Mercari brand ID (the number after brand_id= in a search URL) is sent to Mercari as a filter. A brand name (e.g. \"Canon\") instead keeps only listings whose brand contains it.", "default": "" }, "conditions": { "title": "Conditions to keep (optional)", "type": "array", "description": "Optional. One per line: new_with_tags, new, like_new, good, fair, unknown. Leave empty to keep every condition. Mercari's own 6 grades collapse into these (docs/marketplace-filters.md): 1 new, 2 like_new, 3 good, 4/5/6 (some scratches to poor overall) all map to fair — lossy on purpose, there is no grade below fair in this scheme. Mercari has no with-tags grade at all, so new_with_tags never matches a real listing here. \"unknown\" means Mercari published no grade for that listing. An unrecognized value clears this filter for the run (a warning is logged) rather than failing it. Combines with the classic \"Condition (this or better)\" filter below if you set both.", "items": { "type": "string" } }, "brands": { "title": "Brands to filter by (optional)", "type": "array", "description": "Optional. One brand name per line (e.g. \"Supreme\", \"Nintendo\"), matched against Mercari's own ~52,000-brand list: an exact match (case/punctuation-insensitive) or an obvious spelling fix is resolved to Mercari's real brandId and sent to Mercari as its own filter; a name that doesn't match anything returns one free row naming the closest real brand names instead of silently searching without it. Different from the \"Brand\" field above, which takes a raw Mercari brand ID or does a simple contains-match on the brand column — this one is the resolved, exact filter.", "items": { "type": "string" } }, "minPrice": { "title": "Minimum price (JPY)", "type": "integer", "description": "Optional. Sent to Mercari as its own price filter. Leave empty for no minimum." }, "maxPrice": { "title": "Maximum price (JPY)", "type": "integer", "description": "Optional. Sent to Mercari as its own price filter. Leave empty for no maximum." }, "deltaMode": { "title": "Only return results that are new or dropped in price since the last run", "type": "boolean", "description": "Turns this actor into a monitor. A listing counts as new when its Mercari item ID hasn't been returned by a previous run of the same watchlist; a price drop counts when a previously-seen fixed-price listing's price has fallen (see \"Minimum price drop\" below). With \"Sold\" listing type, new means newly sold since the last run: a running sold-comps log. Already-reported listings are dropped before you're billed, so a run with nothing new costs only the run fee. The first run returns and remembers everything; from the second run on you get only what changed. Turn on \"Alert on gone listings\" to also get the listings that sold or were delisted since the last run (Mercari's own sale status is checked, up to 40 per search per run).", "default": false }, "deltaName": { "title": "Watchlist name (optional)", "type": "string", "description": "Leave empty and we derive one from this run's filters, so two schedules with different filters keep separate memories. Type your own name to keep one memory across a filter change, or to have two schedules share one.", "default": "" }, "alertOnNew": { "title": "Alert on new listings", "type": "boolean", "description": "Part of \"Alert on\" (split into two checkboxes so the Console can render it as a plain toggle pair). On by default.", "default": true }, "alertOnPriceDrop": { "title": "Alert on price drops", "type": "boolean", "description": "Part of \"Alert on\". On by default.", "default": true }, "alertOnGone": { "title": "Alert on gone listings (sold or delisted)", "type": "boolean", "description": "Off by default. On: listings that left Mercari's on-sale results since the last run come back as rows with changeType \"gone\", billed as ordinary listing rows (no separate event), with soldConfirmed from Mercari's own item status (true sold, false deleted or paused). Gone means delisted: most often sold, sometimes withdrawn. Gone listings are always counted for the sell-through rate, even with this off. Needs \"On sale now\" and \"Newest first\".", "default": false }, "minPriceDropPct": { "title": "Minimum price drop to alert on (%)", "type": "integer", "description": "Only fixed-price listings count: auction bids and sold items never fire a price drop. Default 5%.", "default": 5 }, "skipFirstRun": { "title": "Skip alerts on the first run", "type": "boolean", "description": "On: the run that first starts a watchlist banks every listing silently — no rows, no charge — instead of reporting everything that already existed as \"new\". Off (default): the first run returns everything it finds, all marked new.", "default": false }, "includeSellerInfo": { "title": "Include raw seller ID", "type": "boolean", "description": "Off by default. On: adds the seller's raw Mercari user ID to every row, in addition to the always-on anonymous seller hash. Mercari's search results carry no seller name, phone or email, and none is ever collected. Turning this on makes you responsible for having a lawful reason to process that personal data.", "default": false }, "testRun": { "title": "Try it first — only process the first 5", "type": "boolean", "description": "Turn this on to test your input on a small sample before running the full list. Turn it off to process everything.", "default": false }, "onlyFound": { "title": "Hide rows with no result", "type": "boolean", "description": "Only keep rows where something was actually found. Misses are always free, whether or not you show them here.", "default": false }, "includeKeywords": { "title": "Title must contain (optional)", "type": "array", "description": "Optional. Mercari's search API returns no description field, so this matches the title only. One word or phrase per line; a listing is kept if it mentions at least one. Leave empty to keep everything.", "items": { "type": "string" } }, "excludeKeywords": { "title": "Title must not contain (optional)", "type": "array", "description": "Optional. Mercari's search API returns no description field, so this matches the title only. One word or phrase per line; a listing is dropped if it mentions any. Leave empty to skip nothing.", "items": { "type": "string" } }, "maxResults": { "title": "Stop after this many results", "minimum": 1, "type": "integer", "description": "Optional. Stop the run once this many results have been found — useful for a quick, cheap sample. Leave blank for no limit." }, "columns": { "title": "Which columns do you want?", "type": "array", "description": "Choose which pieces of information to include in each result row. All are included by default.", "items": { "type": "string", "enum": [ "searchQuery", "listingType", "listingCount", "totalAvailable", "truncated", "newCount", "priceDropCount", "goneCount", "sellThroughRate", "medianPrice", "brandResolvedAs", "activeCount", "soldCount", "compsWindowDays", "activeMedianPrice", "soldMedianPrice", "askVsSoldGapPct", "medianDaysToSell", "listings", "listingId", "url", "title", "price", "currency", "soldPrice", "listingStatus", "statusValue", "conditionId", "conditionName", "conditionNameJa", "condition", "conditionRaw", "category", "brand", "sellerType", "shippingPaidBy", "isAuction", "auctionEndsAt", "postedAt", "listedAt", "updatedAt", "imageUrl", "sellerHash", "sellerId", "isNew", "changeType", "previousPrice", "priceDropPct", "firstSeenAt", "lastSeenAt", "daysListed", "lastPrice", "gonePresumedSold", "soldConfirmed" ], "enumTitles": [ "Search", "Listing type (active / sold / all)", "Listings returned", "Total matching on Mercari (capped at 15,000)", "More results were available", "New listings this run", "Price drops this run", "Gone since last run (sold or delisted; monitoring only)", "Sell-through rate, watchlist lifetime (0-1; monitoring only)", "Median price of the search, JPY (fixed-price listings; monitoring only)", "Brand filter resolved to (MKT-FILTERS \"brands\" input; empty when not set)", "Active listings counted in the comps summary (sold comps only)", "Sold listings counted in the comps summary (sold comps only)", "Span of the sold comps, oldest to newest last-status-change date, in days (sold comps only)", "Median asking price of fixed-price active listings, JPY (sold comps only)", "Median sold price, JPY (sold comps only)", "Asking vs. sold median price gap in % (sold comps only)", "Median days from posted to sold; always empty on Mercari, which publishes no sale date (sold comps only)", "All listings found (full list)", "Mercari item ID", "Listing link", "Title", "Price (JPY)", "Currency", "Sold price, JPY (sold listings only — Mercari is fixed-price, the price IS the sale price)", "Status (on_sale / trading / sold_out)", "Status (standard: available / reserved / sold)", "Condition ID (1 best to 6 worst)", "Condition", "Condition (Japanese)", "Condition (standard grade: new, like_new, good, fair, unknown — lossy on purpose, see help text)", "Condition, raw (Mercari's own id + Japanese label, verbatim)", "Category ID", "Brand", "Seller type (private / Mercari Shops business)", "Shipping paid by", "Auction listing", "Auction ends", "Listed at", "Listed at (standard column name, same value as \"Listed at\"/postedAt)", "Last updated (sold time for sold items)", "Image", "Seller (anonymous hash)", "Seller ID (only with seller info on)", "Is this listing new?", "Change (new / price-drop / gone / seen)", "Previous price (JPY)", "Price drop %", "First seen on a run", "Last seen on a run", "Days listed (first to last seen)", "Last price seen before it went, JPY (gone rows)", "Sold or presumed sold (gone rows)", "Sale confirmed by Mercari (true sold / false deleted or paused / empty unknown)" ] }, "default": [ "searchQuery", "listingType", "listingCount", "totalAvailable", "truncated", "newCount", "priceDropCount", "goneCount", "sellThroughRate", "medianPrice", "brandResolvedAs", "activeCount", "soldCount", "compsWindowDays", "activeMedianPrice", "soldMedianPrice", "askVsSoldGapPct", "medianDaysToSell", "listings", "listingId", "url", "title", "price", "currency", "soldPrice", "listingStatus", "statusValue", "conditionId", "conditionName", "conditionNameJa", "condition", "conditionRaw", "category", "brand", "sellerType", "shippingPaidBy", "isAuction", "auctionEndsAt", "postedAt", "listedAt", "updatedAt", "imageUrl", "sellerHash", "sellerId", "isNew", "changeType", "previousPrice", "priceDropPct", "firstSeenAt", "lastSeenAt", "daysListed", "lastPrice", "gonePresumedSold", "soldConfirmed" ] }, "expandRows": { "title": "One row per listing (recommended) — turn off for one row per search instead", "type": "boolean", "description": "When on, each listing found gets its own row instead of being grouped under its search. You're still only charged once per search, no matter how many rows it produces.", "default": true }, "maxConcurrency": { "title": "Max concurrency", "minimum": 1, "maximum": 20, "type": "integer", "description": "Parallel requests. Keep conservative — this target has no browser fallback, so getting blocked costs more than slow-and-steady.", "default": 5 }, "proxyConfiguration": { "title": "Proxy configuration", "type": "object", "description": "Apify Proxy config. Residential recommended for anti-bot-sensitive targets.", "default": { "useApifyProxy": true } } } }, "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 } } } } } } } } } }