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107 lines
4.2 KiB
Markdown
107 lines
4.2 KiB
Markdown
# Coupang
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**Mode**: 🔐 Browser · **Domain**: `coupang.com`
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## Commands
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| Command | Description |
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|---------|-------------|
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| `opencli coupang search` | Search Coupang products with logged-in browser session |
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| `opencli coupang product` | Read full product detail (price, rating, seller, delivery) for a product ID |
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| `opencli coupang add-to-cart` | Add a product to the logged-in account's shopping cart |
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## Usage Examples
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```bash
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# List rocket-shipping mice (rank, product_id, title, price, rating, ...)
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opencli coupang search "마우스" --filter rocket --limit 10
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# Round-trip: pick a product_id from search and pull full detail
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opencli coupang product 7654321
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# Pass a full product URL instead of an ID
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opencli coupang product --url https://www.coupang.com/vp/products/7654321
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# JSON output (any subcommand)
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opencli coupang product 7654321 -f json
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# Add to cart (write — must be logged in)
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opencli coupang add-to-cart 7654321
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```
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## Output
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### `search`
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| Column | Type | Notes |
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|--------|------|-------|
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| `rank` | int | 1-based position within this query / page |
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| `product_id` | string | Numeric Coupang product id; round-trips into `coupang product` |
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| `title` | string | Product display name |
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| `price` | int \| null | Current selling price (KRW) |
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| `unit_price` | string | Per-unit price label, e.g. `(100ml당 1,200원)` |
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| `rating` | float \| null | Average star rating |
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| `review_count` | int \| null | Number of reviews |
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| `rocket` | string | Coupang-rocket badge label (`로켓배송` / `로켓와우` / etc.) — empty string if no badge |
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| `delivery_type` | string | `무료배송` / `일반배송` / empty |
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| `delivery_promise` | string | `오늘도착` / `내일도착` / `새벽도착` / empty |
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| `url` | string | Canonical product URL |
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### `product`
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Always returns a single row (or throws):
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| Column | Type | Notes |
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|--------|------|-------|
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| `product_id` | string | Numeric Coupang product id, normalised from input |
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| `title` | string \| null | Product display name; `null` if upstream did not provide |
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| `price` | int \| null | Current selling price (KRW) |
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| `original_price` | int \| null | Pre-discount price |
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| `discount_rate` | int \| null | Discount percent |
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| `rating` | float \| null | Average star rating |
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| `review_count` | int \| null | Number of reviews |
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| `seller` | string \| null | Vendor / seller name |
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| `brand` | string \| null | Brand label (when listed) |
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| `rocket` | string \| null | Coupang-rocket type label |
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| `delivery_promise` | string \| null | Arrival-window label |
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| `image_url` | string \| null | Primary product image |
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| `url` | string | Canonical product URL |
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`null` semantics: a `null` field means upstream did not expose that field on
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this product (e.g. some items have no `original_price`). Failures (login wall,
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page mismatch, page failed to render) raise typed errors instead of silently
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returning empty rows — callers should treat any returned row as real data.
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### `add-to-cart`
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| Column | Type | Notes |
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|--------|------|-------|
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| `ok` | bool | Always `true` on success (failures throw) |
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| `product_id` | string | Coupang product id added |
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| `url` | string | Canonical product URL |
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| `message` | string | `Added to cart` |
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## Validation (no silent clamp)
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`search --limit` must be `1..50`; out-of-range values throw `ArgumentError`
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(no silent clamp to 50). `search --page` must be a positive integer. `search
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--filter` currently only accepts `rocket`; any other value throws
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`ArgumentError` rather than being silently dropped during DOM lookup.
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## Prerequisites
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- Chrome running and **logged into** coupang.com
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- [Browser Bridge extension](/guide/browser-bridge) installed
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## Notes
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- `search` and `product` use the logged-in browser session because Coupang's
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`/np/search` JSON endpoint and product pages serve different (and often
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empty) responses to anonymous traffic.
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- `product`'s extractor tries three sources in order: JSON-LD Product schema,
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`window.__INITIAL_STATE__` / `__NEXT_DATA__` bootstrap globals, and finally
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a DOM fallback. The merged result is what's returned.
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- Authentication failures raise `AuthRequiredError`; missing/empty results
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raise `EmptyResultError` with a helpful hint. No command silently returns
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`[]` when login is the actual reason.
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