> ## Documentation Index > Fetch the complete documentation index at: https://docs.alura.io/llms.txt > Use this file to discover all available pages before exploring further. # Find similar products > Finds Etsy products (other sellers' listings) like the given one: products whose titles and tags share its words rank first, and products in the same category rank higher. Returns product summaries with Alura's sales estimates, best match first; the product itself is never among them. Only active listings are returned; shops that opted out of Alura never appear. The totals stop counting at 10,000 and paging stops after 10,000 results. A product Alura has not seen is 404 `not_found` (nothing is fetched). Costs 10 API credits per page with results; an empty page is free. Cost: 10 API credits per page. ## OpenAPI ````yaml /openapi.json get /v1/research/products/{id}/similar openapi: 3.1.0 info: title: Alura API version: 1.0.0 description: Etsy market research for scripts and AI assistants. servers: - url: https://api.alura.io security: - apiKey: [] paths: /v1/research/products/{id}/similar: get: summary: Find similar products description: >- Finds Etsy products (other sellers' listings) like the given one: products whose titles and tags share its words rank first, and products in the same category rank higher. Returns product summaries with Alura's sales estimates, best match first; the product itself is never among them. Only active listings are returned; shops that opted out of Alura never appear. The totals stop counting at 10,000 and paging stops after 10,000 results. A product Alura has not seen is 404 `not_found` (nothing is fetched). Costs 10 API credits per page with results; an empty page is free. Cost: 10 API credits per page. operationId: research.products.similar parameters: - name: id in: path required: true schema: type: string pattern: ^[1-9][0-9]{0,19}$ description: Etsy listing ID. example: '4524717183' - name: limit in: query required: false description: 'Page size: default 25, at most 100.' schema: type: integer minimum: 1 maximum: 100 - name: cursor in: query required: false description: >- The `next_cursor` of the previous page. Bound to the query, the workspace and the key. schema: type: string - name: fields in: query required: false description: >- Comma-separated dotted paths to return; `id`, `object` and `as_of` always come back. schema: type: string responses: '200': description: OK headers: Request-Id: $ref: '#/components/headers/Request-Id' Alura-Credits-Cost: $ref: '#/components/headers/Alura-Credits-Cost' Alura-Credits-Remaining: $ref: '#/components/headers/Alura-Credits-Remaining' content: application/json: schema: type: object properties: object: type: string const: list data: type: array items: type: object properties: object: type: string const: research.product id: type: string description: Etsy ID, as a string. title: type: - string - 'null' url: type: string description: The listing on Etsy. shop: type: object properties: id: type: string description: Etsy ID, as a string. name: type: - string - 'null' required: - id - name additionalProperties: false price: anyOf: - type: object properties: amount: type: string description: >- Decimal string in the listing's own currency. currency: type: string description: ISO 4217 code. usd: description: >- The same price in USD, as a decimal string; null when no exchange rate is known. type: - string - 'null' required: - amount - currency - usd additionalProperties: false description: The listing's current price. - type: 'null' image_url: description: The primary image (570px wide). type: - string - 'null' category: anyOf: - type: object properties: id: anyOf: - type: string description: Etsy ID, as a string. - type: 'null' path: type: array items: type: string required: - id - path additionalProperties: false - type: 'null' sales: type: object properties: est_lifetime: type: - number - 'null' description: >- Estimate: see the methodology (version 2026-10) at https://docs.alura.io/methodology/sales-estimates. est_monthly_avg: type: - number - 'null' description: >- Estimate: see the methodology (version 2026-10) at https://docs.alura.io/methodology/sales-estimates. est_lifetime_revenue_usd: type: - number - 'null' description: >- Estimate: see the methodology (version 2026-10) at https://docs.alura.io/methodology/sales-estimates. required: - est_lifetime - est_monthly_avg - est_lifetime_revenue_usd additionalProperties: false description: >- Estimates (methodology: https://docs.alura.io/methodology/sales-estimates). Revenue is valued at the current price. reviews: type: object properties: count: anyOf: - type: integer - type: 'null' average: description: null when there are no reviews. type: - number - 'null' required: - count - average additionalProperties: false favorites: anyOf: - type: integer - type: 'null' listing_score: anyOf: - type: integer - type: 'null' description: Alura's 0-100 listing score. listed_at: anyOf: - type: string description: ISO 8601, UTC. - type: 'null' as_of: anyOf: - type: string description: ISO 8601, UTC. - type: 'null' description: >- When this data was last updated. In search results: when Alura's search copy of the product was last synced (an approximation for older copies; null when unknown), which can differ from the product detail's `as_of`. In a bulk get by `ids`: the product detail's `as_of`. required: - object - id - title - url - shop - price - image_url - category - sales - reviews - favorites - listing_score - listed_at - as_of additionalProperties: false has_more: type: boolean next_cursor: type: - string - 'null' total: type: object properties: value: type: integer relation: type: string enum: - eq - gte required: - value - relation additionalProperties: false required: - object - data - has_more - next_cursor - total additionalProperties: false example: object: list data: - object: research.product id: '1587263044' title: Custom Name Coffee Mug, Personalized Gift Mug url: https://www.etsy.com/listing/1587263044 shop: id: '30577120' name: ClayAndName price: amount: '19.50' currency: USD usd: '19.50' image_url: >- https://i.etsystatic.com/30577120/r/il/7c8d9e/1587263044/il_570xN.1587263044_mug2.jpg category: id: '1062' path: - Home & Living - Kitchen & Dining - Drink & Barware - Drinkware - Mugs sales: est_lifetime: 2900 est_monthly_avg: 95 est_lifetime_revenue_usd: 56550 reviews: count: 410 average: 4.8 favorites: 1280 listing_score: 79 listed_at: '2024-01-18T15:42:00.000Z' as_of: '2026-10-12T21:14:00.000Z' - object: research.product id: '1349902215' title: Personalized Mug with Name, Birthday Gift url: https://www.etsy.com/listing/1349902215 shop: id: '22841907' name: GiftMugStudio price: amount: '22.00' currency: GBP usd: '28.60' image_url: >- https://i.etsystatic.com/22841907/r/il/3f4a5b/1349902215/il_570xN.1349902215_mug3.jpg category: id: '1062' path: - Home & Living - Kitchen & Dining - Drink & Barware - Drinkware - Mugs sales: est_lifetime: 1750 est_monthly_avg: 60 est_lifetime_revenue_usd: 50050 reviews: count: 233 average: 4.9 favorites: 905 listing_score: 74 listed_at: '2022-11-03T08:20:00.000Z' as_of: '2026-10-13T06:51:00.000Z' has_more: false next_cursor: null total: value: 2 relation: eq '400': $ref: '#/components/responses/Problem400' '401': $ref: '#/components/responses/Problem401' '402': $ref: '#/components/responses/Problem402' '403': $ref: '#/components/responses/Problem403' '404': $ref: '#/components/responses/Problem404' '405': $ref: '#/components/responses/Problem405' '429': $ref: '#/components/responses/Problem429' '500': $ref: '#/components/responses/Problem500' '503': $ref: '#/components/responses/Problem503' x-codeSamples: - lang: bash label: cURL source: >- curl "https://api.alura.io/v1/research/products/4524717183/similar" \ -H "Authorization: Bearer $ALURA_API_KEY" - lang: typescript label: TypeScript source: >- const res = await fetch('https://api.alura.io/v1/research/products/4524717183/similar', { headers: { Authorization: `Bearer ${process.env.ALURA_API_KEY}`, }, }); console.log(await res.json()); - lang: python label: Python source: |- import json import os import urllib.request request = urllib.request.Request( "https://api.alura.io/v1/research/products/4524717183/similar", headers={ "Authorization": f"Bearer {os.environ['ALURA_API_KEY']}", }, ) with urllib.request.urlopen(request) as response: print(json.load(response)) components: headers: Request-Id: description: '`req_` + ULID; quote it when reporting a problem.' schema: type: string Alura-Credits-Cost: description: API credits this call cost. schema: type: integer Alura-Credits-Remaining: description: >- API credits left in the workspace's monthly allowance, counting calls still in flight. Absent when it cannot be read right now. schema: type: integer responses: Problem400: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/invalid_request title: Invalid request status: 400 code: invalid_request detail: Invalid request suggestion: Fix the request as the detail says, then send it again. retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem401: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/unauthorized title: Unauthorized status: 401 code: unauthorized detail: Unauthorized suggestion: 'Send a valid API key as `Authorization: Bearer alura_sk_...`.' retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem402: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/credits_exhausted title: API credits exhausted status: 402 code: credits_exhausted detail: API credits exhausted suggestion: Upgrade the plan or wait for the monthly reset. retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem403: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/plan_required title: Plan required status: 403 code: plan_required detail: Plan required suggestion: Upgrade the workspace plan to use this operation. retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem404: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/not_found title: Not found status: 404 code: not_found detail: Not found suggestion: Check the ID, or search for it first. retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem405: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/method_not_allowed title: Method not allowed status: 405 code: method_not_allowed detail: Method not allowed suggestion: Use one of the methods in the Allow header. retryable: false request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem429: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/rate_limited title: Rate limited status: 429 code: rate_limited detail: Rate limited suggestion: Wait for Retry-After, then retry. retryable: true request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem500: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/internal_error title: Internal error status: 500 code: internal_error detail: Internal error suggestion: Retry; if it keeps failing, report the request_id. retryable: true request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B Problem503: description: Error content: application/problem+json: schema: $ref: '#/components/schemas/Problem' example: type: https://docs.alura.io/errors/credits_unavailable title: API credits unavailable status: 503 code: credits_unavailable detail: API credits unavailable suggestion: Retry shortly. retryable: true request_id: req_01JQ5W3H8M2N4P6R8T0V2X4Z6B schemas: Problem: type: object description: RFC 9457 problem details. properties: type: type: string format: uri title: type: string status: type: integer code: type: string description: A code from the error catalog; new codes may be added. x-extensible-enum: - invalid_request - unknown_parameter - invalid_cursor - cursor_window_exceeded - id_type_mismatch - invalid_keyword - unauthorized - credits_exhausted - plan_required - insufficient_scope - workspace_required - workspace_locked - browser_refused - role_required - impersonation_refused - recent_sign_in_required - not_found - not_found_on_etsy - shop_opted_out - method_not_allowed - conflict - key_limit_reached - idempotency_processing - unprocessable - rate_limited - throttled - daily_credit_cap_exceeded - credits_reserved - fetch_limit_reached - internal_error - upstream_unavailable - credits_unavailable - service_unavailable - fetch_unavailable - upstream_timeout detail: type: string suggestion: type: string retryable: type: boolean request_id: type: string upgrade_url: type: string format: uri description: 'credits_exhausted and plan_required: where to upgrade the plan.' credits_needed: type: integer description: 'API credit refusals: what the call needed.' credits_remaining: type: integer description: >- API credit refusals: what is left (of the month, or of the day for daily_credit_cap_exceeded). resets_at: type: string format: date-time description: >- credits_exhausted and daily_credit_cap_exceeded: when the limit resets. required: - type - title - status - code - detail - suggestion - retryable - request_id securitySchemes: apiKey: type: http scheme: bearer description: 'An API key: `Authorization: Bearer alura_sk_...`.' ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.