# NuFi, free: Local business search API > Servico que consulta el Directorio Estadístico Nacional de Unidades Económicas (DENUE) donde aparecen los datos de identificación, ubicación, actividad económica y tamaño de unidades económicas activas en el territorio nacional. NuFi's Free API key (100 transactions) plan for the local business search API costs $0.00 per 1,000 places. We check each provider's docs for 8 fields. NuFi's docs list 4: Address, Phone, Website, Coordinates. We haven't run NuFi through [our local business search API benchmark](https://datacircle.dev/best-local-business-search-api.txt) yet. This plan is free. We rank 371 plans for local business search APIs by price. Half the plans cost $0.438 or less per 1,000 places. [See the best free local business search API plan.](https://datacircle.dev/best-local-business-search-api.txt) [SerpData's $200 pack](https://datacircle.dev/local-business-search-apis/serpdata/200-pack-growth-post-google-maps-search-places/llms.txt) is the cheapest paid plan per 1,000 places: $0.0004. SerpData charges for each page of results. We count 200 places on each page to get the $0.0004 price. [Amazon Location Service's pay-as-you-go plan](https://datacircle.dev/local-business-search-apis/amazon-location-service/pay-as-you-go-on-demand-post-v2-search-nearby-searchnearby/llms.txt) costs the least for 10,000 places a month: $0.05. [LeadSwift's $24.99 monthly plan](https://datacircle.dev/local-business-search-apis/leadswift/24-99-monthly/llms.txt) covers any number of places. LeadSwift's $24.99 monthly plan costs less up front than SerpData's $200 pack. [LocationIQ](https://datacircle.dev/local-business-search-apis/locationiq/100-monthly/llms.txt), [HERE](https://datacircle.dev/local-business-search-apis/here/pay-as-you-go-base-plan-0-to-5000-requests-a-month/llms.txt) and [openrouteservice](https://datacircle.dev/local-business-search-apis/openrouteservice/free-standard/llms.txt) are the best local business search API providers in the Datacircle benchmark. - This page: https://datacircle.dev/local-business-search-apis/nufi/free - [Local business search API: the best providers compared](https://datacircle.dev/best-local-business-search-api.txt) - Get it: https://www.nufi.mx/en/apis-validaci%C3%B3n-identidad/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=local-business-search-api-pricing - Request: `POST https://nufi.azure-api.net/inegi_denue/v1/consultar` - API key: with the plan, on https://www.nufi.mx/en/apis-validaci%C3%B3n-identidad/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=local-business-search-api-pricing - Its API docs: https://docs.nufi.mx/docs/api-docs-2023/q3njcxqlzo2aa-consulta-denue?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=local-business-search-api-pricing - Sold by: NuFi (https://www.nufi.mx?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=local-business-search-api-pricing) - Checked: 2026-11-09 ## In the answer - Completeness: 50% - Address: ✓ - Phone: ✓ - Website: ✓ - Coordinates: ✓ ## Price - $ per 1,000 places: $0.00 - Billing: free ## Charges - Also pays for: nothing else ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: Servico que consulta el Directorio Estadístico Nacional de Unidades Económicas (DENUE) donde aparecen los datos de identificación, ubicación, actividad económica y tamaño de unidades económicas activas en el territorio nacional. ## Data - Keep data: no limit - Use data: Queda prohibida la reventa del servicio sin autorización expresa de Nufi. [...] Queda totalmente prohibido el uso del código del servicio para fines no autorizados, así como de su tecnología API para desarrollar productos que le compitan sin previo acuerdo firmado por ambas partes. [...] Previo a realizar alguna búsqueda en la plataforma de Nufi, los Controladores (personas físicas o morales) clientes de Nufi deberán tener el Consentimiento expreso por el Candidato para realizar el tratamiento de sus datos ## Plan - Pay: $0 - You get: 100 requests ## Rate limit - Batch: 1 ## Speed - Answer: in the call ## The call - You send: metodo, nombre_establecimiento_razon_social, entidad_federativa, registro_inicial, registro_final - Method: POST - Path: /consultar ## About the plan - Plan: Free API key (100 transactions) - Who can get it: anyone who requests an API key through NuFi's contact form ## The 23 fields the plan's answer can hold total results, CLEE key, establishment ID, name, registered name, activity class, employee size range, street type, street, exterior number, interior number, neighborhood, postal code, location, phone, email, website, establishment type, longitude, latitude, industrial corridor type, industrial corridor name, premises number ## NuFi's plans (2) - [NuFi, free](https://datacircle.dev/local-business-search-apis/nufi/free/llms.txt): $0.00 per 1,000, 50% complete - [NuFi, contact us](https://datacircle.dev/local-business-search-apis/nufi/contact-us/llms.txt): 50% complete ## NuFi's calls for this API (1) - `POST /consultar`: [NuFi, free](https://datacircle.dev/local-business-search-apis/nufi/free/llms.txt) ## NuFi's APIs (8) - [NuFi: news API pricing, 2 plans](https://datacircle.dev/news-apis/nufi/free/llms.txt) - [NuFi: SERP API pricing, 2 plans](https://datacircle.dev/serp-apis/nufi/free/llms.txt) - [NuFi: business verification API pricing, 2 plans](https://datacircle.dev/business-verification-apis/nufi/free/llms.txt) - [NuFi: email verification API pricing, 2 plans](https://datacircle.dev/validate-email-apis/nufi/free/llms.txt) - [NuFi: local business search API pricing, 2 plans](https://datacircle.dev/local-business-search-apis/nufi/free/llms.txt) - [NuFi: people enrichment API pricing, 2 plans](https://datacircle.dev/person-enrichment-apis/nufi/free/llms.txt) - [NuFi: phone validation API pricing, 2 plans](https://datacircle.dev/validate-phone-apis/nufi/free/llms.txt) - [NuFi: reverse email lookup API pricing, 2 plans](https://datacircle.dev/reverse-email-lookup-apis/nufi/free/llms.txt) ## NuFi: local business search API alternatives - [LocationIQ, free](https://datacircle.dev/local-business-search-apis/locationiq/free/llms.txt): $0.00 per 1,000, 38% complete - [HERE, free](https://datacircle.dev/local-business-search-apis/here/free/llms.txt): $0.00 per 1,000, 75% complete, 24 hours - [openrouteservice, free, Standard](https://datacircle.dev/local-business-search-apis/openrouteservice/free-standard/llms.txt): $0.00 per 1,000, 63% complete, stored - [PontoFato, free](https://datacircle.dev/local-business-search-apis/pontofato/free/llms.txt): $0.00 per 1,000, 13% complete ## Sources From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09. - https://docs.nufi.mx/docs/api-docs-2023?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=local-business-search-api-pricing - https://docs.nufi.mx/docs/api-docs-2023/m7rs9qakw21oi-api-keys?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=local-business-search-api-pricing - https://docs.nufi.mx/docs/api-docs-2023/q3njcxqlzo2aa-consulta-denue?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=local-business-search-api-pricing - https://www.nufi.mx/en/apis-validaci%C3%B3n-identidad/apis?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=local-business-search-api-pricing - https://www.nufi.mx/terminosycondiciones?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=local-business-search-api-pricing