# Happierleads, free: IP company lookup API > Identify a visitor in one call: POST /v1/identify — IP + cookie → company + person data Happierleads's Developer plan for the IP company lookup API costs $0.00 per 1,000 IP addresses. Happierleads's docs list 3 of the 10 fields on our checklist: Owner's name, Industry, Company size. We haven't run Happierleads through [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt) yet. This plan is free. We rank 398 plans for IP company lookup APIs by price. Half the plans cost $0.112 per 1,000 IP addresses or less. [See the best free IP company lookup API plan.](https://datacircle.dev/best-ip-company-lookup-api.txt) [IPHunter's €99.99 monthly plan](https://datacircle.dev/ip-company-lookup-apis/iphunter/99-99-monthly/llms.txt) is the cheapest paid plan per 1,000 IP addresses. IPHunter's €99.99 monthly plan covers up to 11,520,000 IP addresses a day. [FreeIPAPI's €9.90 monthly plan (/api/bulk/json)](https://datacircle.dev/ip-company-lookup-apis/freeipapi/9-90-monthly-unlimited-post-api-bulk-json/llms.txt) covers any number of IP addresses. FreeIPAPI's €9.90 monthly plan costs less up front than IPHunter's €99.99 monthly plan. [DNSlytics](https://datacircle.dev/ip-company-lookup-apis/dnslytics/free/llms.txt), [ipwhois.io](https://datacircle.dev/ip-company-lookup-apis/ipwhois-io/free/llms.txt) and [IPBot](https://datacircle.dev/ip-company-lookup-apis/ipbot/free-anonymous-get-v1-ip-ip/llms.txt) are the best IP company lookup API providers in the Datacircle benchmark. - This page: https://datacircle.dev/ip-company-lookup-apis/happierleads/free - [IP company lookup API: the 15 best providers compared](https://datacircle.dev/best-ip-company-lookup-api.txt) - Get it: https://happierleads.com/api-partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - Request: Docs behind sign-up - API key: with the plan, on https://happierleads.com/api-partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - Its API docs: https://happierleads.com/api-partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - Sold by: Happierleads (https://happierleads.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing) - Checked: 2026-11-04 ## In the answer - Completeness: 30% - Owner's name: ✓ - Industry: ✓ - Company size: ✓ ## Price - $ per 1,000 IP addresses: $0.00 - Per: call - Billing: free ## Charges - Also pays for: from the same budget: Enrich company · Enrich person ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: Identify a visitor in one call: POST /v1/identify — IP + cookie → company + person data ## Data - Keep data: no API terms - Use data: no API terms ## Plan - Pay: $0 - You get: 100 requests a month - Enough for: 100 calls a month ## Rate limit - Per second: 10 - Batch: 1 ## Speed - Answer: in the call ## The call - You send: Docs behind sign-up ## About the plan - Plan: Developer - Who can get it: anyone ## The 9 fields the plan's answer can hold company name, industry, company size, employee count, person name, job title, email, phone, LinkedIn URL ## Happierleads's plans (7) - [Happierleads, free](https://datacircle.dev/ip-company-lookup-apis/happierleads/free/llms.txt): $0.00 per 1,000, 30% complete - [Happierleads, $99 monthly](https://datacircle.dev/ip-company-lookup-apis/happierleads/99-monthly/llms.txt): 30% complete - [Happierleads, $499 monthly](https://datacircle.dev/ip-company-lookup-apis/happierleads/499-monthly/llms.txt): 30% complete - [Happierleads, $699 monthly](https://datacircle.dev/ip-company-lookup-apis/happierleads/699-monthly/llms.txt): 30% complete - [Happierleads, $999 monthly](https://datacircle.dev/ip-company-lookup-apis/happierleads/999-monthly/llms.txt): 30% complete - [Happierleads, $1,299 monthly](https://datacircle.dev/ip-company-lookup-apis/happierleads/1299-monthly/llms.txt): 30% complete - [Happierleads, $1,999 monthly](https://datacircle.dev/ip-company-lookup-apis/happierleads/1999-monthly/llms.txt): 30% complete ## Happierleads's calls for this API (1) - Docs behind sign-up: [Happierleads, free](https://datacircle.dev/ip-company-lookup-apis/happierleads/free/llms.txt) ## Happierleads's APIs (5) - [Happierleads: company discovery API pricing, 7 plans](https://datacircle.dev/company-discovery-apis/happierleads/free/llms.txt) - [Happierleads: IP company lookup API pricing, 7 plans](https://datacircle.dev/ip-company-lookup-apis/happierleads/free/llms.txt) - [Happierleads: people search API pricing, 7 plans](https://datacircle.dev/people-search-apis/happierleads/free/llms.txt) - [Happierleads: company enrichment API pricing, 8 plans](https://datacircle.dev/company-enrichment-apis/happierleads/free-trial/llms.txt) - [Happierleads: email finder API pricing, 8 plans](https://datacircle.dev/find-email-apis/happierleads/free-developer/llms.txt) ## Happierleads: IP company lookup API alternatives - [DNSlytics, free](https://datacircle.dev/ip-company-lookup-apis/dnslytics/free/llms.txt): $0.00 per 1,000, 30% complete - [ipwhois.io, free](https://datacircle.dev/ip-company-lookup-apis/ipwhois-io/free/llms.txt): $0.00 per 1,000, 50% complete - [IPBot, free, Anonymous, GET /v1/ip/{ip}](https://datacircle.dev/ip-company-lookup-apis/ipbot/free-anonymous-get-v1-ip-ip/llms.txt): $0.00 per 1,000, 80% complete - [IP-API.com, free, POST /batch](https://datacircle.dev/ip-company-lookup-apis/ip-api-com/free-post-batch/llms.txt): $0.00 per 1,000, 50% complete, 24 hours - [GeoJS, free](https://datacircle.dev/ip-company-lookup-apis/geojs/free/llms.txt): $0.00 per 1,000, 40% 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 2026-11-04. - https://documentation.happierleads.com/docs/leads/company-enrichment/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://happierleads.com/api-integration?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://happierleads.com/api-partner?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://happierleads.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://happierleads.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://rest-admin.happierleads.com/admin/api-docs.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing