# Synthient, contact us, Enterprise, POST /api/v4/lookup/ips: IP company lookup API > Send one IP or domain and get ASN, ISP, country, network type, proxy provider, behavior tags, and a 0 to 100 risk score. Synthient's Enterprise plan lets you call the IP company lookup API. We check each provider's docs for 10 fields. Synthient's docs list 3: Owner's name, Owner's domain, ASN. No public price. Each IP address costs 0.9 Synthient credits. Ask Synthient what a credit costs. We haven't run Synthient through [our IP company lookup API benchmark](https://datacircle.dev/best-ip-company-lookup-api.txt) yet. Synthient gives this plan's price on request. We rank 606 plans for IP company lookup APIs by price. Half the plans cost $0.167 or less per 1,000 IP addresses. Synthient has no free IP company lookup API plan. [203 IP company lookup API plans on our price sheet are free.](https://datacircle.dev/best-ip-company-lookup-api.txt) [IPKit's free plan](https://datacircle.dev/ip-company-lookup-apis/ipkit/free/llms.txt) scores highest of the free plans in our benchmark, at 94.1 out of 100. [IPScanner's $5 pack](https://datacircle.dev/ip-company-lookup-apis/ipscanner/5-pack-pay-as-you-go-5-get-asn-ip/llms.txt) is the cheapest paid plan per 1,000 IP addresses. IPScanner's IP company lookup API costs nothing beyond the plan price. [ipapi.is' top-up plan](https://datacircle.dev/ip-company-lookup-apis/ipapi-is/top-up-from-1-one-time-credits-post/llms.txt) costs the least for 10,000 IP addresses a month: $1.00. [IPKit](https://datacircle.dev/ip-company-lookup-apis/ipkit/free/llms.txt), [thenetworkery](https://datacircle.dev/ip-company-lookup-apis/thenetworkery/free/llms.txt) and [IPLogs](https://datacircle.dev/ip-company-lookup-apis/iplogs/free-get-v1-lookup-ip/llms.txt) are the best IP company lookup API providers in the Datacircle benchmark. - This page: https://datacircle.dev/ip-company-lookup-apis/synthient/contact-us-enterprise-post-api-v4-lookup-ips - [IP company lookup API in 2026: the best of 80+ compared](https://datacircle.dev/best-ip-company-lookup-api.txt) - Get it: https://synthient.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - Request: `POST https://api.synthient.com/api/v4/lookup/ips` - API key: with the plan, on https://synthient.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - Its API docs: https://docs.synthient.com/ipapi?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing#look-up-multiple-ips - Sold by: Synthient (https://synthient.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing) - Checked: 2026-11-11 ## In the answer - Completeness: 30% - Owner's name: ✓ - Owner's domain: ✓ - ASN: ✓ ## Price - Per: result - Billing: contact ## In their words - Their pitch: Send one IP or domain and get ASN, ISP, country, network type, proxy provider, behavior tags, and a 0 to 100 risk score. ## Data - Keep data: no API terms - Use data: "Lookup API responses, Parquet feed snapshots, Firehose streams, and Helios evidence are licensed by the signed agreement for internal fraud, abuse, authentication, and security workflows." [...] "resale, redistribution, or public mirroring requires explicit permission." ## Rate limit - Per second: 100 - Batch: 1,000 ## Speed - Answer: in the call ## The call - You send: ips - Method: POST - Path: /api/v4/lookup/ips ## About the plan - Plan: Enterprise - Who can get it: teams that pass its access review: a work email and organization, then a signed agreement ## The 8 fields the plan's answer can hold IP address, ASN, ISP, organization, domain, network type, abuse email, abuse phone ## Synthient's plans (4) - [Synthient, contact us, Enterprise, POST /api/v4/lookup/ips](https://datacircle.dev/ip-company-lookup-apis/synthient/contact-us-enterprise-post-api-v4-lookup-ips/llms.txt): 30% complete - [Synthient, contact us, Researcher, POST /api/v4/lookup/ips](https://datacircle.dev/ip-company-lookup-apis/synthient/contact-us-researcher-post-api-v4-lookup-ips/llms.txt): 30% complete - [Synthient, contact us, Startup, POST /api/v4/lookup/ips](https://datacircle.dev/ip-company-lookup-apis/synthient/contact-us-startup-post-api-v4-lookup-ips/llms.txt): 30% complete - [Synthient, contact us, Business, POST /api/v4/lookup/ips](https://datacircle.dev/ip-company-lookup-apis/synthient/contact-us-business-post-api-v4-lookup-ips/llms.txt): 30% complete ## Synthient's calls (2) - `GET /api/v4/lookup/ip/{ip_address}`: [Synthient, contact us, Enterprise, GET /api/v4/lookup/ip/{ip_address}](https://datacircle.dev/ip-company-lookup-apis/synthient/contact-us-enterprise-get-api-v4-lookup-ip-ip-address/llms.txt) - `POST /api/v4/lookup/ips`: [Synthient, contact us, Enterprise, POST /api/v4/lookup/ips](https://datacircle.dev/ip-company-lookup-apis/synthient/contact-us-enterprise-post-api-v4-lookup-ips/llms.txt) ## Synthient's APIs (2) - [Synthient IP company lookup API pricing, 4 plans, POST /api/v4/lookup/ips](https://datacircle.dev/ip-company-lookup-apis/synthient/contact-us-enterprise-post-api-v4-lookup-ips/llms.txt) - [Synthient IP geolocation API pricing, 4 plans, GET /api/v4/lookup/ip/{ip_address}](https://datacircle.dev/ip-geolocation-apis/synthient/contact-us-enterprise-get-api-v4-lookup-ip-ip-address/llms.txt) - [Synthient IP geolocation API pricing, 4 plans, POST /api/v4/lookup/ips](https://datacircle.dev/ip-geolocation-apis/synthient/contact-us-enterprise-post-api-v4-lookup-ips/llms.txt) ## Synthient: IP company lookup API alternatives [Synthient alternatives: other IP company lookup API providers by price](https://datacircle.dev/synthient-alternatives.txt) We list other providers' plans with no public price. - [ParseAPI, contact us](https://datacircle.dev/ip-company-lookup-apis/parseapi/contact-us/llms.txt): 30% complete, 1 day - [Netlas, contact us](https://datacircle.dev/ip-company-lookup-apis/netlas/contact-us/llms.txt): 30% complete, 15 days - [AbuseIPDB, contact us](https://datacircle.dev/ip-company-lookup-apis/abuseipdb/contact-us/llms.txt): 30% complete - [VirusTotal, contact us](https://datacircle.dev/ip-company-lookup-apis/virustotal/contact-us/llms.txt): 30% complete - [DomainTools, contact us](https://datacircle.dev/ip-company-lookup-apis/domaintools/contact-us/llms.txt): 30% 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 2026-11-11. - https://api.synthient.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://docs.synthient.com/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://docs.synthient.com/ipapi?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://docs.synthient.com/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://synthient.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://synthient.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing - https://synthient.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=ip-company-lookup-api-pricing