# Pulsedive, free, No API key: Domain WHOIS API

> Automate adding threats, risk factors, WHOIS data, location information, and more to alerts, cases, and tickets as they're generated by your other solutions.

Pulsedive's No API key plan for the domain WHOIS API costs $0.00 per 1,000 domains. We check each provider's docs for 9 fields. Pulsedive's docs list 6: Registrant, Registrar, Created on, Expires on, Name servers, Abuse contact.
We haven't run Pulsedive through [our domain WHOIS API benchmark](https://datacircle.dev/best-domain-whois-api.txt) yet.
This plan is free. We leave this plan out of our price ranking because the provider bans business use. We rank 495 plans for domain WHOIS APIs by price. Half the plans cost $1.575 or less per 1,000 domains. [See the best free domain WHOIS API plan.](https://datacircle.dev/best-domain-whois-api.txt)
[Searchwire's $10 pack](https://datacircle.dev/domain-whois-apis/searchwire/10-pack/llms.txt) is the cheapest paid plan per 1,000 domains. Searchwire's domain WHOIS API costs nothing beyond the plan price. [C99.nl's $25 yearly plan](https://datacircle.dev/domain-whois-apis/c99-nl/25-yearly/llms.txt) costs the least for 10,000 domains a month: $2.08.
[WhoisJSON](https://datacircle.dev/domain-whois-apis/whoisjson/120-monthly/llms.txt), [Enterno](https://datacircle.dev/domain-whois-apis/enterno/free-open-api/llms.txt) and [IPAddress.to](https://datacircle.dev/domain-whois-apis/ipaddress-to/free/llms.txt) are the best domain WHOIS API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/domain-whois-apis/pulsedive/free-no-api-key
- [Domain WHOIS API in 2026: the best of 20+ providers compared](https://datacircle.dev/best-domain-whois-api.txt)
- Get it: https://docs.pulsedive.com/api/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Request: `GET https://pulsedive.com/api/indicator.php`
- API key: not needed
- Its API docs: https://docs.pulsedive.com/api/indicator/get-by-value?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- Sold by: Pulsedive (https://pulsedive.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing)
- Checked: 2026-11-09

## In the answer

- Completeness: 67%
- Registrant: ✓
- Registrar: ✓
- Created on: ✓
- Expires on: ✓
- Name servers: ✓
- Abuse contact: ✓

## Price

- $ per 1,000 domains: $0.00
- Per: call
- Billing: free

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Automate adding threats, risk factors, WHOIS data, location information, and more to alerts, cases, and tickets as they're generated by your other solutions.

## Data

- Keep data: no limit
- Use data: You may only use the Services for lawful purposes, in a manner which is not expressly prohibited by these Terms, and in a manner which does not infringe on our rights or interests or the rights and interests of third parties. [...] You will not: Use any robot, spider, or other automatic device, process, or means to access the Services for any purpose, including monitoring or copying any of the material on the Services, Use any manual process to monitor or copy any of the material on the Services or for any other unauthorized purpose without our prior written consent, [...] You agree that you will not, and will not allow any third party to: (i) copy, sell, license, distribute, transfer, modify, adapt, translate, prepare derivative works from, decompile, reverse engineer, disassemble or otherwise attempt to derive source code from the Software, the Services or content that may be presented or accessed through the Software, the Services for any purpose [...]

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: indicator. Optional: historical, schema
- Method: GET
- Path: /api/indicator.php

## About the plan

- Plan: No API key
- Who can get it: anyone, for non-commercial use

## The 12 fields the plan's answer can hold

domain, registrar, registrant, created date, last changed date, expiry date, emails, phones, abuse contact, WHOIS privacy, GDPR restricted, nameservers

## Pulsedive's plans (8)

- [Pulsedive, free, No API key](https://datacircle.dev/domain-whois-apis/pulsedive/free-no-api-key/llms.txt): $0.00 per 1,000, 67% complete
- [Pulsedive, free account](https://datacircle.dev/domain-whois-apis/pulsedive/free-account/llms.txt): $0.00 per 1,000, 67% complete
- [Pulsedive, $29 monthly](https://datacircle.dev/domain-whois-apis/pulsedive/29-monthly/llms.txt): $11.60 per 1,000, 67% complete
- [Pulsedive, $300 monthly](https://datacircle.dev/domain-whois-apis/pulsedive/300-monthly/llms.txt): $12.00 per 1,000, 67% complete
- [Pulsedive, $900 monthly](https://datacircle.dev/domain-whois-apis/pulsedive/900-monthly/llms.txt): $9.00 per 1,000, 67% complete
- [Pulsedive, $3,000 yearly](https://datacircle.dev/domain-whois-apis/pulsedive/3000-yearly/llms.txt): $10.00 per 1,000, 67% complete
- [Pulsedive, $9,000 yearly](https://datacircle.dev/domain-whois-apis/pulsedive/9000-yearly/llms.txt): $7.50 per 1,000, 67% complete
- [Pulsedive, contact us](https://datacircle.dev/domain-whois-apis/pulsedive/contact-us/llms.txt): 67% complete

## Pulsedive's calls (1)

- `GET /api/indicator.php`: [Pulsedive, free, No API key](https://datacircle.dev/domain-whois-apis/pulsedive/free-no-api-key/llms.txt)

## Pulsedive's APIs (2)

- [Pulsedive: domain WHOIS API pricing, 8 plans](https://datacircle.dev/domain-whois-apis/pulsedive/free-no-api-key/llms.txt)
- [Pulsedive: IP company lookup API pricing, 8 plans](https://datacircle.dev/ip-company-lookup-apis/pulsedive/free-no-api-key/llms.txt)

## Pulsedive: domain WHOIS API alternatives

- [HTMLWeb, top-up](https://datacircle.dev/domain-whois-apis/htmlweb/top-up/llms.txt): $7.044 per 1,000, 11% complete, 10 days
- [Suprsonic, $1,199 monthly](https://datacircle.dev/domain-whois-apis/suprsonic/1199-monthly/llms.txt): $7.494 per 1,000, 78% complete
- [ViewDNS.info, $2,299 yearly](https://datacircle.dev/domain-whois-apis/viewdns-info/2299-yearly/llms.txt): $7.663 per 1,000, 89% complete, live
- [ToolCall, pay as you go](https://datacircle.dev/domain-whois-apis/toolcall/pay-as-you-go/llms.txt): $8.00 per 1,000, 11% 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.pulsedive.com/api/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://docs.pulsedive.com/api/indicator/get-by-value?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://docs.pulsedive.com/api/indicator/indicator-by-value.yaml?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://docs.pulsedive.com/api/limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://pulsedive.com/about/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://pulsedive.com/about/pro?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing
- https://pulsedive.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=domain-whois-api-pricing