Pricing
Per InvocationMethod overrides
lookup_domainLookup Domain3¢check_availabilityCheck Availability3¢Quick Start
1. Buy credits — Use the panel on the right to purchase credits for this tool via Stripe.
2. Get your API key — After purchasing, go to your Consumer Dashboard to generate an API key.
3. Call the tool — Calls go through the SettleGrid proxy, which checks your API key, meters the call and forwards it to the developer's service. Send your key in the x-api-key header.
curl -X POST https://settlegrid.ai/api/proxy/whois \
-H "x-api-key: sg_live_your_key_here" \
-H "Content-Type: application/json" \
-d '{"query": "your input here"}'Buy Credits
Credits never expire. You can purchase more at any time.
Reviews
Verified User
March 25, 2026
Works great. Response times are excellent.
Verified User
March 25, 2026
Very responsive API. No issues so far.
Write a Review
Changelog
No changelog entries yet.
Badges
Add these badges to your GitHub README, docs, or website to show that this tool is available on SettleGrid.
Tool status badge
[](https://settlegrid.ai/tools/whois)Displays the tool name and live status (green for active, gray for draft).
Powered by SettleGrid
[](https://settlegrid.ai)A generic badge that links back to SettleGrid. Works in any project README.
Frequently Asked Questions
How much does Whois cost?
Whois costs 3¢ per call on SettleGrid using the per invocation pricing model. Credits never expire and you can buy more at any time.
How do I call Whois from my AI agent?
Install the SettleGrid SDK with `npm install @settlegrid/mcp`, then wrap your handler: `const sg = settlegrid.init({ toolSlug: 'whois', pricing: { defaultCostCents: 3 } })`. Use your API key in the `x-api-key` header when calling the tool endpoint. Full guide at settlegrid.ai/docs.
What payment methods does Whois accept?
SettleGrid's Smart Proxy brokers payments across 9 agent payment protocols (MCP, x402 from Coinbase/Linux Foundation, Stripe MPP pending GA, AP2 from Google, ACP from OpenAI, UCP from Google+Shopify, Visa TAP, Mastercard Verifiable Intent, and Circle Nanopayments) and has detection adapters for 2 more (L402 on Bitcoin Lightning and Skyfire's KYAPay). Additional rails are tracked as their specs mature. Consumers can fund credits via Stripe.
Is Whois free to try?
SettleGrid offers a free tier with 50,000 operations per month. You can buy credits starting at $5.00 to try Whois, and credits never expire.
Who built Whois?
Whois was built by Lex Whiting. View their full profile and other tools at settlegrid.ai/dev/lexwhiting.