DomainHelp pricing: domain WHOIS API, POST /
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33% complete: 3 of the 9 fields on our checklistSee the 9 fields
$10.00per 1,000 domainsWe haven't run DomainHelp through our domain WHOIS API benchmark yet.We rank 400 plans for domain WHOIS APIs by price. Half the plans cost $1.50 or less per 1,000 domains. This plan costs less per 1,000 domains than 7% of the 400 plans.Searchwire's $10 pack 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 costs the least for 10,000 domains a month: $2.08.Enterno, IPAddress.to and Robtex are the best domain WHOIS API providers in the Datacircle benchmark.
Plan: Pay per call with x402, 1 to 9 domains a request one of DomainHelp's 3 plans
- Pay as you go, Pay per call with x402, 1 to 9 domains a requestPay per call with x402, 1 to 9 domains a request$10.00 per 1,000
- Pay as you go, Pay per call with x402, 50 to 100 domains a requestPay per call with x402, 50 to 100 domains a request$4.00 per 1,000
- Pay as you go, Pay per call with x402, 10 to 49 domains a requestPay per call with x402, 10 to 49 domains a request$5.00 per 1,000
Call:
POST / one of DomainHelp's 2 callsGET /Pay as you go, Pay per call with x402, 1 to 9 domains a request$10.00 per 1,000api/ v1/ domain/ {domain} POST /Pay as you go, Pay per call with x402, 1 to 9 domains a request$10.00 per 1,000api/ v1/ domain
API: Domain WHOIS API DomainHelp's only API
About this item
- Freshness. We don't know how fresh this plan's data is.
- 3 of the 9 fields on our checklist. Registrar, Created on, Expires on.
- Nothing to buy first. You pay per call.
- One call. You send
domainordomainstoPOST /. You can also sendapi/ v1/ domain include. The call returns each domain's WHOIS record. - Who can get it: anyone, with no account or API key, paying each call in USDC on Base (x402). Keep data: no API terms. Use data: no API terms.
DomainHelp: domain WHOIS API alternatives
DomainHelp alternatives: other domain WHOIS API providers by price
We list other providers' plans closest to this plan in price per 1,000 domains.
| This planDomainHelp, pay as you go, Pay per call with x402, 1 to 9 domains a request, POST /api/v1/domain | Unstuckapi, $10 pack | Percall API, pay as you go | DomainRef, pay as you go, Pay per call, GET /v1/domain/check | OrionCMD, pay as you go | |
|---|---|---|---|---|---|
| $ per 1,000 domains | $10.00 | $10.00 | $10.00 | $10.00 | $10.00 |
| Completeness | 33% | 78% | 56% | 44% | 44% |
| Billing | pay as you go | pay first | pay as you go | pay as you go | pay as you go |
| Pay | per call | $10 | per call | per call | per call |
| Enough for | as many as you pay for | 1,000 calls | 1 call | 1 call | as many as you pay for |
| Freshness | unknown | unknown | unknown | live | unknown |
| Who can get it | anyone, with no account or API key, paying each call in USDC on Base (x402) | anyone at least 18 years old (an organization's buyer must be authorized to agree to the terms) | anyone, with no account: each call is paid in USDC on Base (eip155:8453) | anyone | anyone, with no account or API key, paying each call in USDC on Base (x402) |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.
- api.cdp.coinbase.com/platform/v2/x402/discovery/resources
- app.domainhelp.com/.well-known/x402
- app.domainhelp.com/api/v1/skills
- app.domainhelp.com/llms.txt
- dnsskills.md/auth
- dnsskills.md/domain-intelligence
- dnsskills.md/domain-intelligence.md
- dnsskills.md/openapi.yaml
- dnsskills.md/schemas/domain-intelligence.output.schema.json
- domainhelp.com
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Registrant, not in the answer
- Registrar
- Created on
- Updated on, not in the answer
- Expires on
- Name servers, not in the answer
- Statuses, not in the answer
- DNSSEC, not in the answer
- Abuse contact, not in the answer
| $ per 1,000 domains | $10.00 |
|---|---|
| Per | result |
| Billing | pay as you go |
| Also pays for | nothing else |
|---|
| Their pitch | Domain Intelligence — $0.01/domain via x402. RDAP/WHOIS-style registration, DNS, email-DNS, homoglyph and DomainSure reputation signals in one lookup. |
|---|
| Keep data | no API terms |
|---|---|
| Use data | no API terms |
| Pay | per call |
|---|
| Batch | 9 |
|---|
| Answer | in the call |
|---|
| You send | one of domain or domains. Optional: include |
|---|---|
| Method | POST |
| Path | /api/v1/domain |
| Plan | Pay per call with x402, 1 to 9 domains a request |
|---|---|
| Who can get it | anyone, with no account or API key, paying each call in USDC on Base (x402) |
The 31 fields the plan's answer can hold
domain name, request status, registration status, registration state, lookup protocol, WHOIS-style data, registrar name, creation date, expiration date, DNS status, resolves, A records, AAAA records, SOA record, MX records, TXT records, SPF present, SPF records, DMARC present, DMARC records, identity status, ASCII domain name, Unicode domain name, IDN, mixed script, confusable, reputation status, reputation source, reputation listed, reputation signals, queried at