Bonafido API · APIs & MCP
Is this website a real, legit business?
Is this company website real? One call checks a domain, URL or email: DNS, domain age, mail setup, the live homepage, parked or for-sale…
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Linkheft APIBulk domain authority API + MCP: authority, web rank, trend and Majestic links · by CyberMax
Domain authority for 50 sites in one call
Bulk domain authority API: up to 50 domains, URLs or emails per call, each with a 0-100 authority score, its Common Crawl web-graph rank (harmonic and PageRank), host count, previous rank and trend, Majestic Million rank, referring subnets and IPs, and found…
Checkout by StripeFree: 1,000 domain lookups/dayREST API + MCP14-day refund
from $5See plans & buy
- Secure checkout by Stripe
- Tax handled at checkout
- Instant delivery by email
- 14-day refund if it doesn't work as described
- Cancel subscriptions any time
- Human support: cybermax.tools@gmail.com
Who it's for
- SEO and link-building tools
- agencies and freelancers
- lead scoring and enrichment
- AI agents
Real sample output
| Domain | Authority | Tier | Web rank | Trend | Ref. subnets | Found |
|---|---|---|---|---|---|---|
| wikipedia.org | 86 | top 100 | 14 | stable | 229,583 | yes |
| stripe.com | 78 | top 100 | 64 | stable | 51,463 | yes |
| hubspot.com | 70 | top 1,000 | 277 | stable | 41,084 | yes |
| ahrefs.com | 65 | top 1,000 | 717 | stable | 17,227 | yes |
| notion.so | 64 | top 1,000 | 810 | stable | 18,243 | yes |
| moz.com | 64 | top 1,000 | 802 | stable | 18,196 | yes |
A live 8-domain call to the Linkheft API, 29 Sep 2026, sorted by score (web graph cc-main-2026-jul-aug-sep, Majestic Million 2026-09-23)
Why buyers pick Linkheft API
18 domains scored in one live call.
2Authority, web rank, trend + Majestic per domain.
3$19/month for 100,000 domain lookups.
4Per-domain authority priced like a utility
How it works
- Try the free tier: no key, no signup.
- Pick a plan and pay by card with Stripe.
- Your API key arrives by email; send it as a Bearer token.
Plans & pricing
| Free | Prospector | Agency | Platform | Pay as you go | Prospector yearly | Agency yearly | Platform yearly | |
|---|---|---|---|---|---|---|---|---|
| Price | $0 | $19/month | $49/month | $99/month | $5 once | $190/year | $490/year | $990/year |
| Included | 1,000 domain lookups a day | 100,000 domain lookups a month | 500,000 domain lookups a month | 2,000,000 domain lookups a month | 25,000 domain lookups | 100,000 domain lookups | 500,000 domain lookups | 2,000,000 domain lookups |
| Per 1,000 | free | $0.19 | $0.10 | $0.05 | $0.20 | $1.90 | $0.98 | $0.49 |
| Key | none | by email, instantly | by email, instantly | by email, instantly | by email, instantly | by email, instantly | by email, instantly | by email, instantly |
| Try free | Buy | Buy | Buy | Buy | Buy | Buy | Buy |
Linkheft API Pay as you go: 25,000 domain lookups (no expiry)
$5 once
Bulk domain authority API: up to 50 domains, URLs or emails per call, each with a 0-100 authority score, its Common Crawl web-graph rank (harmonic and PageRank), host count,…
Buy nowLinkheft API Prospector: 100,000 domain lookups a month
$19/month
Bulk domain authority API: up to 50 domains, URLs or emails per call, each with a 0-100 authority score, its Common Crawl web-graph rank (harmonic and PageRank), host count,…
Buy nowLinkheft API Agency: 500,000 domain lookups a month
$49/month
Bulk domain authority API: up to 50 domains, URLs or emails per call, each with a 0-100 authority score, its Common Crawl web-graph rank (harmonic and PageRank), host count,…
Buy nowLinkheft API Platform: 2,000,000 domain lookups a month
$99/month
Bulk domain authority API: up to 50 domains, URLs or emails per call, each with a 0-100 authority score, its Common Crawl web-graph rank (harmonic and PageRank), host count,…
Buy nowLinkheft API Prospector yearly: 100,000 domain lookups a month, billed yearly
$190/year
Bulk domain authority API: up to 50 domains, URLs or emails per call, each with a 0-100 authority score, its Common Crawl web-graph rank (harmonic and PageRank), host count,…
Buy nowLinkheft API Agency yearly: 500,000 domain lookups a month, billed yearly
$490/year
Bulk domain authority API: up to 50 domains, URLs or emails per call, each with a 0-100 authority score, its Common Crawl web-graph rank (harmonic and PageRank), host count,…
Buy nowBest value
Linkheft API Platform yearly: 2,000,000 domain lookups a month, billed yearly
$990/year
Bulk domain authority API: up to 50 domains, URLs or emails per call, each with a 0-100 authority score, its Common Crawl web-graph rank (harmonic and PageRank), host count,…
Buy nowWhat you get
Bulk domain authority API: up to 50 domains, URLs or emails per call, each with a 0-100 authority score, its Common Crawl web-graph rank (harmonic and PageRank), host count, previous rank and trend, Majestic Million rank, referring subnets and IPs, and found true/false. Priced per domain looked up. Keys work on the REST API and the MCP server.
- Free tier: 1,000 domain lookups a day without a key
- Open the Linkheft API live demo
How the price compares
Domain metric APIs charge per domain: Moz API $20/month for 3,000 rows ($6.67 per 1,000) and $125/month for 50,000 ($2.50 per 1,000); DataForSEO backlink summaries about $0.024 each; Ahrefs API only inside plans from $129/month; OpenPageRank is free for 30,000 domains a month (checked 29 Sep 2026). Linkheft matches OpenPageRank's free allowance with 1,000 free lookups a day and adds Majestic referring subnets, PageRank rank and 4-month trend: Prospector $19/month for 100,000 domain lookups ($0.19 per 1,000), or $5 pay-as-you-go for 25,000 that never expire.
| Vs rivals (per domain looked up (a call checks up to 50 domains)) | Plan | Per 1,000 |
|---|---|---|
| Moz API Starter | $20 / 3,000 rows | $6.67 |
| Moz API Growth | $125 / 50,000 rows | $2.50 |
| DataForSEO Backlinks Summary | $0.024 per request | ~$24.00 |
| OpenPageRank Bronze | $84/year / 100,000 a month | $0.07 |
| Linkheft API Prospector | $19 / 100,000 domain lookups | $0.19 |
- Moz API (checked 2026-09-29): Free $0 = 50 rows/mo; Starter $20/mo = 3,000 rows, $75/mo = 15,000 rows; Growth $125/mo = 50,000, $250/mo = 120,000, $500/mo = 500,000 rows; Advanced $2,000/mo = 4 million rows
- DataForSEO Backlinks API (checked 2026-09-29): Summary API (live): $0.024 per request + $0.000036 per row; pay as you go
- Ahrefs API (checked 2026-09-29): API and MCP access in Lite $129/mo (1,000 credits per user), Standard $249/mo, Advanced $449/mo; uncapped API on Enterprise $1,499/mo (annual commitment)
- OpenPageRank (Keywords Everywhere) (checked 2026-09-29): Free 30,000 domains/month (60 req/min, up to 100 domains per request); Bronze 100,000/month, Silver 200,000, Gold 1,000,000 via Keywords Everywhere plans: Bronze $84/year, Silver $168/year, Gold $480/year (keywordseverywhere.com/compare-plans.html)
Refund policy
14-day money-back promise. If it doesn't work as described, email us within 14 days and we fix it or refund you in full. Duplicate charges are always refunded; failed API calls are never counted. Read the full policy.
Questions
How do I get it after paying?
Checkout is handled by Stripe. Your download, licence key or API key and your receipt arrive by email right after payment.
Can I get a refund?
Yes. If it doesn't work as described, email us within 14 days and we fix it or refund you in full. See the refund policy.
Is checkout secure?
Card details go only to Stripe. CyberMax never sees them; sales tax or VAT is calculated at checkout.
Can I cancel?
Any time, from the link in your receipt email. You keep access until the end of the paid period.
Can I try before buying?
Yes: the free tier gives 1,000 domain lookups a day with no key and no signup.
Can AI agents use it?
Yes. The same key works on the REST API and the remote MCP server at https://linkheft-api.cybermax-tools.workers.dev/mcp.
Why not Moz API or DataForSEO Backlinks API?
Domain metric APIs charge per domain: Moz API $20/month for 3,000 rows ($6.67 per 1,000) and $125/month for 50,000 ($2.50 per 1,000); DataForSEO backlink summaries about $0.024 each; Ahrefs API only inside plans from $129/month; OpenPageRank is free for 30,000 domains a month (checked 29 Sep 2026). Linkheft matches OpenPageRank's free allowance with 1,000 free lookups a day and adds Majestic referring subnets, PageRank rank and 4-month trend: Prospector $19/month for 100,000 domain lookups ($0.19 per 1,000), or $5 pay-as-you-go for 25,000 that never expire.
Try 5 domains free
Linkheft API · from $5
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Prices and plans generated from live Stripe data on 29 Sep 2026.
from $5See plans & buy