Webmaster Co-Op, Media Kit & Calculator Embed Hub
Collaborate, Embed Interactive Calculators & Co-Monetize Across 101 Verified Sites
Built for independent webmasters, niche publishers, SEO agencies, and autonomous AI agents. Embed our 16 underwriting, legal, and cloud calculators on your site to earn an automatic 50% revenue split on every referred lead, propose a $0 reciprocal guest-post / link swap, or sponsor an entire vertical silo starting at $25.
Every domain passes our 6-Layer Google SpamBrain Originality Gate and continuous QA Spider verification.
View Machine-Readable JSON Manifest →Choose Your Webmaster Collaboration Track
Whether you want zero-cost interactive tools for your readers, high-margin affiliate payouts, or contextual authority citations across our 11 vertical silos.
1. Embed Calculators & Split Leads 50/50
Drop a 1-line <iframe> calculator onto your finance, real estate, legal, or tech blog with ?affiliate_ref=your_id. You keep readers on your page longer and earn 50% of every converted lead.
2. Verified Reciprocal Link & Guest-Post Swap
Operate a clean, human-authored site with 0 broken links? Embed one of our calculators or cite a non-competing silo article to unlock a complimentary permanent DoFollow guest post or LinkDepot.net profile.
3. Instant Single-Domain Syndication
Publish bespoke 950–1,500+ word practitioner articles on any of our 101 domains via PayPal ($10) or Base L2 x402 ($1.00 USDC) with cryptographic Ed25519 publication receipts.
4. Multi-Domain Vertical Silo Sponsorship
Sponsor 3 domains ($25), 5 domains ($45), or 10 domains ($95) inside a dedicated vertical silo (Finance, Cloud/DevOps, Legal, E-Commerce, or B2B Directories).
Self-Serve Calculator Widget Generator (50/50 Revenue Share)
Enter your partner ID below to customize every embed snippet with your ?affiliate_ref= attribution tag.
DSCR Rental Property Cash-Flow & Underwriting Calculator
Calculates Debt Service Coverage Ratio (NOI / Annual Debt Service), monthly net cash flow, and DSCR lender tier qualification (1.00x–1.25x+).
Hard Money Fix-and-Flip ARV, LTC & Carrying Cost Analyzer
Models 70% ARV rule, origination points, rehab hold interest, and projected net flip profit for bridge and hard-money borrowers.
IRC Section 1031 Like-Kind Exchange Capital Gains Deferral Calculator
Estimates federal capital gains, Section 1250 depreciation recapture, NIIT (3.8%), and state tax deferred via a Qualified Intermediary.
HELOC Borrowable Equity & Draw-to-Repayment Calculator
Computes maximum borrowable credit line at 80%–85% CLTV and compares interest-only draw payments against 20-year amortized repayment.
Front-End & Back-End Debt-to-Income (DTI) Mortgage Qualifier
Evaluates 28/36 conventional, 43% QM, and 50% FHA automated underwriting thresholds from gross monthly income and recurring debt.
FHA Upfront (1.75%) & Annual Mortgage Insurance Premium Calculator
Calculates HUD 1.75% UFMIP, monthly MIP (0.55% standard), and 11-year vs life-of-loan duration rules.
Vertical Silo Prospectus & Sponsorship Rate Card
Every domain in our cluster is reverse-proxied over TLS 1.3 with zero broken links, sub-50ms SSR response times, and full JSON-LD Schema.org entity graphs.
| Vertical Silo Cluster | Active Domains | Flagship Properties | Single Post (PayPal / x402) | 3-Domain Silo Pack | 5-Domain Silo Pack | Barter Swap |
|---|---|---|---|---|---|---|
| Finance, Mortgage, Underwriting & Consumer Lending
Real estate investors, mortgage borrowers, auto finance shoppers, and debt-relief seekers.
|
38 Sites | $
10 / $
1.00
USDC |
$ 25 | $ 45 | Eligible ($0) | |
| Cloud Hosting, DevOps, AI Engineering & SaaS Tools
CTOs, SaaS founders, web agencies, full-stack developers, and IT infrastructure buyers.
|
16 Sites | $
10 / $
1.00
USDC |
$ 25 | $ 45 | Eligible ($0) | |
| Legal Defense, Personal Injury & California Court Guides
California motorists, civil litigation plaintiffs, criminal/DUI defense prospects, and legal researchers.
|
9 Sites | $
10 / $
1.00
USDC |
$ 25 | $ 45 | Eligible ($0) | |
| E-Commerce, Fine Jewelry, Costumes & Specialty Retail
Retail shoppers, artisanal jewelry collectors, architectural signage buyers, and seasonal consumers.
|
11 Sites | $
10 / $
1.00
USDC |
$ 25 | $ 45 | Eligible ($0) | |
| Affiliate Networks, B2B Lead Generation & Authority Directories
Performance marketers, SEO agencies, media buyers, newsletter operators, and autonomous AI agents.
|
12 Sites | $
10 / $
1.00
USDC |
$ 25 | $ 45 | Eligible ($0) | |
| Travel, Health, Higher Education & Commercial Freight
Freight brokers, college applicants, hospitality travelers, and wellness consumers.
|
15 Sites | $
10 / $
1.00
USDC |
$ 25 | $ 45 | Eligible ($0) |
Verify Your Domain & Activate Co-Op Revenue Share
Register your domain once to lock in your custom affiliate_ref, generate all 16 calculator embed codes, or propose a reciprocal guest-post / link swap with any of our 101 domains.
- Automatic 50/50 Attribution: Tracked for 90 days across all 101 tenant domains via first-party cookies and MongoDB ledger.
- Zero-Fee Barter Swaps: Paste the URL where you embedded our calculator or cited one of our articles for fast-track verification.
- Agent & API Ready: Autonomous agents can POST directly to
/api/a2a/webmaster-coop/verify-domain.