Unified Developer Account — Access APIs & Developer Tools

Pricing & Plans

Subscribe for premium technical articles & monthly API quotas, or buy on-demand API credit packs for developer automation tools.

Become a Subscriber Member

Access all premium technical articles on sonjj.com & get monthly API allowances.

Monthly
Annual Tier discounts apply

Pro Member

Elevate your experience with Pro! Dive into exclusive content and power your projects with daily API credits. Unlock the full potential of our platform today!

  • Read All Posts Premium
  • Bonus 5000 credits / month
  • Priority support (24h-48h)

Premium Member

Access all premium API workflows, tutorials, and case studies. Includes 65,000 API credits/month for SONJJ API services (SmailPro, YChecker, Smser, and more) - best value for regular users.

  • All premium content & tutorials
  • 65,000 API credits/month
  • Priority support (24h)
  • Early access to new APIs

Free Account — $0

Read public posts and receive email newsletters.

Developer API Credit Packages

Pre-paid compute units for developer tools, data processing APIs, and automation endpoints. Credits remain valid with an active account.

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Subscriber Membership vs API Credits

Choose the billing style that best fits your technical reading or API automation workload.

📰 Subscriber Membership

Recurring Subscription

Best for: Readers who want full access to in-depth technical articles and developers needing regular monthly API quotas.

  • Full access to premium technical publications and case studies
  • Monthly API allowances included with your tier
  • Convenient subscription management via Ghost Portal & Stripe
  • Auto-recurring monthly or yearly billing, cancel anytime
⚡ Pay-as-you-go API Credits

Pre-Paid API Credit Packages

Best for: Developers and teams running bulk data processing, batch workflows, and on-demand automation without monthly recurring fees.

  • API credits remain valid as long as your account is active
  • Unified quota used across all tools and REST API endpoints on my.sonjj.com
  • Volume discounts up to 65% off base rate
  • One-time top-ups as needed via secure payment checkout

Maximum flexibility, zero wasted spend

No expiry — Purchased API credits remain valid as long as your account is active.

Unified API access — Spend a single credit balance across all sonjj.com developer tools and endpoints.

Volume discounts — Rate drops from $1.00 to $0.30 per 1,000 requests/credits.

Instant provisioning — API credits are added immediately after checkout, ready for production use.

Flexible tiers — Standard packages from $10 to $500, with enterprise custom quotas available upon request.

How it works

1

Pick a plan

Choose a Subscriber membership for articles or an API credit pack for developer tools.

2

Sign in / Register

Sign up instantly via Ghost Portal or create a developer account on my.sonjj.com.

3

Secure payment

Pay securely via Card / Stripe for Subscriptions, or standard payment checkout on my.sonjj.com for Credits.

4

Start integrating

Premium content unlocks immediately, and API credits are instantly available for your API keys & requests.

Tier-based rates apply automatically to ensure optimal volume pricing. Sign in to my.sonjj.com to manage API keys and monitor credit usage.

Frequently asked questions

Subscriber is a recurring membership (Monthly/Yearly) unlocking all technical articles and deep dives on sonjj.com along with regular monthly API allowances. Developer API Credits are one-time, pay-as-you-go compute quotas used for API automation, data processing, and developer utilities on my.sonjj.com—with no recurring fees and no arbitrary expiration.
Absolutely! You can subscribe as a Member to read premium engineering posts and receive baseline API allowances, while purchasing additional API Credit packs whenever you need higher throughput or larger batch tasks.
You can manage your Subscriber membership (change tier, update card, cancel renewal) directly via the Ghost Portal pop-up on this page by clicking Sign In / Account, or via your profile dashboard on my.sonjj.com.
No. Developer API credits remain assigned to your account and do not expire, provided your account remains in good standing.
Your API credits work seamlessly across all developer utilities, automation endpoints, data validation tools, and REST microservices hosted on my.sonjj.com.
We support major credit/debit cards (Visa, Mastercard) via secure processing. For Subscriptions, you may cancel at any time before the next billing cycle. For API Credit packages, we provide a full refund within 14 days of purchase if the credits remain unused, or if technical system errors prevent API usage. Contact support for prompt assistance.