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SazM Senior dev · Fixed price
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Fixed-price fixes from a 20-year senior developer

API Integration & Webhook Development

Connect your site or app to the services it depends on — and keep it working when those services retry, time out or change. Payments, CRMs, scheduling, shipping, AI and internal APIs.

What you can queue

  • Payments — Stripe, PayPal and others: checkout, subscriptions, refunds, and webhook handling that survives duplicate and out-of-order events.
  • CRMs & marketing — HubSpot, Salesforce, Mailchimp and similar: lead sync, contact updates, two-way data flows without duplicates.
  • Operations — ERPs, inventory, shipping and scheduling APIs (e.g. MINDbody), bulk imports and exports.
  • AI APIs — OpenAI, Anthropic and Gemini integrations for content, classification and support workflows, with cost and failure handling.
  • Your own API — designing and building REST/JSON APIs and webhooks for partners and mobile apps, with authentication, rate limits and documentation.

Built to fail safely

Integrations break in production for predictable reasons: retries create duplicates, a slow third party blocks your request, credentials expire, or a data format changes. Each integration is built with automatic retry handling, timeout protection, error alerts, and duplicate prevention, so third-party hiccups never silently corrupt your customer orders or leads. See idempotent webhook processing.

Dual-Track Offer Ladder

// Track A · Instant Fixed-Price Fixes

  • Emergency Bug Fix: $99 (48h SLA)
  • Speed & Core Web Vitals Fix: $199 (48h SLA + Before/After Report)
  • WordPress Care Plan: $49/mo (Weekly updates, daily backups & CVE patching)

Zero discovery calls. Fixed price agreed before work begins. 100% money back if the agreed root cause cannot be fixed.

// Track B · Senior Retainer & Builds

  • Dedicated Monthly Plan: $999/mo (1 active task at a time, 24–48h PR delivery)
  • Custom Architecture Milestone: 24h Written Fixed Quote

Direct senior execution. Pull request delivery to your repository with live staging preview links.

How it works

  1. Pick a fixed-price fix or monthly plan — start with an emergency fix for $99 (48h SLA), a speed fix for $199, or the dedicated monthly plan ($999/mo).
  2. Send details asynchronously — repository, staging credentials, or error logs in writing.
  3. Get it delivered — tested code, pull request, and clear post-mortem notes. You own 100% of the code.

Not sure yet? Run a free speed audit of your site first, or ask a question — direct written reply within 24 hours.

// SazM ENGINEERING DISPATCH · PRODUCTION REMEDIATION

Senior Engineering Without Agency Overhead

// TRACK A · FIXED-PRICE FIXES (48H SLA)

Single Urgent or Speed Fix

Immediate code-level fixes with zero discovery calls. Emergency root-cause patch within 48 hours for $99, or full Core Web Vitals & speed remediation with before/after audit for $199. 100% money back if the agreed root cause cannot be fixed.

// TRACK B · SENIOR RETAINER & BUILDS

Monthly Plan or Custom Scope

Direct senior-level capacity embedded in your stack. Dedicated monthly engineering ($999/mo, 1 active task at a time, 24–48h PR delivery, pause or cancel anytime), or fixed-scope architectural milestones delivered within a 24h written quote.

✓ 20+ years engineering ✓ 100+ projects in the portfolio ✓ Fixes within 48 hours ✓ 100% money back if not fixed
1 Active Task at a Time
Requests are completed one by one in your priority order. As soon as an active task is shipped, tested, and approved, work starts immediately on your next task within our 24–48h SLA.
48h Emergency SLA
Clock starts as soon as site access details are provided. Delivered with full backup taken first, isolated staging testing, and 100% money back if not fixed.
WordPress Care Plan Scope
Weekly core and plugin updates pre-tested in staging, daily offsite encrypted backups, 24/7 uptime monitoring, and proactive security patching.
Founding Cohort: Pay Nothing Upfront
Zero upfront payment or credit card required. A 20-Year Senior Engineer diagnoses your issue, reproduces it on isolated staging, and deploys the fix. You only pay once you verify the staging reproduction or production fix.