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TestSync Lab

API testing

API testing services for REST and GraphQL backends

API testing services catch auth, contract, and integration breaks before the UI lies. TestSync Lab validates REST and GraphQL APIs inside remote retainers — Postman suites and CI-ready checks — for USA and global SaaS teams. Deep lane also on /services/api-testing.

Free QA AuditSee packages

Why SaaS teams hire TestSync Lab

  • Contracts that protect the UI

    Schema, status codes, auth, and error shapes your clients depend on.

  • CI-friendly collections

    Suites you can rerun on every meaningful backend change.

  • Pairs with functional/E2E

    API signal + UI journeys = fewer “works in Postman” surprises.

Problems this retainer replaces

  • UI automation only

    Many SaaS bugs are API-level. We test there first when it pays.

  • No auth/negative coverage

    Permissions and failure contracts are first-class.

  • Collections that rot

    Retainers keep API packs updated with the release train.

Monthly packages in USD

  • Plan

    Basic

    $999per month

    Hands-on manual QA for web, ecommerce (Shopify/Magento), mobile, and apps — including happy-path and negative checks.

    You want

    Shopify, Magento, web, or mobile journeys that real people must finish.

    You get

    Manual tests + bugs with steps. ~40h/week. $999/mo.

    Capacity: ~40 QA hours / week · your region's calendar

    • ~40 QA hours every week
    • Manual exploratory & regression testing
    • Shopify / Magento / web / mobile journeys (positive + negative)
    • Clear bug reports and test notes
    • Weekly status summary
    • Weekends & holidays match your region
    • Email / Slack support window

    Not included: Heavy automation builds, load campaigns, or multi-app pods

    Start with Basic

  • Most popular

    Growth

    $1,899per month

    Same ~40 hours a week — plus API checks and automation so releases move faster with fewer surprises.

    You want

    Cypress, Playwright, Selenium, or APIs that stay green when you ship.

    You get

    Automation start + API checks. $1,899/mo.

    Capacity: ~40 QA hours / week · your region's calendar

    • ~40 QA hours every week
    • Everything in Basic
    • API / contract validation
    • Playwright, Cypress, or Selenium automation start
    • Regression suites ready for CI
    • Priority bug triage support
    • Optional AI testing add-on (scoped separately)

    Not included: Dedicated full-time pod or multi-brand portfolios

    Choose Growth

  • Plan

    Scale

    $2,799per month

    Same weekly capacity, deeper stack — gates, reporting, performance spot checks, and a named lead cadence.

    You want

    A go / no-go before you ship — not Friday-night clicking.

    You get

    Release gates, JMeter spots, named lead. $2,799/mo.

    Capacity: ~40 QA hours / week · your region's calendar

    • ~40 QA hours every week
    • Everything in Growth
    • Performance spot checks (JMeter)
    • Release-gate checklist & sign-off support
    • Named lead cadence
    • Priority turnaround on critical paths
    • Optional AI testing add-on (scoped separately)

    Not included: 24/7 follow-the-sun staffing (available as Enterprise)

    Choose Scale

Full comparison, including Enterprise: pricing →

API testing services FAQ

  • Which package includes API testing?

    Growth ($1,899) and Scale include API depth. Basic can add light API smoke when scoped.

  • GraphQL supported?

    Yes — say so on the audit form.

  • How do we start?

    Free audit at /contact with API docs or staging.

Also in this lab

Share the product, stack, and next release. We return a practical QA audit within 24 hours on business days.

Free QA Audit