Division // API Services for SaaS

Integrations That Ship. Revenue That Compounds.

Custom API integration and backend engineering for SaaS products — billing, CRM, analytics, payment, and third-party data, wired into a reliable system that scales with your product.

24/7

Integration Uptime

100%

Audited Data Flow

Integration Health Check

We audit your current integrations, data flow, and failure points to find where fragile plumbing is costing you customers and engineering hours.

Request a Sector Audit
PHASE_01

Integration Architecture

We map your data flows and design an integration layer that won't break as you add customers and features.

PHASE_02

Backend + API Build

Custom endpoints and services — billing, CRMs, analytics, payments — built on modern, well-documented code.

PHASE_03

Reliability Guardrails

Monitoring, retries, and fail-safes so a third-party outage never becomes your customer's problem.

The Offer

API Services for SaaS is Launch at Dawn's integration and backend engineering offering — billing, CRM, analytics, and payment plumbing built and maintained by engineers, so integrations become a growth asset instead of a stability risk.

What's included

  • Integration architecture and data-flow audit
  • Custom backend and API endpoint builds
  • Billing, payment, CRM, and analytics integrations
  • Reliability guardrails — retries, monitoring, fail-safes
  • Documentation and handoff

Who it's for

  • SaaS startups shipping fragile integrations
  • B2B platforms needing CRM and billing plumbing
  • Fintech and martech products relying on third-party APIs
  • Teams that want engineering, not just a connector

Timeline

First integrations live in 1–2 weeks · architecture matches as you scale

The Outcome

Integrations that hold up under growth — reliable, documented, and built to scale with your product.

API Services for SaaS Packages

Pick your starting point

Starting prices — final scope depends on API count and complexity.

Single Integration

$3,000/ start

One well-built, monitored integration with documentation.

  • One API integration
  • Retry + monitoring
  • Documentation
  • Handoff
Book a Call
Most Popular

Integration Suite

$8,000/ start

Your core integrations architected and built together.

  • Everything in Single Integration
  • Up to 5 integrations
  • Integration architecture
  • Data-flow audit
  • Reliability guardrails
Book a Call

Engineering Partner

$15,000/ start

Ongoing backend and integration engineering, month to month.

  • Everything in Integration Suite
  • Ongoing engineering
  • Analytics + billing systems
  • Priority on-call
  • Quarterly architecture reviews
Book a Call

Sector Focus

We only work with brands where we can guarantee category dominance. Our expertise is focused on high-transaction local markets.

SaaS StartupsFintechMartechB2B PlatformsMarketplaces

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Proof from our clients
LaunchAtDawn didn't just give us a report; they gave us a new language to speak to our customers.
MM. HolmesOperations Director, Altos
They actually understand how people in Montreal search in both languages.
DDr. Marc ArisFounder, Clinique Dr. Aris
They turned our quiet bar into the most talked-about spot in the city in under 60 days.
CC. LefebvreOwner, Le Petit Secret
A rare breed of agency that understands both regulatory constraints and creative growth.
SS. ChenCMO, Nexus Finance
A masterclass in high-velocity deployment. They didn't just sell tickets; they integrated the city into the experience.
LL. ThorneOperations, Cyberk
API Services for SaaS FAQ

Frequently Asked Questions

Launch at Dawn integrates API services for SaaS products — billing and payments, CRM and marketing stacks, analytics, and third-party data — backed by full-stack engineering and a Montreal/Vancouver-based team. We build the integrations, then keep them reliable with monitoring and guardrails.