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API & Integration
Third-Party API Integrations
Expert third-party API integration services. We connect your application with payment processors, CRMs, email services, and any external API reliably.
Get Started99.9%
API Uptime
<50ms
Avg Latency
100%
API Documentation
REST & GraphQL
Protocols
Service Category
Integration Engineering
Ideal For
Applications needing reliable connections with payment processors, CRMs, email services, and external APIs.
Timeline
2 – 6 weeks
Why Choose MicrocosmWorks for API Integrations?
Third-party integrations are where most applications break — flaky connections, rate limits, inconsistent data formats, and poor error handling. We build integrations that are resilient, observable, and maintainable. Every integration includes retry logic, circuit breakers, proper error mapping, and monitoring so issues are caught and handled gracefully.
Our Integration Capabilities
- Payment Integrations — Connect Stripe, Razorpay, PayPal with proper webhook handling, idempotency, and reconciliation.
- CRM Integrations — Sync data with Salesforce, HubSpot, or Pipedrive with bidirectional sync, conflict resolution, and field mapping.
- Email & Communication — Integrate Resend, SendGrid, Twilio, or Slack with proper delivery tracking and template management.
- OAuth & SSO — Implement OAuth 2.0 flows for connecting user accounts to Google, GitHub, Microsoft, and other providers.
- Data Sync — Build reliable data synchronization between systems with proper deduplication, ordering, and consistency guarantees.
- Webhook Management — Implement webhook receivers with signature verification, idempotent processing, and dead letter queues.
Technology Stack
We use typed SDK wrappers for major APIs (Stripe SDK, HubSpot API Client, etc.), Bull/BullMQ for async processing, Redis for deduplication, and comprehensive logging for debugging integration issues. All integrations include health checks and monitoring dashboards.
Who This Is For
Applications that need to connect with external services — payments, CRMs, email, analytics, social media, or any third-party API. Whether it's one critical integration or connecting a dozen systems, we build reliable, maintainable connections.
Our Process
1
Integration Analysis
Map data flows, identify API capabilities and limitations, and design integration architecture.
2
Design
Design sync strategy, error handling, webhook processing, and data mapping between systems.
3
Implementation
Build integration layer with retry logic, circuit breakers, and proper error handling.
4
Testing
Test with sandbox/test environments, simulate failure scenarios, and validate data consistency.
5
Monitoring & Maintenance
Deploy integration monitoring, set up failure alerts, and document troubleshooting guides.
Technology Stack
Payments
StripeRazorpayPayPalSquare
CRM & Sales
SalesforceHubSpotPipedriveIntercom
Communication
ResendSendGridTwilioSlack API
Infrastructure
BullMQRedisWebhooksOAuth 2.0
Industries We Serve
SaaSE-CommerceFinTechMarketingHealthcareEnterprise
Ready to Connect Your Systems?
Let's build reliable integrations that connect your application with the services your business depends on.
Frequently Asked Questions
We integrate payment APIs (Stripe, PayPal), communication APIs (Twilio, SendGrid), cloud storage (AWS S3, Google Cloud), CRM systems (Salesforce, HubSpot), social media APIs, mapping services, and hundreds of other third-party services.
Third-party API integration at MicrocosmWorks is priced at $15-$40/hour. Costs vary based on the number of integrations, API complexity, webhook handling, and error recovery requirements.
We implement exponential backoff with jitter, request queuing, circuit breaker patterns, and local caching to gracefully handle rate limits and API downtime. We also set up monitoring to alert you when third-party APIs degrade.
Yes, we design adapter patterns and integration middleware that abstract third-party API differences behind a consistent internal interface, making it easy to swap providers or add new integrations without changing your core application code.
We store credentials in encrypted vaults like AWS Secrets Manager or HashiCorp Vault, implement key rotation policies, use OAuth2 where available instead of static keys, and enforce least-privilege access for each integration.