Multi-carrier shipping platform
- 5
- carrier APIs integrated (FedEx, DHL, UPS, Aramex, Shippo)
Third-Party API Integration Services
Every third-party API integration that breaks silently, fails without alerting, or requires manual reconciliation is an operational cost your team pays indefinitely.
Third-party API integrations connect your product to the external systems your business depends on: payment processors, CRMs, ERPs, shipping carriers, communications platforms, identity providers, and industry-specific data sources. Each integration is a dependency, one that can change without notice, fail under load, or return data in formats your system doesn't handle cleanly.
RaftLabs designs and builds third-party API integrations that are production-grade: error handling for every failure mode, retry logic with backoff, webhook ingestion with signature verification, data transformation between the external format and your internal schema, and monitoring so you know when an integration breaks before your users do.
Production-grade error handling and retry logic, not a happy-path integration that breaks silently on the first API timeout
Webhook ingestion with signature verification and idempotent processing, no duplicate records from retried webhook deliveries
Data transformation layer that maps external API schemas to your internal data model as a maintained component
Integration monitoring with alerting when an external API returns errors or response times degrade
Recent outcomes
Voice AI · Research
6× deeper insights
Text-based interviews converted to automated phone calls
AI Automation · Ops
20k+ txns day one
Manual invoice OCR across 40+ gas stations
Loyalty · Retail
1,062 users in 4 weeks
SuperValu & Centra loyalty platform with receipt validation
SaaS · Logistics
2,000+ shipments yr 1
Multi-carrier shipping hub for Indonesian eCommerce
4.9
on ClutchThe problem
Sound familiar?
When a third-party API you integrate with goes down or returns unexpected errors, does your system handle it gracefully or does it propagate the failure to your users as an unexplained error?
Has a third-party API changed its response schema without notice and broken your integration silently, with the first indication being a customer complaint?
Short answer
RaftLabs builds production-grade third-party API integrations with error handling, retry logic with exponential backoff, webhook ingestion with signature verification, data transformation, and monitoring with alerting. We connect payment processors, CRMs, ERPs, communications platforms, and identity providers. A first single-service integration typically ships in 4 to 10 weeks from $8,000 to $25,000 at a fixed cost, then you add more systems as you grow.
Key takeaways
- A first single-service integration typically costs $8,000 to $25,000 at a fixed cost agreed before development starts, then you add more systems as you grow.
- Most third-party API integration projects ship a first working integration in 4 to 10 weeks.
- Every integration includes error handling, retry logic with exponential backoff, and integration monitoring with alerting.
- Webhook ingestion is built with HMAC signature verification and idempotent processing to prevent duplicate records.
- RaftLabs integrates payment processors (Stripe, Adyen), CRMs (Salesforce, HubSpot), ERPs (SAP, NetSuite), communications platforms (Twilio, SendGrid), and identity providers (Okta, Auth0).
- A complex integration with bidirectional sync and conflict resolution typically runs $25,000 to $70,000.
Trusted by
Third-party API integrations are dependencies your product relies on but doesn't control. Payment processors, CRMs, ERPs, communications platforms, and identity providers each have their own rate limits, error formats, breaking change policies, and downtime characteristics. An integration built as a happy-path HTTP call, no error handling, no retry logic, no monitoring, works until the external API doesn't, and then it becomes an incident.
Production-grade integration means handling every failure mode you can anticipate and detecting the ones you can't. Retry with exponential backoff for transient failures. Circuit breakers that stop calling an API which is clearly down. Webhook signature verification to reject payloads that didn't come from the expected source. Schema validation on responses to detect when an external API changes format. Rate-limit handling that reads the provider's limit headers and paces requests so a burst doesn't trip a 429. Pagination that walks every page, cursor or offset, so a sync never silently stops at the first batch. And a data transformation layer that isolates the mapping between external and internal schemas in one maintainable place rather than scattering it across the codebase. RaftLabs builds all of this into the integration, not as features bolted on after the first production incident.
The average organization runs 1,061 separate applications, and only 29% of them are connected (MuleSoft Connectivity Benchmark Report, 2023). Every system left unconnected becomes a manual export, a reconciliation spreadsheet, or a silent data silo. For teams managing multiple third-party dependencies, the gap between a well-architected integration layer and a pile of point-to-point calls compounds straight into incident frequency, engineering time, and customer trust.
Capabilities
What we build
- 01Payment processor integration
Payment integration for capture, subscription billing, refunds, and dispute handling, with the implementation details that prevent production incidents. Idempotency keys on every charge request stop duplicate charges when a response is lost on retry. Webhooks for all payment lifecycle events are verified with HMAC signatures, and card data is tokenised in the browser to keep you in the lighter SAQ A PCI DSS scope. Daily reconciliation flags mismatches between the processor and your order records before they become a month-end accounting problem.
- Built with
- Stripe · Braintree · Adyen · Stripe.js
- 02CRM and ERP integration
CRM and ERP integration for contact sync, opportunity management, activity logging, and order, inventory, and financial data. Bidirectional sync uses a conflict resolution strategy defined per entity and documented as a business rule, not decided ad hoc. A single transformation layer maps external schemas to your data model, so a renamed field means one update, not changes scattered across the codebase. Record count reconciliation runs after every sync cycle to catch discrepancies early.
- Built with
- Salesforce · HubSpot · Microsoft Dynamics · SAP · Oracle · NetSuite
- 03Communications platform integration
Communications integrations built for the delivery reliability transactional messaging requires, not fire-and-forget calls that lose messages silently. SMS, WhatsApp, and voice ship with delivery status webhooks written back to each message record. Transactional email uses versioned templates, delivery event tracking, and suppression management so unsubscribes are honoured across all future sends. Multi-channel fallback triggers an email automatically when an SMS fails to deliver.
- Built with
- Twilio · SendGrid · Postmark · Slack · Teams · Firebase Cloud Messaging
- 04Identity provider integration
Social login and workforce SSO with the major identity providers, using PKCE for mobile clients where secrets cannot be stored securely. SAML connects your product to corporate IdPs so enterprise customers log in with their existing credentials. SCIM automates the user lifecycle: provisioned with the right role on join, deprovisioned on exit, no orphaned accounts. JWT validation covers signature, issuer, audience, and expiry against the IdP's JWKS endpoint.
- Built with
- OAuth 2.0 · OpenID Connect · SAML 2.0 · SCIM 2.0 · Okta · Auth0
- 05Webhook ingestion and event processing
Webhook receivers built for production delivery conditions, not just happy-path processing. Every incoming payload is verified with a signature before processing. Idempotent processing stores event IDs and checks for duplicates, so a provider retry never creates a double charge or duplicate record. An event queue buffers volume between the fast-responding receiver and slower processing workers, and failed events land in a dead letter queue with error context for review and replay, never silently discarded.
- Built with
- HMAC-SHA256 · AWS SQS · RabbitMQ · BullMQ
- 06Integration monitoring and alerting
Per-integration observability built in from day one, because finding out an integration has failed for 6 hours via a customer complaint is a trust problem monitoring would have prevented. We track success rates, response times at p50/p95/p99, and rate limit hits per integration, with alerts on error rate spikes and outages. Circuit breakers stop calls to an API that is clearly down, fallback behaviour is defined per integration, and a status dashboard shows every dependency's health in one view.
- Built with
- PagerDuty · Opsgenie
When a custom integration beats an iPaaS
An iPaaS like Zapier, Make, or Workato is the right call when the integration is a standard connector, the data volume is low, and a non-engineer owns the workflow. It stops fitting when you need custom data transformation, high-throughput webhook processing, transactional guarantees, or logic the platform's prebuilt connectors don't expose. We build custom when the integration sits on your product's critical path and per-task pricing or connector limits would cap it. If an off-the-shelf iPaaS covers your case, we tell you that instead of billing you for a build you don't need.
Have an integration project?
Tell us which third-party systems you need to connect, what data needs to move between them, and where the current integration breaks. We'll scope it and give you a fixed cost.
Related API development services
API Development Services, full API development capability overview
REST API Development, REST APIs that your own systems expose for integration
GraphQL Development, GraphQL APIs with external data sources
API Gateway Development, API gateway for managing third-party integration traffic
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Read moreFrequently asked questions
Third-party API changes are handled through a combination of defensive design and monitoring. Defensive design means your data transformation layer maps the external schema to your internal model in one place, when the external schema changes, there's one file to update rather than changes scattered across the codebase. Monitoring means schema validation on API responses that alerts when the structure deviates from expected, catching the change before it propagates to users. For critical integrations, automated tests against sandbox environments run on a schedule to catch API changes before they affect production.
Webhook providers retry delivery when your endpoint doesn't return a 2xx response within a timeout window. This means your endpoint may receive the same event multiple times, once successfully and once when the provider didn't receive the acknowledgement in time. Idempotent processing means that processing the same event twice produces the same result as processing it once, no duplicate records, no double charges, no double notifications. Idempotency is implemented by storing the event ID of every processed webhook and checking for duplicates before processing. It's a non-negotiable part of production webhook handling.
Credentials for third-party integrations are stored in a secrets manager (AWS Secrets Manager, GCP Secret Manager, HashiCorp Vault) rather than in environment variables, application config files, or code. They're retrieved at runtime by the integration component. Rotation procedures are documented for each credential with the steps to update the secret and the downstream systems that consume it. Access to credentials is restricted by the principle of least privilege, only the integration components that need a credential can retrieve it.
A single-service integration (one external API, standard authentication, webhook processing) typically runs $8,000 to $25,000. A complex integration with bidirectional sync, data transformation, conflict resolution, and monitoring typically runs $25,000 to $70,000. Multiple integrations within a single engagement are more efficient than separate projects. Fixed cost agreed before development starts.
Work with us
Tell us what you need. We'll tell you what it would take.
We scope Third-Party API Integration in 30 minutes. You walk away with a clear cost, timeline, and approach. No commitment required.
- Scope and cost agreed before work starts. No surprises. No obligation.
- Working prototype within 3 weeks of kickoff.
- Pay by milestone. You see progress before each invoice.
- 60-day post-launch warranty. Bug fixes, UI tweaks, and deployment support. No retainer.
- All conversations are NDA-protected.