Deep dives into API architecture, integration patterns, and engineering best practices
Learn how to connect AI agents to Xero, QuickBooks, and Brex using an MCP server architecture. Master OAuth concurrency, rate limits, and schema normalization.
Compare Truto's declarative JSON/JSONata architecture with Hotglue's Python ETL scripts for embedded B2B integrations. Learn which scales better with less tech debt.
A complete architectural playbook for integrating NetSuite using SuiteQL, REST, and RESTlets. Bypass legacy SOAP, handle TBA auth, and manage strict concurrency.
Migrate from Merge.dev to another unified API without re-authenticating customers: export tokens via /linked-accounts, import into Truto, and validate refresh.
AI agents can write invoices and journal entries to QuickBooks and Xero, but only with strict guardrails. Learn how to handle rate limits, schemas, and idempotency safely.
Learn how to expose Oracle NetSuite and SAP Concur data to AI agents via MCP servers. Handle legacy auth, rate limits, and complex schemas safely without building custom connectors.
Compare StackOne, Composio, Truto, and other managed MCP server platforms for enterprise AI agents in 2026. Includes evaluation rubric, feature map, and test scenarios for 429 handling, OAuth, and TTL servers.
Discover the best solutions for AI agent observability in 2026. Compare LangSmith, Langfuse, Braintrust, and Openlayer, and learn how to trace API tool calls.
Webhook normalization guide covering fast-ack ingestion, claim-check storage, tenant fan-out, idempotency, and real-time calendar sync from Google, Microsoft, and Calendly.
OAuth token management for AI agents connecting to Salesforce and HubSpot. Covers PKCE flows, token refresh lifecycles, scopes, concurrency control, and error handling at scale for B2B SaaS.
How to build native CRM and HRIS integrations at scale using declarative JSONata mappings and per-customer overrides - with Salesforce and BambooHR worked examples.
LLM function calling lets AI agents trigger external APIs via structured JSON. Learn how to architect it for production B2B SaaS with multi-tenant OAuth, rate limits, and pagination.
An MCP server is a standardized bridge between AI models and your SaaS APIs. Learn how the architecture works, why remote deployment wins, and whether to build or buy.
An in-depth guide to API aggregators for B2B SaaS. Learn how they work under the hood, how they compare to unified APIs, and what to look for in 2026.
An embedded iPaaS is white-labeled integration infrastructure inside your SaaS product. Learn how it compares to traditional iPaaS and Unified APIs for B2B.
A proxy API handles auth, pagination, and rate limits for third-party APIs. Learn how it differs from an API gateway, when to use it, and how it fits into SaaS integration architecture.
A common data model normalizes disparate API schemas into one canonical format. This guide covers CDM architecture, CRM data standardization strategies, conflict resolution, and when to build vs. buy.
A deep dive into linked account architecture in unified APIs — covering OAuth token management, tenant-specific overrides, encryption, and per-connection pricing traps.
Directory integrations connect your SaaS app to customer identity providers like Okta and Entra ID for automated user provisioning and deprovisioning. Learn the architecture.
A technical guide to integrating with the ServiceNow REST API in 2026 — covering OAuth 2.0 Client Credentials setup, scoped roles, rate limits, and architectural best practices for B2B SaaS teams.
A complete guide to building a HubSpot integration for AI agents and apps - OAuth scopes, write/upsert APIs, deduplication, Search API limits, and the build vs. buy decision.
A technical guide for engineering teams integrating the Lever API. Covers OAuth 2.0 token lifecycle, offset pagination, rate limits, webhooks, and the Opportunity data model.
Notion's block-based API requires recursive traversal, handles just 3 requests/second, and caps payloads at 1,000 blocks. Here's how to architect a production-ready integration.
A practical guide to integrating with the Greenhouse API — covering Harvest, Ingestion, and Onboarding APIs, auth quirks across v1/v2/v3, RFC-5988 pagination traps, rate limits, and how to ship faster.
Engineering guide to the Zoho Books API: regional domains, the silent 20-refresh-token limit, 100 req/min rate caps, and when to use a unified accounting API.
A technical architecture guide for integrating Stripe with accounting platforms like NetSuite, QuickBooks, and Xero — covering payouts, fees, revenue recognition, and unified APIs.
A technical architecture guide for integrating with the Intercom API — covering OAuth quirks, rate limits, cursor pagination, webhook verification, and how to skip the build entirely.
A technical guide to integrating with the SharePoint API in 2026 — covering Microsoft Graph hierarchies, OAuth with Entra ID, File Picker v8 pitfalls, rate limits, and pagination.
A technical guide to integrating with the Dynamics 365 Dataverse Web API — covering Azure AD OAuth setup, OData quirks, Service Protection rate limits, and architectural shortcuts.
Broken integrations are a top driver of B2B SaaS churn. Learn how declarative configs, automated token management, and override hierarchies turn integrations into a retention driver.
A technical guide to integrating the Microsoft Dynamics 365 Business Central API. Covers OAuth 2.0 via Azure AD, API Pages vs OData, rate limits, and when to build vs. buy.
QuickBooks Desktop has no REST API. Learn how to navigate SOAP, qbXML, and the Web Connector — or skip the legacy stack entirely with a unified accounting API.
A direct technical comparison of Merge and Apideck for B2B SaaS teams — covering architecture, pricing math, customization limits, and real-time data gaps.
Sage Intacct requires two separate APIs, multi-layer auth, strict concurrency limits, and manual timezone handling. A technical guide covering the real challenges and build-vs-buy trade-offs for B2B SaaS teams.
API deprecations drain engineering time. Learn monitoring, contract tests, and declarative architecture to absorb breaking changes across 50+ integrations.
Evaluating unified APIs? Understand the security risks of third-party data caching, credential exposure, and webhook vulnerabilities — and how to pass enterprise InfoSec reviews.
AI agents burn through SaaS API quotas fast. Learn adaptive concurrency, batching, caching trade-offs, and operational patterns to handle rate limits at scale.
Architect a pass-through unified API with zero data retention, regional residency guarantees, PII masking, and published retention windows for enterprise audits.
B2B SaaS companies are ditching Zapier for customer-facing integrations. Here's why task-based pricing, UX friction, and technical ceilings are driving the migration to unified APIs.
REST APIs use incompatible pagination methods - cursor, offset, page, link headers. Learn how unified APIs normalize these into one interface your team codes against once.
Learn how to normalize data models across CRMs and SaaS apps into a unified schema. Covers declarative mappings, custom fields, deduplication recipes with SQL examples, and canonical ID architecture.
Compare integration platforms for high-volume API workloads with cost benchmarks, latency analysis, and rate-limit strategies. See what 2M+ monthly requests actually costs across pricing models.
Stop losing customers to silent OAuth failures. Build production-ready token refresh with distributed locks, proactive alarms, graceful degradation, and post-connection UI that maps backend events to user actions.
Learn the scalable architectural pattern for handling Salesforce custom fields (__c) across enterprise customers using data-driven mapping instead of brittle per-customer code.
Pull real-time CRM data into LLM prompts via proxy APIs. Covers raw vs. normalized schemas, prompt templates for vendor fields, PII handling, MCP, and avoiding the connector tax.
Build real-time calendar sync with no data storage. Hands-on code, webhook handling, and OAuth patterns for Google and Outlook via a unified pass-through API.
Learn how to normalize pagination, errors, and rate limits across 50+ APIs with end-to-end examples: OAuth setup, real-time unified API calls, webhooks, and enterprise retry patterns.
Compare embedded iPaaS and unified APIs for B2B SaaS integrations. Learn the real architectural trade-offs, maintenance costs, and when to use each approach.
Learn how to securely connect AI agents to SaaS platforms and financial APIs like Plaid. Covers least-privilege scoping, zero-storage proxying, token lifecycle management, and human approval flows.
Architect multi-tenant OAuth token management: single-flight refresh, per-account mutex locks, AES-256-GCM encryption, and BYO-OAuth portability.
