How to Connect AI Agents to Brex: Automate Expense Management via MCP
Step-by-step guide to connecting AI agents to Brex expense data via MCP. Includes JSON-RPC examples, OAuth token refresh, cursor pagination, and troubleshooting.
Roopendra Talekar
Co-founder at Truto. An engineer's engineer who finds genuine delight in making complex systems feel effortless. Leads the technical architecture, ensuring that every API call, every migration, and every data sync runs like a well-oiled machine.
272 articles
846,443 words published
Articles
Per-Customer Data Model Customization Without Code: The 3-Level JSONata Architecture
Learn how a 3-level declarative override architecture (platform, environment, account) lets B2B SaaS teams handle infinite enterprise schema variations without code.
Declarative Data Sync Pipelines: Ship Integrations as Config, Not Code
Replace warehouse-centric ETL with declarative pass-through sync pipelines. Complete guide with manifests, JSONata mappings, checkpoints, overrides, and a migration checklist.
How to Migrate from Apideck Without Re-Authenticating End Users
A step-by-step technical guide to migrating from Apideck without re-authenticating users - covering OAuth token export, API key extraction, credential import, testing, rollback strategy, and security.
Zero Data Retention for AI Agents: Why Pass-Through Architecture Wins
How to standardize ATS API responses for safe LLM consumption using pass-through architecture, PII redaction, webhook security, and zero data retention.
Connect Apache Airflow to ChatGPT: Manage Access via MCP
Learn how to connect Apache Airflow to ChatGPT using a managed MCP server to automate user provisioning, role management, and access control.
Connect Anthropic to ChatGPT: Optimize AI Content & Prompting via MCP
Learn how to connect Anthropic to ChatGPT using a managed MCP server. Automate prompt engineering, manage workspaces, and execute batch tasks without custom code.
Connect Airtable to ChatGPT: Manage Records & Automate Database Tasks via MCP
Learn how to connect Airtable to ChatGPT using a managed Model Context Protocol (MCP) server. Automate record management, schema updates, and base administration.
How to Build a HubSpot Integration: 2026 Architecture Guide
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.
How to Integrate with the Microsoft Dynamics 365 CRM API (2026 Guide)
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.
How to Integrate with the Notion API: Architecture Guide for B2B SaaS
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.
How to Integrate the Stripe API for Accounting (2026 Architecture Guide)
A technical architecture guide for integrating Stripe with accounting platforms like NetSuite, QuickBooks, and Xero — covering payouts, fees, revenue recognition, and unified APIs.
How to Integrate with the Pipedrive API (2026 Engineering Guide)
A technical guide to building reliable Pipedrive API integrations in 2026, covering token-based rate limits, 40-character custom field hashes, OAuth 2.0, and pagination quirks.
How to Integrate with the QuickBooks Online API (2026 Guide)
A practical guide to integrating with the QuickBooks Online API: OAuth 2.0 token management, rate limits, webhook quirks, and the new Intuit App Partner Program pricing.
Connect Jira to ChatGPT: Automate Issue Tracking & Task Updates
Learn how to connect Jira to ChatGPT using a managed Model Context Protocol (MCP) server. Automate ticket triage, issue updates, and IT workflows without building custom API integrations.
How to Build a QuickBooks Desktop Integration (Without SOAP or XML)
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.
How to Architect a Microsoft Dynamics 365 Business Central API Integration
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.
How to Integrate with the Xero API: A Guide for B2B SaaS
A technical guide to building a production-grade Xero API integration, covering OAuth 2.0 token management, rate limits, webhook validation, and the 2026 pricing shift.
How to Integrate with the Sage Intacct API: A Guide for B2B SaaS
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.
How to Survive API Deprecations Across 50+ SaaS Integrations
API deprecations drain engineering time. Learn monitoring, contract tests, and declarative architecture to absorb breaking changes across 50+ integrations.
How to Reduce Technical Debt from Maintaining Dozens of API Integrations
Integration debt compounds silently. Learn why 95% of IT leaders struggle with integrations and how declarative unified API architectures eliminate provider-specific code entirely.
How to Handle Custom Salesforce Fields Across Enterprise Customers
Learn the scalable architectural pattern for handling Salesforce custom fields (__c) across enterprise customers using data-driven mapping instead of brittle per-customer code.
How to Ensure Zero Data Retention When Processing Third-Party API Payloads
Architect a pass-through unified API with zero data retention, regional residency guarantees, PII masking, and published retention windows for enterprise audits.
How to Normalize Pagination and Error Handling Across 50+ APIs Without Building It Yourself
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.
How to Safely Give AI Agents Access to Third-Party SaaS Data
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.
What is the Best Way to Normalize Data Models Across Different CRMs?
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.
Embedded iPaaS vs. Unified API: The B2B SaaS Architecture Guide
Compare embedded iPaaS and unified APIs for B2B SaaS integrations. Learn the real architectural trade-offs, maintenance costs, and when to use each approach.
Finding an Integration Partner for White-Label OAuth & On-Prem Compliance
Enterprise deals die when your integration layer fails security review. Here's how to evaluate partners for white-label OAuth, zero-data retention, and VPC deployment.
The Most Requested Integrations for B2B Sales Tools in 2026
The complete list of most requested integrations for B2B sales tools in 2026: CRMs, ERPs, telephony, marketing automation, helpdesks - with an MVP prioritization checklist for PMs.
How to Pass Enterprise Security Reviews When Using 3rd-Party API Aggregators
Enterprise deals die when your API aggregator stores customer data. Here's a step-by-step guide to passing vendor security reviews - with checklists, technical verification steps, and the artifacts procurement actually demands.
Connect Zendesk to AI Agents: Automate Support Ops & Data Sync
Learn how to connect Zendesk to AI agents using Truto's /tools endpoint. Skip hand-written schemas and custom wrappers to automate support operations.
How to Choose a Unified API Provider: The Ultimate Evaluation Guide
A technical evaluation framework for choosing a unified API - covering CRUD support, custom fields, proxy escape hatches, webhooks, high-throughput pricing, and rate limit handling at scale.
How to Integrate Multiple ATS Platforms (Greenhouse, Lever, Workable)
Learn how to integrate Greenhouse, Lever, and Workable APIs with concrete field mapping tables, cursor translation patterns, and LLM-ready response normalization via a unified ATS API.
Building Native CRM Integrations Without Draining Engineering in 2026
Ship native CRM and HRIS integrations to Salesforce, HubSpot, Workday, and BambooHR without draining engineering. Covers auth patterns, costs, PM triage checklist, and build vs. buy.
The Best Unified Accounting API for B2B SaaS and AI Agents (2026)
Compare Truto vs Rutter unified APIs for commerce and accounting. Side-by-side on writes, NetSuite depth, custom fields, AI agent support, caching, and pricing.
ETL Workflows Using Unified APIs: Solving the Bulk Extraction Problem
Learn how to pull user lists from every customer SaaS app through a unified API with incremental sync, rate-limit strategies, identity resolution, and zero data retention.
The Best Unified Calendar API for B2B SaaS and AI Agents (2026)
A technical guide to choosing a unified calendar API for Google Calendar, Outlook, and Apple Calendar in 2026. Real-time sync, provider parity, and MCP for AI agents.
How to Pull User Lists from Any SaaS App with a Unified Directory API
Stop hardcoding point-to-point API connectors. Learn how to extract users, roles, and access levels across 100+ SaaS apps using a single unified directory schema.
Architecting Real-Time CRM Syncs for Enterprise: A Technical Guide
Technical guide to real-time CRM sync: request-time unified APIs, latency SLAs, OAuth token handling, SOC 2 Type II and ISO 27001 for enterprise B2B SaaS.
The False Dichotomy of Product Integrations: Speed vs. Depth
Are you forced to choose between the speed of a unified API and the depth of an embedded iPaaS? Here is why that tradeoff is an architecture problem, not a rule.
Architecting AI Agents: LangGraph, LangChain, and the SaaS Integration Bottleneck
Learn how to build scalable, multi-step AI agents using LangGraph and LangChain while solving the hardest part of agentic workflows: SaaS API integration.
From Alert Fatigue to Automated Remediation: Architecting Cross-Platform Ticketing
Alert fatigue is crushing security teams. Learn how to architect a universal remediation engine using Unified APIs to automate ticket creation across Jira, ServiceNow, and Linear.
Breaking the SOX Barrier: Automating Financial Controls with Unified Accounting APIs
To support public companies, GRC platforms must automate SOX financial controls and meet strict security requirements. Here is the architecture - and the security reviewer checklist - for automating Journal Entry Testing and 3-Way Matching using Unified APIs.
Closing the Loop on Privacy: Automating DSAR Verification with Unified APIs
Manual DSAR processing costs companies $1,500+ per request. Learn how to architect automated 'Right to be Forgotten' verification using Unified APIs.
Moving Past Checkboxes: Automating Immutable Policy Evidence
Simple checkboxes for policy acknowledgement no longer satisfy enterprise auditors. Learn how to automate legally binding e-signatures using Unified APIs.
Catching Shadow IT: How GRC Platforms Use Accounting APIs for Real-Time VRM
Learn how GRC platforms use Unified Accounting APIs to detect shadow IT in real-time by analyzing expenses, bypassing the limitations of IdP and MDM logs.
Look Ma, No Code! Why Truto’s Zero-Code Architecture Wins
See how Truto adds new API integrations without deploying code - JSON blueprints, JSONata mappings, and live patches for breaking API changes.
The Zero-Touch IT Audit: Automating Device Posture and Policy Evidence
Stop chasing manual screenshots for SOC 2 audits. Learn how to use Unified APIs to automate device posture checks, policy verification, and evidence collection.
Scaling GRC Integrations: Why Compliance Platforms Are Abandoning Point-to-Point Connectors
GRC platforms need 40+ integrations to be viable, but maintaining them is an engineering nightmare. Here is the math behind why leaders are switching to Unified APIs.
OAuth at Scale: The Architecture of Reliable Token Refreshes
Real-time calendar sync via OAuth webhooks without storing data: token refresh, mutex concurrency, subscription renewal, and recovery playbooks.