Blog
Vendor-stack data, GTM plays, agent integrations, and notes on how the extraction pipeline actually works.
Vendor Stack API: Building Tech Stack Enrichment for Account-Based Marketing
A technical guide to enriching ABM target accounts with tech stack data, building vendor-based account lists, and automating stack detection in ABM workflows.
Read →Vendor Stack API: Building Integration Health Monitoring and Dependency Tracking
A technical guide to using tech stack APIs to monitor which third-party vendors your customers depend on, surface integration risks, and build proactive support workflows.
Tech Stack Lookup API: Building Vendor Moat Analysis and Competitive Positioning Tools
How to programmatically analyze vendor adoption patterns across markets to identify competitive moats, measure market penetration, and track technology displacement trends using tech stack data.
Tech Stack Lookup API: Building Account Scoring Models with Vendor Categories
How to build scoring models that evaluate accounts by vendor category presence rather than individual tools—detecting infrastructure maturity, GTM sophistication, and buying signals programmatically.
Tech Stack Lookup API: Building Vendor-Based Segmentation for Email Campaigns
How to segment email lists by vendor usage, personalize outreach with tech stack data, and build automated campaigns triggered by stack patterns.
Find Companies Using a Vendor: Implementation Guide for Reverse Tech Stack Lookup
A technical guide to building reverse vendor lookup into your sales and product workflows, with real implementation patterns and code examples.
Tech Stack Lookup API: Building Vendor Change Detection and Alerts
How to build automated systems that detect when prospects adopt, replace, or remove vendors from their tech stack using deterministic API lookups.
Tech Stack Lookup API: Building Vendor Migration Lists for Sales Outreach
A technical guide to identifying companies likely to switch vendors by detecting competitor usage, contract renewal patterns, and multi-vendor overlap with tech stack APIs.
Tech Stack Lookup API: Layering Vendor Signals with Firmographic Data for Better Lead Scoring
How to combine tech stack data from VendorStacks with firmographic attributes to build multi-dimensional lead scoring models that outperform single-signal approaches.
Tech Stack Lookup API: Building Lead Scoring Models with Vendor Data
A technical guide to incorporating tech stack data into lead scoring systems, with implementation patterns for scoring prospects based on vendor usage, stack sophistication, and technology fit.
Tech Stack Lookup API: Filtering Prospects by Infrastructure and Vendor Combinations
How to build prospect filters using tech stack data to find companies running specific vendor combinations, infrastructure patterns, or technology profiles.
What Tech Stack Does a Company Use? 4 Public Evidence Methods That Actually Work
A technical breakdown of how to deterministically detect vendor usage from public web presence—DNS records, script tags, subresource URLs, and legal disclosures.
Tech Stack Lookup API: Building Vendor-Triggered Workflows and Automations
A technical guide to building automated workflows that trigger based on a company's tech stack—from Slack alerts to CRM updates to custom scoring logic.
Tech Stack Lookup API: Filtering Leads by Vendor Combinations and Stack Patterns
How to use tech stack lookup APIs to find companies matching specific vendor combinations—like Stripe + Salesforce or OpenAI + Snowflake—for targeted outreach and market segmentation.
Technographic Data API: Building Market Maps and Tracking Vendor Adoption Programmatically
How to use a tech stack lookup API to build market maps, track vendor adoption trends, and analyze competitive landscapes with real technographic data.
Tech Stack Lookup API: Building Real-Time Vendor Detection Into Your Application
A technical guide to implementing live tech stack detection using the VendorStacks API, with code examples for both cached lookups and on-demand scanning.
Tech Stack API for Competitive Intelligence: Tracking Vendor Adoption Across Your Market
How to use tech stack lookup APIs to monitor competitor tooling, identify market trends, and build defensible competitive analysis from public vendor evidence.
What Tech Stack Does a Company Use? Building Automated Detection Into Your Application
A technical guide to programmatically answering "what tech stack does a company use" with API-based vendor detection, including implementation patterns and real code examples.
Reverse Tech Stack Lookup: How to Build Prospect Lists from Vendor Usage Data
A technical guide to reverse tech stack lookup—finding all companies using a specific vendor. Includes API implementation, filtering strategies, and real-world GTM workflows.
Technographic Data API: 7 Real-World Use Cases Beyond Lead Generation
A technical exploration of how engineering and GTM teams use technographic data APIs for competitive intelligence, product roadmaps, integration prioritization, and market analysis.
Enriching CRM Records with Tech Stack Data: A Technical Implementation Guide
A step-by-step guide to automatically enriching Salesforce, HubSpot, and other CRM records with real-time tech stack data using the VendorStacks API.
Building ICP Scoring with Tech Stack Data: A Technical Guide
Learn how to programmatically score leads using vendor stack detection—combining technographic signals with your ideal customer profile for more accurate targeting.
Find Companies Using OpenAI, Anthropic, or Any AI Vendor: A Technical Guide to AI Tech Stack Intelligence
How to programmatically identify companies using specific AI vendors like OpenAI and Anthropic through public evidence, with practical use cases for GTM teams and integration patterns.
Tech Stack Lookup API Integration Guide: Adding Vendor Detection to Your Product
A practical guide for engineering teams integrating tech stack lookup into CRMs, sales tools, and data platforms, with code examples and architectural patterns.
Tech Stack Detection API: How VendorStacks Finds Vendors from Public Evidence
A technical deep-dive into how tech stack detection works, what evidence sources are reliable, and how to use the VendorStacks API to extract vendor intelligence deterministically.
Building Vendor Intelligence Into Sales Tools: A Technical Implementation Guide
How to embed real-time tech stack detection into your sales workflow using the VendorStacks API, with code examples for common integration patterns.
Find Companies Using a Vendor: Building Prospect Lists from Tech Stack Data
A technical guide to reverse technographic lookup—querying an API to find which companies use specific vendors, with real examples and filtering strategies.
What Tech Stack Does a Company Use? A Developer's Guide to Programmatic Detection
Learn how to programmatically answer 'what tech stack does a company use' with API-based vendor detection, including code examples and real detection methods.
Technographic Data API: A Technical Guide to Vendor Detection and Tech Stack Intelligence
How technographic data APIs work under the hood, what they can and can't detect, and how to integrate vendor detection into your GTM and product workflows.
Tech Stack Lookup API: How to Programmatically Detect What Technologies Companies Use
A technical guide to using tech stack lookup APIs to detect vendor usage from public web data, with code examples and use cases for GTM and product teams.
Vendor due diligence: what a company's own stack tells you
For procurement, security review, and investors: how to read a vendor's published dependencies before you sign, what concentration risk looks like, and how to write it up defensibly.
Finding integration and partner targets with co-occurrence data
A BD guide to ranking integration candidates by how often a vendor co-occurs with your own customers — the arithmetic, the lift correction, and how to turn the ranking into a partner conversation.
A Meta Ads → enrichment → scoring pipeline that actually routes leads
Wire Meta lead ads to People Data Labs and VendorStacks, combine person, company and stack signals into one score, and route the result — with the code for each step.
Giving your AI agent a due-diligence tool
How to wire VendorStacks into an agent: self-provisioned keys, a function-calling definition that encodes cost discipline, and a 402 paywall designed for agent-to-human handoff.
Catching churn risk when a competitor appears in your customer's stack
A Customer Success guide to periodic re-scans: snapshot your customer base, diff vendor stacks over time, and alert on the changes that matter — with an honest account of detection lag.
12 things GTM teams can do with a vendor-stack API
Territory carving, competitive displacement, ICP scoring, churn signals, partner sourcing — concrete plays you can run once you know which vendors a company actually uses.
Refining your ICP with stack data instead of guesses
Take your closed-won accounts, enrich them, and find the vendor patterns that actually correlate with winning — then turn the pattern into a lookalike filter. Including the sample-size caveats nobody mentions.
Segmenting your TAM by tech stack — a GTM recipe
A worked workflow: reverse-look-up entities by vendor, enrich each account with its full stack, and route segments to the right sequence — with real API calls at every step.
The competitive displacement playbook
For sales leaders: build a displacement list from a reverse lookup, segment it by stack shape, design the sequence around cited evidence, and handle the objections it provokes. With credit math for 500 accounts.
Outbound research: from a domain to a first line that lands
How an SDR turns a vendor stack and its quoted evidence into an opener the prospect can verify — plus the message structure, and a hard rule about never bluffing a signal you don't have.
Lead enrichment that tells you what a prospect actually runs
A RevOps guide to adding vendor-stack data to inbound lead enrichment: domain extraction, field mapping, what to write back to the CRM, and the cost math at 5,000 leads a month.
Introducing VendorStacks: the vendor-stack intelligence API
One API call returns which vendors an entity runs — structured, evidence-backed, deterministic. Here's what we built, how the credit economics work, and what's in the corpus today.
Vendor enrichment in Zapier (and Make)
Zaps are priced per task, so the trick is spending them well: filter before you enrich, use the index-only endpoint so nothing times out, and store the evidence URL where a rep will see it.
A vendor-enrichment workflow in n8n
Node-by-node: trigger, HTTP Request to the vendor-stack API, an IF branch on the found flag, a scoring Set node, and batched writes to your CRM — with timeouts and rate limits handled.
Enriching Clay tables with vendor-stack data
A step-by-step recipe for adding a vendor-stack enrichment column to a Clay table: the HTTP request config, the JSON field mapping, handling misses, and scoring the result.
Every SaaS company publishes its vendor list. Almost nobody reads it.
Companies name their own vendors all over their public web presence — trust centers, security pages, legal and compliance docs. It's the highest-signal public data about a company's stack, and it goes almost entirely unread.