PredictLeads vs StackWho
PredictLeads
predictleads.comStackWho
stackwho.comSide by side
| Figure | PredictLeads | StackWho |
|---|---|---|
| Price from | $0.01/mo | $79/mo |
| Free plan | Yes | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | — |
| Self-hosted | Yes | — |
| Plans published | 11 | 2 |
| Spec score · Technographic Data Software | 9.0 (#3) | 7.1 (#27) |
| Data freshness | PredictLeads says news sources can be recrawled every eight minutes, job data is refreshed at least every 36 hours, and other company sites are checked on average daily. | The company says it rescans company websites weekly and refreshes company metadata on the same cycle. |
| Product | PredictLeads offers structured company intelligence for AI agents through MCP, APIs, webhooks, and flat files. | StackWho helps users find companies by their technology stacks and reach decision makers with verified contact details. |
| Security | PredictLeads says it maintains SOC 2 Type II certification and encrypts customer data in transit. | StackWho says account data and saved lists are encrypted at rest and in transit, and that Stripe processes payments while StackWho does not store card details. |
| Support | The pricing page lists 24/7 support for full flat file access and for usage tiers above 10,000 calls. | The contact page says StackWho aims to respond to messages within 1–2 business days. |
Plans
PredictLeads
- 100,001-500,000 API CallsFree
- 100,001–500,000 API CallsFree
- 100 API credits FreeFree
- 500,001+ API CallsFree
- 10,001-100,000 API Calls$0.01 a month
- 10,001–100,000 API Calls$0.01 a month
- 5,001-10,000 API Calls$0.02 a month
- 5,001–10,000 API Calls$0.02 a month
- 101–5,000 API Calls$40 a month
- 101-5,000 API Calls$400.04 a month
In their own words
PredictLeads
PredictLeads provides structured company intelligence for AI agents through MCP, APIs, webhooks, and flat files. Its firmographic dataset covers 120M+ companies and may include descriptions, tickers, locations, and corporate hierarchies. News data spans 20M+ PR sites, news outlets, and blogs, with events sorted into 37 types. Job-posting data covers 2.7M+ companies and includes full descriptions, ONET codes, and salary details. Other datasets cover technographics, financing events, products, key customers, and similar companies. Delivery options include REST APIs, downloadable flat files, MCP, and real-time webhooks; listed integrations include Postman, n8n, Make.com, Clay, ActivePieces, Apify, ChatGPT, Claude, and Polytomic. The service has API, self-hosted, and web platforms. PredictLeads lists a free plan with up to 100 free API calls per month and paid access from $40/mo. Unused credits expire each billing period, and requests beyond the monthly credit limit return a 402 error. The company says it maintains SOC 2 Type II certification and encrypts customer data in transit.