11x Accused of Inflating Customer Roster Amid High Churn Reports

Figure 1: Visual representation of the BeyondTrust vulnerability chain

AI-powered sales automation startup 11x is facing serious allegations regarding its customer claims and business practices, according to an investigation published on March 24, 2025. The company, which raised $24 million in Series A funding from Benchmark and $50 million in Series B funding from Andreessen Horowitz (a16z) in September 2024, has allegedly been listing companies as customers on its website without their authorization.

Nearly two dozen sources, including investors and current and former employees, told TechCrunch that 11x has experienced significant financial struggles. ZoomInfo confirmed to the publication that it is not a customer of 11x despite its logo appearing on the startup's website, with ZoomInfo's legal counsel threatening action over the unauthorized use. Airtable similarly confirmed it is not a customer, stating the company only conducted a "very short" trial of 11x's services.

Former employees have alleged that 11x experiences customer churn rates between 70 and 80 percent, raising questions about the sustainability of its business model. The allegations come at a time when the AI sales development representative (SDR) market has attracted substantial venture capital investment, with multiple startups competing to automate outbound sales functions.

The situation raises broader questions about due diligence practices in venture capital and the verification of startup claims during fundraising processes. At the time of reporting, 11x had not publicly addressed the specific allegations regarding unauthorized customer logos.

The investigation into 11x's business practices emerged through reporting by TechCrunch journalists Dominic-Madori Davis and Marina Temkin, published on March 24, 2025. The reporters spoke with nearly two dozen sources familiar with the company's operations.

According to the report, 11x appeared to be on an "explosive growth trajectory" throughout 2024. The company secured a $24 million Series A round led by Benchmark, followed by a $50 million Series B round led by a16z in September 2024. These funding rounds positioned 11x as a significant player in the AI SDR market.

The investigation revealed that multiple companies listed as customers on 11x's website denied having business relationships with the startup. ZoomInfo, a prominent B2B data and intelligence platform, confirmed it is not an 11x customer. The company's legal counsel has reportedly threatened action against 11x for the unauthorized use of its logo.

Airtable, the collaborative database platform, also confirmed it is not a customer. A representative told TechCrunch that Airtable had only conducted a "very short" trial of 11x's services before deciding not to proceed.

Former employees provided additional context about the company's internal challenges. Multiple sources alleged that 11x experiences customer churn rates between 70 and 80 percent, suggesting significant difficulties in retaining clients after initial acquisition.

Figure 2: How the authentication bypass vulnerability works

The TechCrunch investigation presents several specific claims supported by named or attributed sources:

Unauthorized Customer Claims: ZoomInfo and Airtable both confirmed directly to TechCrunch that they are not 11x customers, despite their logos appearing on the company's website. ZoomInfo's confirmation came with the additional detail that legal counsel had threatened action.

High Churn Rates: Former employees alleged churn rates between 70 and 80 percent. The specific range suggests multiple sources provided similar estimates, though the exact methodology for calculating these figures was not detailed in the report.

Financial Struggles: Nearly two dozen sources, including investors and current and former employees, described financial difficulties at the company. The breadth of sources across different stakeholder groups lends weight to these claims.

Funding History: 11x's funding rounds are documented through standard venture capital disclosure channels. The $24 million Series A from Benchmark and $50 million Series B from a16z represent verified financial transactions.

The company's product, an AI-powered sales development representative, is designed to automate outbound sales functions including prospecting, email outreach, and initial qualification conversations.

The AI SDR market that 11x operates in does present legitimate opportunities for businesses seeking to scale sales operations:

Automation Potential: AI-powered sales tools can theoretically handle repetitive outreach tasks at scale, freeing human sales representatives to focus on relationship building and complex negotiations.

Cost Efficiency: For companies with large outbound sales requirements, automated SDR tools could reduce the cost per qualified lead compared to fully human-staffed operations.

Consistency: Automated systems can maintain consistent messaging and follow-up cadences that human teams sometimes struggle to sustain.

Data Integration: AI SDR platforms can potentially integrate with CRM systems and sales intelligence tools to personalize outreach based on prospect data.

The venture capital interest in this space, evidenced by the substantial funding rounds 11x secured, reflects genuine market demand for sales automation solutions.

Figure 3: Privilege escalation from user to SYSTEM level

The allegations against 11x illuminate several risks in the AI sales automation space and startup ecosystem more broadly:

Verification Challenges: The unauthorized customer logo allegations demonstrate how difficult it can be for prospects, investors, and partners to verify startup claims. Customer logos on websites are often taken at face value without independent confirmation.

Churn Sustainability: If the alleged 70-80 percent churn rates are accurate, they would indicate fundamental problems with product-market fit or service delivery. Such rates would require constant new customer acquisition simply to maintain revenue levels.

Due Diligence Gaps: The fact that prominent venture capital firms invested significant capital raises questions about the depth of customer reference checks during fundraising due diligence.

Market Saturation: The AI SDR space has attracted numerous competitors, potentially leading to aggressive marketing claims as startups compete for attention and funding.

Reputational Risk: Companies whose logos are used without authorization face potential reputational damage through association with products or services they do not endorse.

AI SDR platforms like 11x's product typically operate through several integrated components:

Prospect Identification: The system identifies potential customers through integration with B2B databases, LinkedIn, company websites, and other data sources. Machine learning models score prospects based on likelihood to convert.

Personalized Outreach: Natural language generation creates customized email sequences and messages based on prospect data, industry, role, and other attributes. The goal is to mimic human-written communication.

Response Handling: AI systems can interpret incoming responses, categorize them (interested, not interested, out of office, etc.), and route appropriately. Some platforms attempt to handle initial qualification conversations.

CRM Integration: Data flows between the AI SDR platform and customer relationship management systems to track interactions and update prospect records.

Technical Context (Optional): The underlying technology typically combines large language models for text generation with traditional machine learning for scoring and classification. The quality of output depends heavily on training data, prompt engineering, and integration with accurate prospect data sources.

The effectiveness of these systems varies significantly based on implementation quality, data accuracy, and the complexity of the sales process being automated.

The 11x situation carries implications that extend beyond a single startup's challenges:

Venture Capital Accountability: The allegations raise questions about how thoroughly venture capital firms verify customer claims during due diligence. When prominent firms like Benchmark and a16z invest, their involvement often serves as a signal of legitimacy to other stakeholders.

Startup Ecosystem Trust: Unauthorized use of customer logos, if proven, represents a breach of trust that could make companies more hesitant to engage with early-stage startups for trials or pilots.

AI Hype Cycle Scrutiny: As AI-powered business tools proliferate, this case may prompt more rigorous evaluation of claims made by AI startups. The gap between marketing promises and delivered value has been a recurring theme in enterprise software.

Customer Reference Practices: The situation may lead to changes in how companies manage their brand usage by vendors and partners, potentially requiring more formal authorization processes.

Market Correction Signals: High churn rates and customer verification issues at a well-funded startup could indicate broader challenges in the AI SDR market that may affect competitor valuations and funding prospects.

Confirmed:

• 11x raised $24 million Series A from Benchmark and $50 million Series B from a16z in September 2024
• ZoomInfo confirmed it is not an 11x customer and its legal counsel has threatened action
• Airtable confirmed it is not a customer and only conducted a "very short" trial
• Nearly two dozen sources spoke to TechCrunch about the company's challenges

Remains Unclear:

• The exact number of companies whose logos were used without authorization
• Whether 11x had any formal agreement or understanding with the companies whose logos appeared on its website
• The precise churn rate figures and how they were calculated
• 11x's response to the specific allegations (the company's public response, if any, was not detailed in the available reporting)
• Whether investors were aware of customer verification issues before or after their investments
• The current status of any legal proceedings related to unauthorized logo usage

At the time of reporting, the full scope of the situation was still being assessed.

Several developments could provide additional clarity on this situation:

Company Response: Any official statement from 11x addressing the specific allegations would provide important context. The company's explanation for the customer logo discrepancies would be particularly relevant.

Investor Actions: Whether Benchmark and a16z take any public position or action regarding their portfolio company could signal the severity of the situation from an investor perspective.

Legal Proceedings: If ZoomInfo or other companies pursue formal legal action, court filings would provide additional documentation of the allegations and any defenses.

Customer Logo Changes: Monitoring 11x's website for removal or addition of customer logos could indicate the company's response to the allegations.

Competitor Dynamics: How other AI SDR startups position themselves in light of these allegations may affect market dynamics and customer trust in the category.

Industry Standards: Whether this situation prompts any industry discussion about customer reference verification standards or logo usage policies.

The outcome of this situation could influence how startups, investors, and enterprise customers approach verification and trust in the technology sector.