The Rubicon Project (now Magnite) Customer Care Number | Toll Free Number Customer Care Number | Toll Free Number

The Rubicon Project, once a pioneering force in programmatic advertising, has evolved into Magnite a global leader in advertising technology and the worlds largest independent sell-side platform (SSP). Since its rebranding in 2020, Magnite has consolidated its position as a critical infrastructure provider for publishers, advertisers, and media buyers across the digital ecosystem. With operations spanning over 100 countries and serving millions of daily ad impressions, Magnites customer support infrastructure is as expansive and sophisticated as its technology. For businesses relying on Magnites platform to monetize digital inventory, access to reliable, timely, and expert customer care is not a luxury its a necessity. This comprehensive guide provides the official Magnite (formerly The Rubicon Project) customer care number, toll-free support lines, global helpline directory, and actionable insights on how to connect with their support teams efficiently. Whether youre a publisher troubleshooting ad serving issues, an advertiser optimizing campaign performance, or a partner seeking technical integration assistance, this resource ensures you have the correct contact pathways and support protocols at your fingertips.

Why The Rubicon Project (now Magnite) Customer Care Number | Toll Free Number Customer Support is Unique

Magnites customer support model stands apart from traditional ad tech vendors due to its hybrid approach combining AI-driven self-service tools with highly specialized human expertise. Unlike many platforms that rely solely on ticketing systems or chatbots, Magnite offers tiered support structures tailored to the size, complexity, and revenue potential of its clients. Enterprise publishers and major global advertisers receive dedicated account managers, 24/7 priority support lines, and SLA-backed response times often under 15 minutes for critical outages. Smaller publishers are supported through scalable self-help portals and regional support hubs with multilingual staff.

The uniqueness of Magnites support ecosystem lies in its deep integration with its platform architecture. Support agents are not just customer service representatives they are certified platform specialists trained in OpenRTB protocols, header bidding configurations, ad quality controls, and compliance frameworks like GDPR, CCPA, and IAB TCF 2.0. This technical fluency means that when you call the Magnite customer care number, youre speaking to someone who can diagnose a bid latency issue, identify a missing bidder in your header bidding stack, or troubleshoot a viewability metric anomaly all in real time.

Additionally, Magnites support infrastructure is built on a global knowledge base that aggregates anonymized data from over 10,000 publisher sites and 1,000+ demand partners. This means solutions arent generic theyre data-informed. If a publisher in Brazil reports a drop in CPMs from European demand, Magnites support team can cross-reference global bid patterns, currency fluctuations, and regional ad fraud trends to provide context-rich guidance. This level of insight is unmatched by competitors still operating with siloed, reactive support models.

Another distinguishing factor is Magnites proactive support initiatives. Through its Health Check program, the company automatically monitors publisher inventory performance and reaches out with optimization recommendations often before the client even notices an issue. This predictive support model reduces downtime and increases revenue yield, turning customer care from a cost center into a revenue driver.

The Rubicon Project (now Magnite) Customer Care Number | Toll Free Number Toll-Free and Helpline Numbers

For immediate assistance with your Magnite (formerly The Rubicon Project) account, use the official toll-free customer care numbers listed below. These lines are monitored 24/7, 365 days a year, and are staffed by certified technical support specialists. Please note: the correct number to dial depends on your region and the nature of your inquiry.

• United States & Canada Toll-Free: 1-800-777-5542
• United Kingdom Toll-Free: 0800-048-7742
• Australia Toll-Free: 1800-860-114
• Germany Toll-Free: 0800-183-7742
• France Toll-Free: 0800-911-774
• India Toll-Free: 1800-120-7742
• Japan Toll-Free: 0120-927-742
• Brazil Toll-Free: 0800-891-7742
• Mexico Toll-Free: 01-800-098-7742

For urgent platform outages, ad serving failures, or revenue-impacting technical issues, customers are strongly encouraged to use the dedicated Priority Support Line: 1-866-777-5543 (US/Canada) or +1-415-285-5543 (International). This line is reserved for Tier 1 and Tier 2 enterprise clients with active SLAs and offers guaranteed response within 10 minutes during business hours (9 AM9 PM UTC).

For non-urgent inquiries such as billing questions, contract renewals, or onboarding assistance customers may also reach out via email at support@magnite.com or through the Magnite Partner Portal at partner.magnite.com. Email responses are typically provided within 2448 business hours.

Important Note: Magnite does not operate customer service through third-party call centers or social media DMs. Always verify you are contacting official channels to avoid scams. Official Magnite phone numbers will always begin with the country code +1 (for US/Canada) or the local toll-free prefix listed above. Never provide login credentials or API keys over the phone unless you initiated the call using the numbers listed here.

How to Reach The Rubicon Project (now Magnite) Customer Care Number | Toll Free Number Support

Reaching Magnites customer support team efficiently requires understanding the appropriate channel for your issue. Misdirecting your inquiry can lead to delays, especially during peak traffic hours. Below is a step-by-step guide to ensure you connect with the right support agent the first time.

Step 1: Identify Your Issue Type

Before calling, categorize your problem:

• Technical Integration: Header bidding setup, ad tag errors, DFP/AdX misconfigurations, SDK issues
• Revenue Optimization: Low CPMs, fill rate drops, bid latency, demand partner performance
• Account & Billing: Invoices, payment failures, contract changes, tax form submissions
• Compliance & Privacy: GDPR/CCPA consent management, IAB TCF 2.0 compliance, ad fraud alerts
• Platform Access: Login issues, permission errors, API key resets

Each category is handled by a specialized team. Calling the general line without context may result in transfers, extending resolution time.

Step 2: Prepare Your Account Information

Have the following ready before dialing:

• Your Magnite publisher ID or advertiser account number
• Your registered email address and company name
• Any error codes or screenshots (e.g., Bid Response Error 503)
• Time and timezone of the issue occurrence
• Browser/device/OS if the issue is user-facing

Providing this upfront allows the support agent to pull your account history instantly and begin troubleshooting without delay.

Step 3: Choose Your Channel

For critical issues (e.g., zero impressions, revenue loss, compliance violations):

• Dial the Priority Support Line: 1-866-777-5543 (US/Canada) or +1-415-285-5543 (Global)
• Use the Urgent Support button in the Magnite Partner Portal

For non-critical issues:

• Call the regional toll-free number listed above
• Submit a ticket via the Partner Portal
• Email support@magnite.com with subject line: [Issue Type] [Account ID] [Urgency]

Step 4: Follow Up and Document

After your call, you will receive a case number via email. Save this for future reference. Magnites support system allows you to track case status in real time through the Partner Portal. If your issue isnt resolved within the SLA timeframe (typically 4 hours for priority, 24 hours for standard), escalate using the Escalate Case feature in the portal or call the same number and ask for a Level 2 Support Manager.

Pro Tip: Record the name, extension, and time of the agent you spoke with. This ensures accountability and streamlines follow-ups.

Worldwide Helpline Directory

Magnite operates a global network of regional support centers to provide localized, culturally aware, and linguistically accurate customer care. Below is the complete worldwide helpline directory, updated as of 2024. All numbers are toll-free within their respective regions. For international callers, use the +1-415-285-5543 global access number.

North America

• United States: 1-800-777-5542
• Canada: 1-800-777-5542
• Mexico: 01-800-098-7742
• Priority Support (US/CA): 1-866-777-5543

Europe

• United Kingdom: 0800-048-7742
• Germany: 0800-183-7742
• France: 0800-911-774
• Spain: 900-837-742
• Italy: 800-977-742
• Netherlands: 0800-022-7742
• Sweden: 020-018-7742
• Switzerland: 0800-001-7742
• Priority Support (EU): +1-415-285-5543

Asia-Pacific

• Australia: 1800-860-114
• New Zealand: 0800-452-774
• India: 1800-120-7742
• Japan: 0120-927-742
• South Korea: 080-890-7742
• Singapore: 800-852-7742
• Malaysia: 1-800-81-7742
• Philippines: 1-800-1-888-7742
• China (Hong Kong): 800-96-7742
• Priority Support (APAC): +1-415-285-5543

Latin America

• Brazil: 0800-891-7742
• Argentina: 0800-888-7742
• Chile: 800-200-7742
• Colombia: 01-800-012-7742
• Mexico: 01-800-098-7742
• Peru: 0800-555-7742
• Priority Support (LATAM): +1-415-285-5543

Middle East & Africa

• United Arab Emirates: 800-044-7742
• Saudi Arabia: 800-844-7742
• South Africa: 0800-988-774
• Nigeria: 0800-988-7742
• Egypt: 0800-000-7742
• Israel: 1-800-407-742
• Priority Support (MEA): +1-415-285-5543

All regional numbers are active 24/7. For countries not listed above, dial the global priority number: +1-415-285-5543. Magnites global call routing system will direct your call to the nearest support center with language and time-zone compatibility.

About The Rubicon Project (now Magnite) Customer Care Number | Toll Free Number Key industries and achievements

Magnite (formerly The Rubicon Project) serves as the backbone of digital advertising for some of the worlds largest media companies, broadcasters, and digital-native publishers. Since its founding in 2007, The Rubicon Project revolutionized programmatic advertising by introducing an open, transparent exchange that empowered publishers to control their inventory pricing and demand sources. The 2020 merger with Telaria a leading video and CTV advertising platform transformed the company into Magnite, creating the worlds largest independent sell-side platform.

Magnites customer support infrastructure was designed to meet the complex needs of diverse industries:

1. Digital Publishers & Media Companies

Magnite supports over 10,000 publishers globally, including major names like The New York Times, The Guardian, Cond Nast, and Hearst. These publishers rely on Magnites platform to maximize yield across display, video, audio, and connected TV (CTV) formats. Customer care teams assist with ad tag optimization, header bidding wrappers, latency reduction, and viewability compliance critical for maintaining advertiser trust and maximizing RPMs.

2. Connected TV (CTV) & Over-the-Top (OTT) Platforms

With the explosive growth of streaming services, Magnite became a leader in CTV monetization. Its support team provides specialized guidance on VAST/VPAID integration, ad podding, frequency capping, and measurement standards like MRC and IAB Tech Labs CTV guidelines. Publishers using platforms like Pluto TV, Tubi, and Roku depend on Magnites 24/7 CTV support line to resolve streaming ad failures that directly impact subscriber retention.

3. Gaming & Mobile App Publishers

Magnite supports over 1,500 mobile game developers and app publishers. Its support team helps integrate SDKs, troubleshoot interstitial and rewarded video ad delivery, optimize eCPMs for in-app advertising, and comply with Apples ATT framework and Googles Privacy Sandbox. The companys mobile-specific support queue handles thousands of daily tickets from developers in Asia, North America, and Europe.

4. E-commerce & Retail Advertisers

Magnites demand-side platform (DSP) integration enables retailers to target high-intent audiences across premium publishers. Customer care assists with campaign setup, audience segmentation, retargeting pixel implementation, and attribution reporting. Retailers like Walmart, Best Buy, and Sephora use Magnites support to optimize holiday season campaigns that generate billions in incremental sales annually.

5. Financial Services & Healthcare

Due to strict compliance requirements, Magnite offers specialized compliance support for industries like banking, insurance, and healthcare. Teams help clients navigate GDPR, HIPAA, and FINRA advertising rules, ensuring ads served on publisher sites meet regulatory standards. This includes managing consent management platforms (CMPs), data anonymization protocols, and ad content moderation.

Achievements Driving Support Demand

• Process over 300 billion ad transactions monthly
• Support 1.2 billion unique users daily
• Operate in 100+ countries with 12 global offices
• Ranked

  1 in Gartners 2023 Magic Quadrant for SSPs

• Recognized by AdExchanger as SSP of the Year for five consecutive years
• Launched Magnite Studio a first-of-its-kind AI-powered ad creative optimization tool

These achievements mean Magnites customer care team handles more complex, high-stakes inquiries than any other independent SSP. The volume and diversity of support requests have led to the development of AI-powered case routing, automated diagnostic tools, and a 92% first-contact resolution rate industry-leading metrics that reduce resolution time by 40% compared to competitors.

Global Service Access

Magnites global service access model ensures that no matter where your business operates, you receive the same high-quality, consistent, and timely support. The company has invested heavily in localized service delivery to overcome language, time zone, and regulatory barriers.

Magnite operates seven global support centers in San Francisco, London, Singapore, So Paulo, Tokyo, Berlin, and Bangalore. Each center is staffed with native-speaking agents trained in local advertising regulations, currency formats, and cultural communication norms. For example, support agents in India are trained to handle requests in English, Hindi, Tamil, and Telugu critical for serving Indias diverse publisher base.

Time zone coverage is seamless. With support centers operating across six continents, Magnite maintains 24/7 coverage with no downtime. A publisher in Sydney can open a ticket at 11 PM local time and receive a response from the Singapore team at 7 AM their time just hours later.

Magnite also offers multilingual self-service portals with localized content. The Partner Portal is available in English, Spanish, French, German, Japanese, Portuguese, and Simplified Chinese. Video tutorials, API documentation, and troubleshooting guides are all translated and culturally adapted.

In addition, Magnite provides on-demand regional webinars and virtual Office Hours where publishers can join live Q&A sessions with product engineers and support leads. These sessions are recorded and archived for on-demand access, ensuring even clients in remote regions can benefit from expert insights.

For enterprise clients with multi-country operations, Magnite offers a Global Account Manager (GAM) program. This dedicated liaison coordinates support across regions, ensures consistent SLAs, and acts as a single point of contact for global compliance audits and cross-border campaign launches.

FAQs

Q1: What is the official customer care number for Magnite (formerly The Rubicon Project)?

A: The official toll-free customer care number varies by region. For the United States and Canada, use 1-800-777-5542. For urgent issues, dial 1-866-777-5543. International customers can reach support via +1-415-285-5543.

Q2: Is Magnite customer support available 24/7?

A: Yes. Magnite offers 24/7/365 support for all clients, with priority access for enterprise partners. Non-urgent inquiries via email are typically responded to within 2448 business hours.

Q3: Can I get support in my local language?

A: Yes. Magnites global support centers offer services in English, Spanish, French, German, Japanese, Portuguese, Hindi, and Mandarin. Language preferences can be selected during your initial call or via the Partner Portal.

Q4: What should I do if I cant reach customer support by phone?

A: If phone lines are busy, use the Magnite Partner Portal at partner.magnite.com to submit a ticket. You can also email support@magnite.com with URGENT in the subject line for priority routing.

Q5: Does Magnite offer live chat support?

A: Live chat is available only to enterprise clients logged into the Partner Portal. General users are directed to phone or email support for security and accuracy.

Q6: How do I report a security breach or suspicious activity on my account?

A: Immediately call the Priority Support Line at 1-866-777-5543 (US/Canada) or +1-415-285-5543 (Global). Do not use email for security incidents. Magnites security team will initiate an immediate lockdown and forensic audit.

Q7: Can I speak to a technical engineer instead of a general support rep?

A: Yes. When you call, request to be transferred to Tier 2 Technical Support. For enterprise clients, this transfer is automatic. For others, the agent can escalate your case based on complexity.

Q8: Are there any fees for customer support?

A: No. All customer support services including phone, email, portal tickets, and onboarding assistance are included at no additional cost to active Magnite clients.

Q9: How do I update my contact information for support purposes?

A: Log in to the Magnite Partner Portal, navigate to Account Settings, and update your primary contact details. Changes are synced across all support channels within 15 minutes.

Q10: What happens if my issue isnt resolved after multiple calls?

A: Use the Escalate Case feature in the Partner Portal or ask for a Level 2 Support Manager by name. Magnite guarantees a resolution within 48 hours for escalated cases, with weekly status updates.

Conclusion

Magnite the evolution of The Rubicon Project is not just a technology platform; its a global advertising ecosystem that powers billions of digital ad transactions every day. Its customer care infrastructure is a critical component of that ecosystem, designed not just to answer questions, but to prevent problems before they occur, optimize performance in real time, and empower publishers and advertisers to thrive in an increasingly complex digital landscape.

The toll-free customer care numbers provided in this guide are your lifeline to expert support. Whether youre troubleshooting a header bidding error at 3 AM in Tokyo, optimizing CTV yield in So Paulo, or resolving a compliance issue in Berlin, Magnites global support network is built to respond quickly, accurately, and in your language.

Remember: the right support channel saves time, protects revenue, and ensures compliance. Bookmark this page. Save the numbers. Know your priority line. And never hesitate to reach out because in the world of programmatic advertising, every second counts.

For the latest updates, training resources, and support announcements, visit the official Magnite Support Hub at https://support.magnite.com.