Hi Retell Team, I was charged $350.97 on January 29 for “concurrency x80” due to an accidental, brief adjustment of the concurrent calls limit caused by UI lag. The limit was immediately reverted back to 20. I’m also seeing an upcoming invoice of $698.51, which appears related to the same unintend…

Hello @Ai_Pro_Partner_Team , Can you tell me what email you sent it from, and I will forward your ticket to the billing team.

I understand you’re experiencing billing issues related to an accidental concurrency limit adjustment. Based on the available documentation, concurrency in Retell AI refers to the number of simultaneous active voice calls that can be handled by your system at any given moment (1) . Pay-As-You-Go users…

Hi, I submitted a support request here then got directed to email support@retellai.com so I did, but then email directed me to message here.

Hi I am having the same Issue can you please help me in this

@Omar_Ashraf can you please help me in this kind of issue I was charged $1380.86 on Feb 06 2026 for “concurrency x179” due to an accidental, brief adjustment of the concurrent calls limit caused by UI lag. The limit was immediately reverted back to 20. I’m also seeing an invoice of $1380.86 thr…

I understand you’re experiencing billing issues related to an accidental concurrency limit adjustment from 20 to 179 concurrent calls (1) . This situation is similar to other reported cases where UI lag caused unintended concurrency changes (2) (3) (4) . Based on the available information, when you incre…

[image] Omar_Ashraf: Can you tell me what email you sent it from, and I will forward your ticket to the billing team. @Omar_Ashraf I was charged $1380.86 on Feb 06 2026 for “concurrency x179” due to an accidental, brief adjustment of the concurrent calls limit caused by UI lag. The limit was…

I understand you’re experiencing billing issues related to an accidental concurrency limit adjustment from 20 to 179, resulting in charges of $1380.86 that appear multiple times on invoices dated February 6, 2026. For billing and refund requests related to accidental charges, you should contact Ret…

Hello @satish2352test Please create a new ticket.

@Omar_Ashraf created new ticket [image] Incorrect concurrency charge and upcoming charges exclamation_question_markSupport Help @Omar_Ashraf can you please check I was charged $1380.86 on Feb 06 2026 for “concurrency x179” due to an accidental, brief adjustme…

Urgent: Incorrect Concurrency Charge and Upcoming Invoice Review

Support Help

satish2352test February 6, 2026, 9:28pm 11

@Omar_Ashraf created new ticket

Above is a link

Can you please look into this

Thanks

Topic		Replies	Views
Incorrect concurrency charge and upcoming charges Support Help account-and-billing	1	12	February 6, 2026
Invoice already paid but demanding more Support Help	18	59	February 5, 2026
Subject: Refund Request – Unexpected Simulation Charges ($222.22 Paid + $43.13 Upcoming) Ask Retell Partners	1	18	February 17, 2026
Verified Phone Number Set up verification says ($10.00/month) But I'm getting charged $100? (For the second month) Support Help account-and-billing	6	16	March 16, 2026
Max_call_duration_ms >1h: calls failing silently, no webhooks triggered Support Help bug	5	24	March 23, 2026

Urgent: Incorrect Concurrency Charge and Upcoming Invoice Review

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