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DialNexa uses a prepaid wallet model. You add funds to your wallet, and each call draws from that balance in real time based on usage. There are no monthly subscription fees for core calling - you pay only for what you use.

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How Charges Work

Every call is billed on a per-minute basis, calculated from the moment the call connects (answered) until it ends. Partial minutes are rounded up to the next full minute, so a call that lasts 4 minutes 23 seconds is billed as 5 minutes. The per-minute rate covers the underlying services used by the agent pipeline:
ComponentWhat it includes
TelephonyPSTN carrier charges for connecting the call
LLM inferenceToken costs for the selected language model
TranscriptionSpeech-to-text processing for cascaded agents
TTS synthesisVoice generation for cascaded agents
For cascaded agents, billing uses rounded total minutes multiplied by the transcriber, LLM, TTS synthesis, and telephony costs. For Speech to Speech agents, billing uses rounded total minutes multiplied by the LLM and telephony costs. You do not receive separate line items for each underlying service - DialNexa handles the provider relationships and consolidates the cost.
Calls that do not connect (no-answer, busy, rejected) are not billed. Billing begins only when the call is answered.

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What Affects Your Rate

Your per-minute rate varies based on:
  • LLM model: GPT-4o costs more than GPT-4o Mini. Groq Llama 4 and DeepSeek V3 are lower-cost alternatives to the OpenAI models.
  • TTS provider: ElevenLabs and Cartesia have slightly different underlying rates.
  • Call direction: Outbound calls typically cost more than inbound, due to PSTN termination charges.
  • Destination geography: International calls have higher telephony costs than domestic calls.
  • Your plan: Higher-tier plans have lower per-minute rates.
For exact pricing, visit the Pricing page or contact [email protected].

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The Wallet

Your wallet is a prepaid credit balance associated with your account. It is shared across all workspaces in your account. To view your wallet balance: Go to Settings → Billing → Wallet. The current balance, recent transactions, and recharge history are all shown here. To add funds manually:
  1. Go to Settings → Billing → Wallet
  2. Click Add Funds
  3. Select or enter an amount
  4. Complete payment via credit/debit card or UPI (for Indian accounts)
Funds are added to your wallet immediately after payment is confirmed.

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Auto-Recharge

Auto-recharge automatically adds funds to your wallet when the balance falls below a threshold, ensuring your calls are never interrupted by a zero balance. To configure auto-recharge:
  1. Go to Settings → Billing → Auto-Recharge
  2. Toggle Auto-Recharge to On
  3. Set the Trigger threshold: the balance level at which recharge triggers (e.g., ₹500 or $10)
  4. Set the Recharge amount: how much to add when the trigger fires (e.g., ₹2,000 or $50)
  5. Select the payment method to charge
Set your trigger threshold high enough that your calls never stop due to balance depletion - at least 2-3x your typical hourly spend. Set your recharge amount high enough that you don’t trigger multiple recharges in quick succession during a busy campaign.
Auto-recharge charges your saved payment method automatically. If a batch campaign runs significantly longer or larger than expected, multiple auto-recharges can occur in quick succession. Monitor your active campaigns.

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Usage Breakdown

Go to Settings → Billing → Usage for a breakdown of call costs:
  • By date: total spend per day over a selected period
  • By agent: which agents consumed the most billing
  • By call direction: inbound vs. outbound cost breakdown
  • By phone number: cost attributed to each number
You can export the usage data as a CSV for reconciliation in your accounting system.

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Invoices

A tax invoice is generated for each wallet recharge. To download invoices:
  1. Go to Settings → Billing → Invoices
  2. Select the time period
  3. Click Download on any invoice to save it as a PDF
Invoices include:
  • Your registered business name and address
  • GST number (for Indian accounts)
  • DialNexa’s GSTIN and business details
  • Itemized recharge amount and applicable taxes
If your invoice has an incorrect business name, address, or GST number, update your billing profile in Settings → Billing → Billing Profile before the invoice is generated. Historical invoices cannot be retroactively corrected.

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Spend Alerts

In addition to auto-recharge notifications, you can set spend alerts that notify you when your daily or monthly spend exceeds a threshold:
  1. Go to Settings → Billing → Alerts
  2. Click Add Alert
  3. Select Daily or Monthly as the alert period
  4. Set the threshold amount
  5. Choose notification channels (email, in-app)
Spend alerts are informational only - they do not pause calls. Use them to catch runaway batch campaigns or unexpected usage spikes early.

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Refunds

If you have unused wallet balance and want to request a refund:
  • Contact support at [email protected]
  • Provide your account email and the refund amount
  • Refunds are processed within 7-10 business days to your original payment method
  • Refunds are subject to a minimum balance threshold and are reviewed by the billing team
Trial credits are not refundable.

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Billing for Sub-Accounts and Workspaces

If you operate sub-accounts (Enterprise feature), billing is isolated per sub-account by default - each sub-account has its own wallet and is billed separately. The parent account can configure consolidated billing where all charges flow to the parent wallet. See Sub-Accounts for details. Multiple workspaces within the same account share the account wallet. There is no per-workspace billing isolation at the standard plan level.

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GST and Tax

For Indian accounts, GST is applied to wallet recharges at the applicable rate. Your GSTIN can be added to your billing profile for B2B invoicing. GST is shown as a separate line item on all invoices. For accounts outside India, applicable local taxes are applied based on your billing address. Contact [email protected] if you have tax-exempt status or require a different tax treatment.