Bill payments · FASTag
Airtel FASTag: how to recharge an Airtel Payments Bank tag
An Airtel FASTag is issued by Airtel Payments Bank, one of the authorised FASTag issuers on the national NETC list. Like any FASTag, it holds a prepaid balance that toll plazas deduct from. You can top it up in the Airtel Thanks app, or from any Bharat BillPay app, Subspace included, using your vehicle number. This page covers both routes and what to keep ready. It also explains what happens at the plaza when the balance is low or the tag isn't valid, because the toll can rise to 1.25 or 2 times the normal fee. Airtel's FASTag support numbers vary across sources, so we point you to in-app help rather than print a number we couldn't verify.
- Issuer
- Airtel Payments Bank
- Recharge with
- Vehicle number
- No valid tag, cash
- 2× toll
Two ways to recharge an Airtel FASTag
Airtel Thanks app. Open the FASTag section, sign in with your registered mobile number and OTP, and top up from the dashboard. Airtel Payments Bank says you can pay by net banking, debit or credit card, or UPI.
Any Bharat BillPay app. FASTag recharges are a BBPS category, and "Airtel Payments Bank FASTag" appears as an issuer in BBPS apps. You enter the vehicle number and amount; the money goes to the same tag wallet. This is useful if you don't use the Airtel Thanks app or want all your bills in one place.
- 1On Subspace, open Bill payments and choose FASTag.
- 2Select Airtel Payments Bank as the issuer.
- 3Enter the vehicle registration number linked to the tag and check the details shown.
- 4Enter the amount and pay by UPI, card or net banking.
- 5Keep the BBPS reference number until the balance updates in the Airtel Thanks app.
What you pay at the plaza, by tag status
Two rule changes decide what happens when your tag can't pay. NPCI's rules from 17 February 2025 decline a toll if the tag was low on balance, blacklisted or hotlisted for more than 60 minutes before the read and is still so 10 minutes after. The vehicle then pays double. And from 15 November 2025, MoRTH's amended fee rules let vehicles without a valid, working FASTag pay 1.25 times the toll by UPI instead of double in cash.
| Tag status at the plaza | What happens |
|---|---|
| Active with enough balance | Normal toll deducted |
| Low balance or blacklisted for 60+ minutes before the read, and still 10 minutes after | Declined (error code 176); double toll charged |
| Recharged within 10 minutes after the read | Reports say the penalty portion can be refunded |
| No valid FASTag, paying by UPI | 1.25 times the toll |
| No valid FASTag, paying cash | 2 times the toll |
From the MoRTH amendment effective 15 November 2025, using a ₹100 toll as the example.
| Valid FASTag | ₹100 |
|---|---|
| No valid tag, UPI | ₹125 |
| No valid tag, cash | ₹200 |
Checking balance and getting help
The Airtel Thanks app shows your FASTag balance and transaction history after you sign in. Many BBPS apps also return the current balance when you enter your vehicle number to recharge. The IHMCL My FASTag app shows the wallet balance by vehicle number as well.
For tag problems, use the help section inside the Airtel Thanks app. We found several different Airtel FASTag numbers on third-party sites and couldn't confirm any of them on an Airtel page. For highway and plaza issues, the NHAI helpline is 1033. Frequent highway drivers can also look at the FASTag annual pass, which works on an Airtel tag if the vehicle is eligible.
Frequently asked questions
How do I recharge my Airtel FASTag?
In the Airtel Thanks app’s FASTag section, or from any Bharat BillPay app such as Subspace by choosing Airtel Payments Bank as the issuer and entering your vehicle number.
Can I recharge an Airtel FASTag from another bank’s app?
Yes. FASTag recharge is a Bharat BillPay category, so BBPS apps from other banks and fintechs can top up an Airtel Payments Bank FASTag using the vehicle number.
How do I check my Airtel FASTag balance?
Sign in to the FASTag section of the Airtel Thanks app, use the IHMCL My FASTag app, or enter your vehicle number in a BBPS app, which often shows the balance before you pay.
What happens if my Airtel FASTag balance is too low at a toll?
If the tag was low on balance for over 60 minutes before the read and still is 10 minutes after, the toll is declined and you pay double. Top up before you start a highway trip.
Can I get the FASTag annual pass on an Airtel tag?
Yes, if the tag is valid, linked to your registration number and on a private car, jeep or van. Buy the pass on the Rajmargyatra app or NHAI website.
Who do I contact for an Airtel FASTag problem?
Use the help section in the Airtel Thanks app for tag and balance issues. For highway or plaza problems, call NHAI on 1033.
Pay on the web
Top up an Airtel Payments Bank FASTag in the Airtel Thanks app or through a BBPS app like Subspace. What you need, low-balance toll rules and who to contact.
Scan to get the Subspace app
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Facts on this page were last checked on 2026-10-12. Prices and plans change; the final amount shows before you pay.