How to Use a Temporary Number for Bolt Verification
Using a free temporary phone number for Bolt takes four steps. First, go to asms.ai and browse the list of available shared numbers. Pick any number from a country that Bolt supports in your region. US and UK numbers work across most Bolt markets, but if one country is rejected try another from the list.
Second, copy the number and paste it into the Bolt sign-up or login screen where the app asks for your phone number. Bolt will send a 4 to 6 digit SMS verification code to that number within moments.
Third, return to the asms.ai inbox page for that number. The page refreshes automatically, and new messages appear near the top. You will see the incoming message from Bolt within seconds to about a minute. Click the message to read the full code.
Fourth, type or copy the code into Bolt and complete verification. That is the entire flow. You have received an SMS for Bolt without giving out your personal number and without creating any account anywhere on asms.ai. The shared inbox is public, but Bolt codes expire quickly and carry no lasting value once used.
Is It Really Free? How asms.ai Is Funded
Yes, the shared numbers on asms.ai are genuinely free. There is no freemium catch, no trial timer, and no hidden charge sitting behind a paywall. You can use the free numbers as often as you like across as many platforms as you need.
The service is funded by two paid tiers. The first is private numbers: a dedicated virtual number that only you can read, useful when you need a stable line for ongoing SMS reception or want a completely private inbox. The second is the REST API and native MCP server, built for developers and AI agents that automate SMS workflows at scale. Revenue from those tiers covers the infrastructure cost for everyone. The free public numbers are the product, not a hook to pull you towards an upsell.
There is no advertising on the site. The numbers are free because the business model does not depend on monetising your attention or selling your data.
Why People Use a Temporary Number for Bolt
The most common reason is privacy. Bolt is a legitimate platform, but handing any app your personal mobile number creates a data trail. That number can surface in data breaches, feed targeted advertising systems, or end up in third-party marketing lists you never signed up for. A disposable number for Bolt keeps your real number out of their database entirely.
A second reason is running multiple accounts. Some drivers or delivery riders need a separate Bolt account for testing, for a family member, or because they operate across two markets with different local requirements. Each account needs a unique phone number. A free virtual number from asms.ai handles that without buying a second SIM.
A third reason is avoiding promotional SMS traffic. Once a platform holds your mobile number, follow-up texts tend to accumulate. Using a Bolt verification number you do not own permanently means those messages never reach you.
Finally, some users lack access to a local number in the country where they want to register. A UK virtual number on asms.ai can complete Bolt verification even if your only physical SIM is from a different country.
Privacy and Security: What You Should Know
Shared public numbers are exactly that: public. Every person visiting the same number page can read every message sent to it. For a one-time SMS verification code that expires within minutes and becomes useless the moment it is entered, that level of openness is entirely acceptable. It is not appropriate for sensitive communications, financial two-factor authentication codes, or any message you would not want a stranger to see.
asms.ai does not require a login, does not record your IP address against a session, and does not link your identity to any number you browse. Inboxes are wiped on a rolling schedule, clearing old messages and preventing number pages from accumulating long message histories.
If you need a number only you can access, the private number tier provides a dedicated inbox. For the typical Bolt verification, the free shared number is sufficient: the code is short-lived, single-use, and completely inert after entry.
Does Bolt Block Shared or Virtual Numbers?
Bolt, like most ride-hailing platforms, applies phone number verification checks to reduce fraud and bot registrations. Shared virtual numbers are sometimes filtered, though this depends on the country, the specific number, and its recent usage history.
If a number you choose does not receive an SMS from Bolt within two minutes, Bolt has most likely rejected it silently at the carrier or platform level. The fix is straightforward: go back to asms.ai, select a different number, preferably from a different country, and try the sign-up again. Numbers rotate regularly and new ones join the pool daily, so a number that is blocked today may be replaced by a clean one within hours.
A meaningful share of asms.ai numbers work for Bolt verification, but no service can promise 100% delivery on shared virtual numbers. Carrier filtering and platform block lists change frequently. asms.ai is transparent about this rather than making guarantees that cannot be kept.
What Else Can You Verify With a Temporary Phone Number?
The same workflow applies to dozens of other services that require SMS verification during sign-up or login. Within the gig economy, Uber, Lyft, DoorDash, Instacart, and similar platforms all use SMS codes. Outside of ride-hailing and delivery, people use free temporary numbers to verify Telegram, Discord, Tinder, Bumble, Facebook, Instagram, and Twitter/X accounts.
Marketplace and e-commerce platforms such as eBay, Amazon seller accounts, Craigslist, and OLX follow identical flows: enter a number, receive a code, complete registration. The asms.ai process is the same each time.
For any service where you need a number you can return to repeatedly, or where privacy over a longer period matters, the private number option is the right choice. The free shared numbers are designed and optimised for single-use verifications.
Number Availability and Country Coverage
asms.ai maintains a rotating pool of shared virtual numbers across multiple countries. United States numbers are the most plentiful and carry the widest acceptance across global platforms. United Kingdom numbers are well-suited to European services and to Bolt markets that operate under UK carrier agreements. German numbers extend coverage to German-language markets and many EU platforms. Georgian and Ukrainian numbers add further regional depth.
Numbers are added to the pool daily as older ones rotate out or become saturated from heavy use. The number list on the asms.ai homepage always reflects what is currently active and receiving messages. Bookmarking a specific number for long-term use is not reliable because the pool is dynamic.
If you need a stable, permanent line, a private number subscription holds a dedicated virtual number for the duration of your plan, with messages visible only to you.
Developer and API Access
For teams and developers who need to automate Bolt account creation or handle SMS verification at scale, asms.ai provides a REST API. The API allows you to request a number programmatically, poll the inbox for incoming messages, and parse codes without any manual browser interaction.
The platform also runs a native MCP server compatible with AI agent frameworks that implement the Model Context Protocol. An AI agent can request a temporary phone number, wait for an SMS, and extract the verification code as a step inside a larger automation, without building custom webhook infrastructure.
Both the REST API and MCP server are paid tiers. Documentation and pricing are available on the asms.ai developer page.