Twilio Lookup alternative
Twilio Lookup alternative: check a whole phone list without code
Twilio Lookup is a developer API: you call it once per number from your own code. If what you actually need is to know which numbers on a list are valid, mobile, landline or VoIP before you call or text them, TrueSearch for Business does that from a file upload, an API, or a chat with Claude.
Twilio Lookup vs TrueSearch: how they differ
| Twilio Lookup | TrueSearch for Business | |
|---|---|---|
| How you use it | API, called from code | CSV/Excel upload, REST API, or Claude/ChatGPT/Cursor connector |
| Pricing model | Per request (see Twilio's pricing page) | $97/month for 5,000 numbers |
| Valid, line type, carrier | Yes, depending on which data packages you request | Yes, all three on every number |
| Clean file back | You build it from the API responses | Download the list with valid, line_type and carrier columns added |
We do not claim TrueSearch is cheaper per lookup than Twilio. If you already have engineers calling Twilio Lookup and you are happy with it, keep it. TrueSearch fits teams that want the answer on a list today without building anything.
Everything TrueSearch does, and does not do
| Valid or dead (disconnected / not assigned) | Yes, every number |
| Line type: mobile, landline, VoIP, toll-free | Yes, every number |
| Carrier name | Yes, every number |
| Bulk upload (CSV or Excel) | Yes, results in about 30 seconds per 1,000 numbers |
| REST API | Yes (JSON, one API key) |
| Claude / ChatGPT / Cursor connector (MCP) | Yes |
| National or state Do Not Call check | No, not yet |
| Known TCPA litigator check | No, not yet |
| FCC Reassigned Numbers Database check | No |
| Starting price | $97/month for 5,000 numbers, 7-day free trial |
| One-off list | $20 per 1,000 numbers, no subscription |
Who switches from Twilio Lookup
- Sales and call center teams who were asking a developer to run lists through the API before every campaign.
- SMS marketers who only need to know which numbers are mobile before a send.
- Ops and RevOps who want a monthly clean of the CRM without maintaining a script.
Upload a CSV or Excel file. Get back every number marked valid or dead, mobile, landline or VoIP, with carrier.
Starter: $97/month for 5,000 numbers after the 7-day trial. Cancel anytime.
Questions
What is Twilio Lookup?
Twilio Lookup is an API from Twilio that returns information about a phone number, such as its formatting, whether it is valid, and, through paid data packages, line type and carrier. It is priced per request and called from code.
Is TrueSearch cheaper than Twilio Lookup?
We do not claim that. Twilio Lookup is priced per request; TrueSearch is a monthly plan ($97/month for 5,000 numbers) with a 7-day free trial. Compare Twilio's current pricing page against your own monthly volume.
Do I need a developer to use TrueSearch?
No. You can upload a CSV or Excel file and download the checked list. There is also a REST API if you want to wire it into a CRM, dialer or form, and a connector for Claude, ChatGPT and Cursor.
What does TrueSearch return for each number?
Whether the number is valid or dead, its line type (mobile, landline, VoIP or toll-free) and the carrier, from carrier data. It does not return the owner's name.
Does TrueSearch check Do Not Call or litigators?
No, not yet. TrueSearch checks validity, line type and carrier only. For Do Not Call status, use the National Do Not Call Registry at donotcall.gov.
Is TrueSearch affiliated with Twilio?
No. Twilio and Twilio Lookup are trademarks of Twilio Inc., named here only to identify the product.
Related: the phone validation API, bulk phone number validation, free phone number verification, and TrueSearch vs Twilio Lookup.
By industry
By carrier
Compare
Twilio and Twilio Lookup are trademarks of Twilio Inc., used here only to identify the product. TrueSearch is not affiliated with Twilio. This guide is general information, not legal advice. TrueSearch for Business checks validity, line type and carrier from licensed telecom data. It does not check the National Do Not Call Registry, state DNC lists or the FCC Reassigned Numbers Database. Not a consumer reporting agency; not for FCRA purposes.