Phone lookups
LookValid vs Vonage (Nexmo)
LookValid covers part of the same ground as Vonage (Nexmo) with Phone Numbering-Plan Validation, Carrier Lookup (original carrier), Phone Spam Check, billed in credits from one shared balance. Vonage offers a Number Insight API for real time phone number checks such as line type, network and fraud signals. The documentation page read here says Number Insight is being replaced by an Identity Insights API, and no prices could be read.
Side by side
| Term | Vonage (Nexmo) | LookValid |
|---|---|---|
| What it sells | Phone number lookups. | Phone Numbering-Plan Validation, Carrier Lookup (original carrier), Phone Spam Check |
| API access | Number Insight is offered as an API with an API reference and SDKs. Source | One REST API and one MCP server, both on the same key and the same credit balance. |
Limits Vonage (Nexmo) states
- Number Insight is scheduled to be retired on February 4, 2027, with customers pointed to the Identity Insights API. Source
What LookValid offers in the same area
| Product | Credits | Docs |
|---|---|---|
| Phone Numbering-Plan Validation | 1 credit per valid number | API docs |
| Carrier Lookup (original carrier) | 1 credit per lookup (numbers outside the covered numbering plan areas are free) | API docs |
| Phone Spam Check | 1 credit per number with complaints on record | API docs |
- Phone Numbering-Plan Validation: Validates a number against its numbering plan: format, country, number type and area. It does not ping the line. About $2.00 to $4.95 for 1,000 billed lookups across the plans.
- Carrier Lookup (original carrier): Names the carrier that holds the number block, for the numbering-plan areas it covers. About $2.00 to $4.95 for 1,000 billed lookups across the plans.
- Phone Spam Check: Reads complaint records on file for a number. About $2.00 to $4.95 for 1,000 billed lookups across the plans.
Pricing explains credits and the plans.
Which to choose
Vonage (Nexmo) and LookValid overlap only in part. Phone Numbering-Plan Validation: Validates a number against its numbering plan: format, country, number type and area. It does not ping the line. Carrier Lookup (original carrier): Names the carrier that holds the number block, for the numbering-plan areas it covers. Phone Spam Check: Reads complaint records on file for a number.
Choose Vonage (Nexmo) when the job is phone number lookups as Vonage (Nexmo) sells it. Choose LookValid when the checks above are what you need, with one key and one credit balance for phone, email, IP and website lookups.
Questions
What is Vonage (Nexmo)?
Vonage offers a Number Insight API for real time phone number checks such as line type, network and fraud signals. The documentation page read here says Number Insight is being replaced by an Identity Insights API, and no prices could be read.
How is Vonage (Nexmo) different from LookValid?
Vonage (Nexmo) sells phone number lookups. LookValid sells Phone Numbering-Plan Validation, Carrier Lookup (original carrier), Phone Spam Check and bills every lookup in credits from one balance.
Sources
- Help page on developer.vonage.com https://developer.vonage.com/en/number-insight/overview, read 2026-10-18
Other phone lookups providers
Spot something wrong or out of date? Write to hello@meralume.com and we will review it.