Linq pricing: phone validation API, POST /
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0% complete: none of the 9 fields on our checklistSee the 9 fields
$0.00per 1,000 phonesWe haven't run Linq through our phone validation API benchmark yet.This plan is free. We leave this plan out of our price ranking because the provider bans business use. We rank 1,342 plans for phone validation APIs by price. Half the plans cost $3.867 or less per 1,000 phones. See the best free phone validation API plan.GuGuData's CNY 124 (about $19) monthly plan is the cheapest paid plan per 1,000 phones. GuGuData's CNY 124 (about $19) monthly plan charges nothing per call. You get as many phones as GuGuData's rate limit allows. Keyronne's pay-as-you-go plan costs the least for 10,000 phones a month: $0.20.Trestle, Signal House and Data247 are the best phone validation API providers in the Datacircle benchmark.
Plan: Hobby one of Linq's 3 plans
Call:
POST / one of Linq's 2 callsPOST /Free, Hobby$0.00 per 1,000v3/ capability/ check_ imessage POST /Free, Hobby$0.00 per 1,000v3/ capability/ check_ rcs
API: Phone validation API Linq's only API
About this item
- Live. Linq checks the phone number you send when you call the API.
- Returns none of the 9 fields on our checklist: Number, Formats, Validity, Type and 5 more.
- Nothing to pay. Linq limits how many calls you get but gives no number.
- One call. You send
addresstoPOST /. You can also sendv3/ capability/ check_ rcs from. - Who can get it: with conditions. Keep data: no limit. Use data: with conditions.
Linq: phone validation API alternatives
Linq alternatives: other phone validation API providers by price
We list other providers' plans closest to this plan in price per 1,000 phones. Each plan in the table gives live data.
| This planLinq, free, Hobby, POST /v3/capability/check_rcs | Signal House, free | Foxentry, free trial, POST /phone/validate, Validate phone number (extended) | HLR Lookups, free, 100 free lookups, POST /hlr-lookups | seven.io, free test credit, GET /api/lookup/hlr | |
|---|---|---|---|---|---|
| $ per 1,000 phones | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 |
| Completeness | 0% | 44% | 56% | 56% | 78% |
| Billing | free | free | free | free | free |
| Pay | $0 | $0 | $0 | $0 | $0 |
| Enough for | not published | 5,000 calls, once | not published | 100 results, once | not published |
| Freshness | live | live | live | live | live |
| Who can get it | anyone who signs up through the CLI, for hobbyist and personal projects, legally able to enter into the Terms | anyone who creates an account | anyone who signs up and creates an API project | new accounts | new accounts of traders: the customer assures that he is a trader and that the short messages are sent as part of his business |
Sources
From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-09.
Product details
The key fields this plan's answer can hold, then each filled column in its row on the sheet.
- Number, not in the answer
- Formats, not in the answer
- Validity, not in the answer
- Type, not in the answer
- Carrier, not in the answer
- Porting and roaming, not in the answer
- Place, not in the answer
- Risk, not in the answer
- Owner, not in the answer
| $ per 1,000 phones | $0.00 |
|---|---|
| Per | call |
| Billing | free |
| Aggregators | none |
|---|
| Also pays for | 75 other Linq calls · from the same budget: Check iMessage capability |
|---|
| $ per 1,000 | $0.00 |
|---|
| Their pitch | Check whether a recipient address supports iMessage or RCS before sending a message. |
|---|
| Freshness | live |
|---|---|
| What it checks | messaging apps |
| Keep data | no limit |
| Use data | Linq grants Customer a limited, revocable, non-exclusive, non-transferable, non-sublicensable right during the Term to access and use the Service and Documentation solely for Customer’s internal business purposes to develop, test, and support applications that interoperate with the Service. [...] Customer will not (and will not permit any third-party to): copy, modify, or create derivative works of the Service (except as expressly permitted in Documentation), reverse engineer, decompile, or attempt to discover source code or underlying algorithms (except to the extent prohibited by law), access or use the Service to build or benchmark a competing product, remove any proprietary notices from the Service or Documentation, use the Service in any manner or for any purpose that infringes, misappropriates, or otherwise violates any intellectual property right or other right (including privacy right) of any person, or that violates Applicable Law, interfere with or disrupt the Service, including by circumventing safeguards, monitoring, filters, or rate limits, or use the Service outside the scope of these Terms, the AUP, or Documentation. |
| Pay | $0 |
|---|
| Per second | 0.1 |
|---|---|
| Batch | 1 |
| Answer | in the call |
|---|
| You send | address. Optional: from |
|---|---|
| Method | POST |
| Path | /v3/capability/check_rcs |
| Plan | Hobby |
|---|---|
| Who can get it | anyone who signs up through the CLI, for hobbyist and personal projects, legally able to enter into the Terms |
The 4 fields the plan's answer can hold
address, available on RCS, reason unavailable, selected service