Datacircle

Nummeropslag pricing: phone validation API, GET /api/v1/partner/spam/{e164}

Nummeropslag's siteThis page as plain textPhone validation API: the best of 40+ providers comparedNummeropslag: phone validation API alternatives

Is Nummeropslag yours? Write to us about this page. We invite selected tool providers to our WhatsApp group.

0% complete: none of the 9 fields on our checklistSee the 9 fields
$4.993per 1,000 phonesDKK 33.166 per 1,000 phones is $4.993 at the European Central Bank's rate of $0.15055 for DKK 1.We haven't run Nummeropslag through our phone validation API benchmark yet.Half of the 1,148 plans we rank by price cost $2.991 per 1,000 phones or less. This plan costs less per 1,000 phones than 42% of the 1,148 plans.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. Neutrino API's On-Demand plan costs the least for 10,000 phones a month: $0.80.Trestle, Data247 and Abstract API are the best phone validation API providers in the Datacircle benchmark.
Type a number to see the cheapest Nummeropslag plan for that many phones. The table below then sorts the other plans by what each costs.
Plan: Pro one of Nummeropslag's 2 plans
Call: GET /api/v1/partner/spam/{e164} one of Nummeropslag's 2 calls for this API
API: Phone validation API one of Nummeropslag's 2 APIs

About this item

  • Stored. Nummeropslag may answer from Nummeropslag's stored data instead of asking the carrier. Nummeropslag doesn't say how old the data is.
  • Returns none of the 9 fields on our checklist: Number, Formats, Validity, Type and 5 more.
  • A monthly subscription. You pay DKK 199 a month for 6,000 requests. Calls keep working once your requests run out.
  • One call. You send e164 to GET /api/v1/partner/spam/{e164}.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Nummeropslag: phone validation API alternatives

Nummeropslag 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 stored data.

This planNummeropslag, DKK 199 monthly, Pro, GET /api/v1/partner/spam/{e164}1Lookup, $99 monthly, Starter, POST /nt-lookupCallerAPI, $25 monthly, Basic, GET /api/lookup/{phone}Xverify, $250 packClearoutPhone, $52 monthly, Monthly 10,000 credits, POST /v1/phonenumber/validate, Instant Phone Number Validation
$ per 1,000 phones$4.993$4.95$5.00$5.00$5.20
Completeness0%78%78%44%56%
Billingmonthlymonthlymonthlypay firstmonthly
PayDKK 199$99$25$250$52
Enough for6,000 calls a month20,000 calls a month5,000 calls a month50,000 calls10,000 calls a month
Freshnessstoredstoredstoredstoredstored
Who can get itanyoneanyone with a business name and a working business email addressanyone with a Google accountanyoneanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-06.

  1. nummeropslag.dk/api
  2. nummeropslag.dk/api-reference
  3. nummeropslag.dk/api/openapi.json
  4. nummeropslag.dk/priser
  5. nummeropslag.dk/vilkaar

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
Price
$ per 1,000 phones$4.993
Percall
Billingmonthly
$ a month$29.96
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Full lookup · Compact operator + number type · Search businesses by name (CVR)
Overage
Units capsoft
In their words
Their pitchCompact spam/trust verdict — ideal for caller-ID and call blocking.
Data
Freshnessstored
CountriesDenmark
Keep datano limit
Use dataYou may not use the service for harassment, automated harvesting of data, or in ways that place an unnecessary load on the system. The information may not be used in breach of data protection law (GDPR). [...] Misuse, resale of data or circumvention of limits may result in the key being closed without refund. [...] Do not store personal data about private individuals.
Plan
PayDKK 199
You get6,000 requests a month
Enough for6,000 calls a month
Rate limit
Per second2
Batch1
Speed
Answerin the call
The call
You sende164
MethodGET
Path/api/v1/partner/spam/{e164}
About the plan
PlanPro
Who can get itanyone
The 11 fields the plan's answer can hold

spam level, spam score, trust score, trust zone, trust label, verdict, verdict key, spam reports, private number, verified business, spam risk percent

Best GTM APIs