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X account check

Check if a phone number has a X account, singly or in bulk. $0.0008 per single check, $0.0003 per check in bulk. Unknown single checks are free.

Single-check price · USD per check
$0.0008
Bulk price · USD per check
$0.0003

What this product checks

The X product uses a phone number, not an @handle. Its API product identifier remains twitter; the returned registration signal is not a username search.

Reading the result

A conclusive yes or no describes the account signal at the time of checking. Unknown means no conclusive answer; it must not be treated as no. A registration signal does not verify identity, consent or message delivery.

Where teams use X checks

  • See which contacts in a list have an X (Twitter) account before planning social engagement.
  • Add X account presence to lead enrichment next to other social products.
  • Check by phone number; this product does not search @handles.

Cost example for X

1,000 · Bulk price1,000 × $0.0003$0.30
300 · Bulk priceBilled as the minimum$0.15
1,000 · Single-check price1,000 × $0.0008$0.80

−63%

1,000 valid unique numbers from one country cost $0.30 at the bulk price ($0.0003 each). A country with only 300 numbers is still checked and is billed as the minimum number of checks: $0.15. Checking the 1,000 numbers one by one at the single-check price would cost $0.80.

This is the cost shown before you submit. Duplicates and invalid rows are removed first; a completed list is charged this amount, unknown results included, and a failed list is refunded in full.

How pricing works

Related workflow

Check a mixed-country number list in one uploadUpload numbers from many countries at once. Each country is detected, duplicates are flagged and results come back in the original row order.

X check questions

How much does each X check cost?

$0.0008 per single check, in real time. In a bulk task each country is its own group at $0.0003 per check; a country with only a few numbers is billed as the minimum number of checks. A group is charged in full once its batch completes, unknown rows included, and refunded if the batch fails.

Is an unknown X result charged?

Not in a single check: only a conclusive answer is charged. In bulk, yes: each country is charged in full once it completes, unknown rows included; a list that fails is refunded. Invalid rows and duplicates cost nothing.

Can I check X through the API?

Yes. Send POST /api/v1/checks with the product ID twitter for one input, or POST /api/v1/bulk-jobs with a file for a list.

Example request

Developers
POST /api/v1/checks
curl "https://api.numdetect.com/api/v1/checks" \
  -H "Authorization: Bearer $NUMDETECT_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
  "phone": "+12025550147",
  "products": [
    "twitter"
  ]
}'

Illustrative request with a sample number. Replace $NUMDETECT_API_KEY with your key; each run is a real, charged check.

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