Checkfast.pro · Reseller API

Checkfast.pro API

Checkfast.pro API for your integrations and reselling.

How billing works

  • price_usd_per_10k is the Checkfast.pro price per 10,000 lines.
  • Charged from USDT balance: (lines / 10,000) × price.

ऑथराइज़ेशन

Authorization: Bearer ck_your_api_key
Base URL: https://checkfast.pro

Endpoints

GET  https://checkfast.pro/api/v1/balance
GET  https://checkfast.pro/api/v1/checkers
GET  https://checkfast.pro/api/v1/tasks?limit=50
POST https://checkfast.pro/api/v1/check
GET  https://checkfast.pro/api/v1/check?task_id=...
GET  https://checkfast.pro/api/v1/download?task_id=...

चेक बनाएँ

# Batch (multipart)
POST https://checkfast.pro/api/v1/check
Authorization: Bearer ck_xxx
Content-Type: multipart/form-data
[email protected]
task_type=ws

# JSON
POST https://checkfast.pro/api/v1/check
{ "query": "+79001234567", "task_type": "tg" }
{ "numbers": ["+79001","+79002"], "task_type": "ws" }

# Status → download when status=exported
GET https://checkfast.pro/api/v1/check?task_id=TASK_ID
GET https://checkfast.pro/api/v1/download?task_id=TASK_ID

उदाहरण (curl)

curl https://checkfast.pro/api/v1/balance \
  -H "Authorization: Bearer ck_xxx"

curl https://checkfast.pro/api/v1/checkers \
  -H "Authorization: Bearer ck_xxx"

curl -X POST https://checkfast.pro/api/v1/check \
  -H "Authorization: Bearer ck_xxx" \
  -F "file=@./numbers.txt" \
  -F "task_type=ws"

curl "https://checkfast.pro/api/v1/check?task_id=TASK_ID" \
  -H "Authorization: Bearer ck_xxx"

curl -L "https://checkfast.pro/api/v1/download?task_id=TASK_ID" \
  -H "Authorization: Bearer ck_xxx" -o result.csv

task_type catalog

Current prices are in the price_usd_per_10k field.

task_typeName$/10k
tgTelegram चेकर5
tg_activeTelegram गतिविधि दिन7
tg_avatarTelegram उम्र और लिंग9
wsWhatsApp चेकर2
ws_activeWhatsApp गतिविधि दिन3.6
ws_avatarWhatsApp उम्र और लिंग7.6
phonecheckफ़ोन वैलिडेशन8
active_checkनंबर एक्टिविटी चेकर13
high_value_usersहाई-वैल्यू यूज़र चेकर14
viberViber चेकर1
viber_activeViber गतिविधि दिन10
viber_seniorViber उम्र और लिंग30
imessageiMessage चेकर4
rcsRCS चेकर3
signalSignal चेकर8
vkVK चेकर16
appleApple ID चेकर3
apple_emailApple ID ईमेल चेकर4
facebookFacebook चेकर0.6
facebook_emailFacebook ईमेल चेकर0.6
amazonAmazon चेकर4
amazon_emailAmazon ईमेल चेकर4
instagramInstagram चेकर0.6
instagram_emailInstagram ईमेल चेकर0.6
maxMAX चेकर24
max_fullMAX उम्र और लिंग40
netflixNetflix चेकर14
netflix_emailNetflix ईमेल चेकर14
lineLine चेकर10
line_seniorLine उम्र और लिंग30
twitterX (Twitter) चेकर2
twitter_emailX (Twitter) ईमेल चेकर2
tg_usernameTelegram Telegram यूज़रनेम चेकर3
tg_username_avatarTelegram Telegram अवतार (यूज़रनेम)5
tg_username_profileTelegram Telegram यूज़रनेम चेकर7
linkedin_phoneLinkedIn चेकर10
linkedinLinkedIn चेकर1
linkedin_profileLinkedIn चेकर20
zaloZalo चेकर4
tiktokTikTok चेकर18
microsoftMicrosoft चेकर4
snapchatSnapchat चेकर30
messengerMessenger चेकर5.6
gotoGoTo चेकर14
threadsThreads चेकर1.6
spotify_emailSpotify ईमेल चेकर2
bandBand चेकर2
dhlDHL चेकर3
sidelineSideline चेकर3
airbnbAirbnb चेकर4
pornhubPornhub चेकर20
temuTemu चेकर4
binanceBinance चेकर13
binance_emailBinance ईमेल चेकर30
kucoinKuCoin चेकर14
kucoin_emailKuCoin ईमेल चेकर14
htxHTX चेकर7
htx_emailHTX ईमेल चेकर14
coinwCoinW चेकर4
coinw_emailCoinW ईमेल चेकर14
crypto_emailCrypto.com ईमेल चेकर30
email_checkईमेल सत्यापन14
carrierकैरियर डिटेक्शन4
us_carrier_premiumएडवांस्ड US कैरियर30

एरर कोड

HTTPCodeMeaning
401UNAUTHORIZEDMissing/invalid API key
402PAYMENT_REQUIREDNot enough USDT balance
409NOT_READYResult not ready yet
429RATE_LIMITToo many requests
502PROVIDER_ERRORTemporary processing failure (balance refunded on create failure)