Bulk SMS Verification API
The market you use in the browser is also a JSON API: buy numbers in bulk, poll for codes, swap lines that fail and renew the ones that work.
It is used by studios, tool builders and sites that resell verification to their own customers.
Codes usually arrive in under a minute and sync automatically to your SMS center. If a code never arrives, swap the number instead of paying twice.
Open the marketContact supportWhat you get
- Stock, buy, code, swap and renew endpoints, all JSON.
- Simple authentication: one X-Api-Key header per request.
- Bulk buying and TXT export for manual workflows.
How it works
- Generate a key — Create an API key inside your account, or ask support for higher limits.
- Check stock — Query the service and tier you need, with live counts and prices.
- Buy and verify — Order numbers per job, submit them, then poll the code endpoint.
- Handle failures — Swap numbers that do not receive a code; renew the ones your product keeps.
Live prices
| Project | Tier | Price | Stock |
|---|---|---|---|
| Wise | 2-30 days | 0.450 USDT | 54,639 |
| OpenAI / ChatGPT | 2-10 days | 0.150 USDT | 18,139 |
| OpenAI / ChatGPT | 11-20 days | 0.200 USDT | 14,134 |
| OpenAI / ChatGPT | 21-30 days | 0.300 USDT | 1,182 |
| Claude | 2-9 days | 0.100 USDT | 30,513 |
| Claude | 10-20 days | 0.150 USDT | 20,480 |
| Claude | 21-30 days | 0.200 USDT | 1,888 |
| Google Voice | 2-30 days | 0.225 USDT | 1,834 |
| TikTok | 2-4 days | 0.075 USDT | 7,235 |
| TikTok | 5-15 days | 0.075 USDT | 44,050 |
| TikTok | 16-30 days | 0.120 USDT | 2,444 |
| 2-92 days | 0.150 USDT | 5 |
Prices and stock refresh from the live market every day. Full list: all services and tiers.
FAQ
Do you have API documentation?
Yes — the docs are linked inside the account area; support can send the endpoint list on Telegram.
What are the rate limits?
Polling every 1-3 seconds per number is normal. Bulk customers can request raised limits.
Can I resell the numbers?
Many customers run downstream services; ask about agent and volume pricing on Telegram.
Related pages
US SMS Verification NumbersLong-Term US Number RentalOpenAI / ChatGPT Phone VerificationUS Banks & Fintech VerificationNon-VoIP Numbers for Account VerificationAn sms-activate Alternative with Real US Lines