Docs
Every limit, in one table.
Numbers the product enforces today, on the beta plan unless noted. Rate limits exist to keep every account's numbers safe with WhatsApp, not to sell tiers.
Last updated 21 August 2026
Numbers and devices
| Linked numbers per login | 10 (beta and Enterprise); 5 Pro; 2 Free |
| Devices signed in | No limit. One linked device per number, as WhatsApp counts it. |
| Linking | New link 5 per hour; QR refresh 30 per minute; pairing code 6 per minute |
| Numbers behind a WhatsApp passkey | Cannot be linked by MobileB today. Link from the phone instead. |
Messages and media
| Text message | Up to 65,536 characters |
| Media per file | 64 MB |
| Media storage | 2 GB per number, 10 GB per user |
| File under advanced security | 16 MiB |
| Voice note recording | Hold to record for up to 2 minutes, then hands-free; stops at 15 minutes |
| Sends | 30 per 10 seconds; media 10 per minute; location and contact cards 20 per minute each |
| Scheduled message | At least 1 minute ahead, at most 1 year |
| History on first link | About the most recent 200 messages per conversation, then everything new |
| History kept | Until the account is deleted. Single messages can be deleted for yourself; a whole conversation cannot be deleted on its own yet. |
| Not shown | Status, communities, polls you could create, calls. Poll votes and album wrappers are dropped; unknown types show a placeholder. |
Agents
| Agent tokens and connected apps | 10 (beta and Enterprise); 3 Pro; none on Free. Connectors count toward the same number. |
| Requests | 240 per minute per address; per token each minute: 240 standard, 12 media, 6 video, 12 transcription, 2 sync |
| Consent expiry | 30, 90 or 365 days, or until revoked; personal tokens 24 hours, 7 days, 30 days or never |
| Agent share (API only; the app has no switch for it yet) | One conversation, read only, 1 to 30 days, to an existing MobileB user |
| Activity log | 90 days, then deleted |
| Video frames | Up to 48 per request; clips up to 2 minutes and 8 MB |
| Transcription | 120 minutes a day on beta (Enterprise 240, Pro 60, Free 10); clips up to 15 minutes |
Names and labels
| Number label | Up to 60 characters |
| Private contact name | Up to 80 characters |
| Tag name | 2 to 24 characters |
| WhatsApp profile name | Up to 25 characters; About up to 139 |
| Agent token name | Up to 60 characters |