21X (formerly Structurely)
AI outbound calling
21X, formerly Structurely, is a conversational AI platform that engages leads and customers over voice, SMS, RCS, email and chat, with a long-standing focus on mortgage and real estate lead follow-up. Its AI places and answers calls, qualifies leads, books appointments or callbacks, collects documents and live-transfers to human staff, syncing outcomes to the CRM. It can also be embedded in other software companies' products.
- Charges by
- Per minute
- Starts at
- Quote (Small Team)
- Per minute
- $0.07
- How it works
- AI only
- Checked
- October 15, 2026
21X (formerly Structurely) pricing
| Plan | Price | Includes |
|---|---|---|
| Small Team | Quote | Agent builder, inbound and outbound voice, SMS and email workflows, live transfers, 1.5 hours of monthly support |
| Large Team | Quote | Multiple teams, advanced routing, custom integrations and webhooks, A/B testing, volume discounts, 5 hours of monthly support |
| Enterprise / Build Your Own | Quote | Custom pricing, SLAs, SSO/SAML, dedicated infrastructure |
- Pricing is a platform fee plus token-based usage. The platform fee is not published. Published usage rates are 'as low as' $0.07 per AI voice minute, $0.02 per SMS and $0.02 per AI email; per_minute_usd records the voice floor. Setup, trial and contract terms are not stated.
What it does
- Answers inbound calls
- Yes
- Places outbound calls
- Yes
- Books appointments
- Yes
- Warm transfer to a person
- Yes
- Text follow-up
- Yes
- Call recording
- Unconfirmed
- Transcripts
- Unconfirmed
- CRM sync
- Yes
- Keep your number (porting)
- Unconfirmed
- Spanish
- Unconfirmed
- Other languages
- Unconfirmed
- Web chat
- Yes
- API
- Yes
- Custom voice
- Yes
Integrations
As listed by 21X (formerly Structurely). Integrations not listed may still be possible through an API or Zapier.
Security and compliance
- Signs a HIPAA BAA
- Unconfirmed
- SOC 2
- Unconfirmed
- Discloses it's an AI
- Unconfirmed
- Consent capture tools
- Yes
- Do-not-call scrubbing
- Yes
- Calling-hour controls
- Yes
“Unconfirmed” means 21X (formerly Structurely)'s public pages don't say either way. Rules for AI phone calls
Company
- Headquarters
- Aspen, CO
- Built for
- Small business, Mid-market, Enterprise
- Industries
- Financial services, Real estate, Insurance, Home services
Sources
- 21X (Structurely) homepage company, features, status. Accessed October 15, 2026
- 21X how it works features, compliance. Accessed October 15, 2026
- 21X use cases features. Accessed October 15, 2026
- 21X pricing pricing. Accessed October 15, 2026
- About 21X company. Accessed October 15, 2026
Spot something out of date? Email contact@aivoiceagentvendors.com with a link to the vendor's page.
21X (formerly Structurely) alternatives
- AlowarePer seat, from $40/user/mo
- ConvosoQuote only, quote only
- DialzaraPer minute, from $29/mo
- KixiePer seat, quote only
- My AI Front Desk (Frontdesk)Per minute, from $99/mo
- Sameday AIFlat monthly, from $449/mo
Compare 21X (formerly Structurely) alternatives side by side