OpenPhn vs Bland.
Programmable phone calls with a voice-first pipeline.
Bland pioneered this category. They're a strong choice if you're building a voice-forward app where the conversation itself is the product, and you're comfortable owning the extraction layer.
Stay on Bland when…
- ◆You're building a phone-first product (patient intake, sales qualification) where voice quality and barge-in are the hero.
- ◆You already have a stable post-call extraction pipeline you're happy with.
- ◆Your use case is narrow enough that bespoke prompts beat schema-first outcomes.
Switch to OpenPhn when…
- ◆Your code lives inside an agent — OpenClaw, Hermes, Claude Agent SDK, LangGraph, CrewAI, n8n, MCP. OpenPhn ships first-class skills for each.
- ◆You want outcome_schema in the request and typed JSON on the webhook, without writing your own post-processor.
- ◆You need transparent per-minute voice + per-minute extraction pricing with no carrier markup.
- ◆You want compliance (TCPA, DNC, consent tracking) enforced server-side instead of being a checklist you maintain.
Line by line.
| CAPABILITY | OPENPHN | BLAND |
|---|---|---|
| CORE | ||
| Schema-first outcomes (you declare the JSON shape) | ● | ○ |
| Webhook-native with HMAC signatures + retries | ● | ● |
| First-class MCP server | ● | ○ |
| First-class OpenClaw / Hermes / n8n skills | ● | ○ |
| STACK | ||
| Bring-your-own telephony (Twilio / Vonage / Telnyx) | ● | ◐ |
| Python + TypeScript SDKs | ● | ● |
| Streaming transcripts on the wire | ● | ● |
| COMPLIANCE | ||
| TCPA call-hour enforcement (server-side) | ● | ◐ |
| Suppression list scrubbing | ● | ◐ |
| SOC 2 Type II | In progress | ◐ |
| PRICING | ||
| Voice + extraction priced separately | ● | ◐ |
| No markup on carrier minutes | ● | ○ |
● full support · ◐ partial or with caveats · ○ not supported
Moving from Bland.
- 01
Map your Bland pathway to an outcome_schema
Each decision node in a Bland pathway becomes a field in the outcome schema. A 'did they book?' branch becomes `booked: { type: boolean }`. Replace prompt-engineered extraction with typed declarations.
- 02
Swap the dispatch call
Replace your Bland `POST /v1/calls/send` with OpenPhn's `POST /v1/calls`. The objective becomes the plain-English goal; tools become the outcome_schema.
- 03
Update your webhook handler
OpenPhn posts a signed JSON body with `outcome` already parsed. You can delete any regex / LLM re-extraction code you wrote around Bland's raw transcript.
- 04
Flip the consent enforcement
Remove your own TCPA / DNC gate — OpenPhn enforces it. Pass `consent_type` on each call and we handle the rest.
Bland publishes $0.09/min; the extraction + enforcement work typically lives in your code. OpenPhn is $0.06/min voice + $0.02/min extraction on Pro, all compliance included.
See the full OpenPhn pricing →