Synthflow Pricing
synthflow.ai · Conversational Marketing · refreshed 2026-05-06Synthflow is a pay-as-you-go API — sign up for an API key, then pay per call. Free tier available — Free to create an account and build an agent; usage charges apply only when calls or messages are made..
Page fetched 2026-05-09 · synthflow.ai · Pay-as-you-go API
synthflow.ai/pricing
Synthflow pricing
Sign up, get an API key, pay per call
Self-serve checkout with public pricing — an autonomous agent can complete the purchase without a sales call.
12 SKUs priced in mixed units (minute, month, concurrency)
| Model / SKU | Input | Output |
|---|---|---|
Voice Engine | $0.09 / minute | — |
Synthflow-managed Twilio | $0.02 / minute | — |
Bring Your Own Twilio | $0 / minute | — |
Performance Routing | $0.04 / minute | — |
Global Low Latency Edge | $0.04 / minute | — |
White‑Label & Reseller Toolkit Add‑on for enterprise branding | $2000 / month | — |
Extra Concurrency Per additional concurrency unit per month | $20 / concurrency | — |
GPT‑4.1 mini LLM | $0.02 / minute | — |
GPT‑4.1 LLM | $0.05 / minute | — |
GPT‑5 LLM | $0.04 / minute | — |
GPT‑5.1 LLM | $0.04 / minute | — |
GPT‑5.2 LLM | $0.04 / minute | — |
Estimate your monthly bill
Synthflow bills per usage. Set your expected monthly volume below.
Pick a model / SKU
Monthly usage (minute)
$0.090000 per minute · billed monthly
$0.0900
per monthSynthflow pricing FAQ
Synthflow pricing starts at $0/mo for the free plan; paid usage is billed per minute at $0.02–$0.09 depending on telephony and LLM choices, with add‑ons such as $2,000/mo white‑label and $20/mo per extra concurrency unit. Billed usage‑based.
Synthflow is priced per usage rather than per seat. Sign up for an API key, then pay per call.
Yes — Synthflow publishes a free tier. Free to create an account and build an agent; usage charges apply only when calls or messages are made..
Yes — Synthflow's purchase motion is self-serve. A checkout URL is published on the pricing page. No demo is required.
xpay scored Synthflow as agent-ready: every advertised plan is self-serve with public pricing. Synthflow publishes a pricing page with 3 discoverable plan tier(s). A usage-based price is published, though task-level forecasting requires the agent to estimate consumption first. Self-serve signup exists alongside a sales-led / custom tier. No public API documentation URL was discovered. For the full purchase simulation see the linked Agent-Ready Index scorecard.
In the Conversational Marketing category, xpay's Agent-Ready Index lists alternatives ranked by their ability to support AI agent purchase. Visit the agent-readiness scorecard for Synthflow to compare with 3 nearest peers.
Top Synthflow alternatives by pricing transparency
Can an AI agent buy from Synthflow?
85
/ 100 in xpay's Agent-Ready SaaS IndexSynthflow scores 85/100 on xpay's Agent-Ready Index v2: partial pricing visibility; self-serve checkout is available; a public API exists with documentation; usage-based / per-token pricing is publish…
See the full scorecardIncludes the 6-step agent purchase simulation, score breakdown across 7 dimensions, and the one-line fix that would lift Synthflow into the Agent-Ready Verified band.At a glance
Free to create an account and build an agent; usage charges apply only when calls or messages are made.
Pay-as-you-go
Pay-as-you-go
12 models priced per undefined
API key signup
12
Pay-as-you-go API
Most agent-ready
Synthflow pricing summary derived from a live read of https://synthflow.ai/pricing on 2026-05-06. For the agent-readiness assessment — including the 6-step purchase simulation and a per-dimension scorecard — see xpay's Agent-Ready SaaS Index entry for Synthflow.
Explore SaaS pricing across categories
25,480+ SaaS scored on agent-buyability — browse by readiness band, category, or jump straight to a pay-per-run tool on xpay.tools.