Communication ↗
Review response
A customer review → a brand-safe public response, the issues to log, and whether it needs human escalation.
POST /v1/review-reply$0.03/review · 3 credits, charged only on success
Send this
{
"review": "Two stars. The product is fine but delivery took three weeks and nobody answered my emails.",
"rating": 2,
"business": {
"name": "Loomworks",
"voice": "warm, direct, no corporate speak"
},
"resolution": "free shipping on next order"
}Every response carries usage — the credits burned and your remaining balance. A failed call never burns credits.
Try it live against your own key in the interactive reference; every account gets 500 free credits a month, no card.
Get this back
{
"reply": "That's on us — three weeks is far too long, and going quiet made it worse…",
"sentiment": "negative",
"issues": [
"Shipping delay (3 weeks)",
"Support unresponsive via email"
],
"escalate": false,
"usage": {
"credits": 3,
"balanceRemaining": 300
}
}Four ways in. Same $0.03/review.
curl
curl https://api.kynth.studio/v1/review-reply \
-H "Authorization: Bearer ksk_live_…" \
-H "Content-Type: application/json" \
-d '{"review":"Two stars. The product is fine but delivery took three weeks and nobody answered my emails.","rating":2,"business":{"name":"Loomworks","voice":"warm, direct, no corporate speak"},"resolution":"free shipping on next order"}'TypeScript
import { KynthCore } from "@kynth/api";
const kynth = new KynthCore({ apiKey: process.env.KYNTH_API_KEY! });
const result = await kynth.reviewReply({
"review": "Two stars. The product is fine but delivery took three weeks and nobody answered my emails.",
"rating": 2,
"business": {
"name": "Loomworks",
"voice": "warm, direct, no corporate speak"
},
"resolution": "free shipping on next order"
});Python
from kynth import Kynth
client = Kynth(api_key=os.environ["KYNTH_API_KEY"])
result = client.review_reply(
review="Two stars. The product is fine but delivery took three weeks and nobody answered my emails.",
rating=2,
business={
"name": "Loomworks",
"voice": "warm, direct, no corporate speak"
},
resolution="free shipping on next order",
)MCP
// One-time setup in your MCP client (Claude, Cursor, …):
{ "mcpServers": { "kynth-core": {
"command": "npx", "args": ["@kynth/api-mcp"],
"env": { "KYNTH_API_KEY": "ksk_live_…" } } } }
// Then the agent just calls the kynth_review_reply tool.More from communication
Summarize
$0.03/call
A meeting transcript, thread, or report → a tight summary, key points, and extracted action items.
Sentiment
$0.02/call
Turn a review or support message into a sentiment score, per-aspect breakdown, and the themes driving it.
Reply drafting
$0.05/reply
A customer thread plus your context → a ready-to-send reply in the right tone, with an internal note for the agent.