Meet Pulsey, your agile
conversational partner.

Pulsey is a fast, grounded AI that chats, researches, writes, plans, and builds— all with tool use, retrieval, and streaming clarity. No fluff.

Try the Demo View Docs

Tool calling • Retrieval (RAG) • Streaming responses

Live Chat Demo

No backend required

What Pulsey does

From quick answers to multi-step workflows—Pulsey keeps up.

Fast & witty

Crisp, on-topic answers with optional citations and reasoning traces.

Grounded

Calls tools, searches, and your docs to keep outputs fresh and verifiable.

Conversational

Remembers context, adapts tone, and handles multi-step tasks.

Developer-ready

Simple SDKs, streaming APIs, and drop-in UI components.

Under the hood

An opinionated, production-friendly stack you can swap or extend.

Foundation5

TypeScriptReact / Next.jsViteTailwind CSSRadix UI

Inference & Tools5

LLM OrchestrationTool CallingFunction RoutingRAGVector Search

Ops5

Node.js + PythonFastAPIWebSocketsPostgresRedis

Platform5

DockerKubernetesCloudflareCDN CachingObservability

API & SDK

Stream responses, call tools, and retrieve context with a familiar interface.

import { Pulsey } from "@pulsy/sdk";

const client = new Pulsey({ apiKey: process.env.PULSEY_API_KEY });

const stream = await client.chat.stream({
  messages: [
    { role: "system", content: "Be helpful and concise." },
    { role: "user", content: "Summarize the latest research on LLM tool use." },
  ],
  tools: ["web", "code", "retrieval"],
});

for await (const delta of stream) {
  process.stdout.write(delta);
}

from pulsey import Client
import os

client = Client(api_key=os.environ["PULSEY_API_KEY"])

for chunk in client.chat.stream(
    messages=[
        {"role": "user", "content": "Extract dates and amounts from the text and return CSV."}
    ],
    tools=["retrieval", "web"],
):
    print(chunk, end="")

curl https://api.pulsey.ai/v1/chat \
 -H "Authorization: Bearer $PULSEY_API_KEY" \
 -H "Content-Type: application/json" \
 -N \
 -d '{
  "messages": [
    {"role":"user","content":"Plan a 2-day strategy offsite."}
  ],
  "stream": true,
  "tools": ["web", "calendar"]
}'

Simple pricing

Start free. Scale as you grow.

Starter

$0/mo

Play and prototype

100 chats/month
Basic tool use
Community support

Get started

FAQ

Answers to common questions.

What makes Pulsey different?

Pulsey combines speed, tool use, and retrieval with a conversational style that stays practical and verifiable.

Does the demo store my data?

The live demo on this page is local-only for illustration and does not send your text anywhere.

How do I integrate my data?

Use the retrieval tools to index content from docs, sites, or databases. Query-time citations keep answers grounded.

Meet Pulsey, your agile conversational partner.

What Pulsey does

Under the hood

API & SDK

Simple pricing

FAQ

Meet Pulsey, your agile
conversational partner.