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MemoryKit
Now open — free tier, no credit card

Your users deserve apps
that remember them.

Build apps that remember every user. One API — and your product feels like magic.

Get Free API KeyRead Docs
Real-time
responses
~99.9%
uptime
~5 min
to go live
4 SDKs
TS · Python · Swift · Kotlin
memorykit
import memorykit

mk = memorykit.Client("ctx_your_api_key")

# Monday: user chats with your AI assistant
mk.memories.create(
    user_id="sarah_dev",
    content="Building a fitness app with React Native and Supabase. Loves TailwindCSS.",
    metadata={"source": "chat"}
)

# Friday: she comes back — your AI picks up right where they left off
results = mk.memories.search(
    query="What tech stack is she using?",
    user_id="sarah_dev"
)
# → "Building a fitness app with React Native and Supabase..." 0.94

See it work — remember to recall instantly.

Remember
mk.memories.create(
content="I prefer dark mode and use React."
metadata={"source": "onboarding"}
)✓
mk.memories.create(
content="Working on a Next.js SaaS app."
metadata={"source": "chat"}
)✓
mk.memories.create(
content="Interested in edge deployment."
metadata={"source": "chat"}
)✓
mk.memories.create(
content="Budget is $50/mo for infra."
metadata={"source": "chat"}
)✓
Recall
results = mk.memories.search(
query="What stack does this user prefer?",
precision="high"
)
{
"memories": [{ 
"content": "I prefer dark mode and use React."
"score": 0.94
}, ...]
"latency": "12ms"
}

Your users keep repeating themselves. Fix that.

Without memoryGeneric responses
With MemoryKitPersonalized

Build smarter, spend less.

Without memory, your app re-sends the entire conversation every call. With MemoryKit — only what's relevant.

500
505,000
~30.0M
words / month
without memory
~10×
~3.0M
words / month
with MemoryKit

Less data in, better answers out. And your bill thanks you.

You build the product. We handle the memory.

Understands meaning, not just keywords

Your app understands what users mean, not just what they type.

Always finds the right answer

Multiple search strategies working together — so your app returns the best results every time.

Connects the dots between users and data

Your app learns who likes what and how things connect.

Private memory for every user

Every user gets their own private memory space.

Handles messy questions gracefully

Even vague questions return the right answer.

Works with your language

Ship on any platform — Python, TypeScript, Swift, Kotlin, or plain HTTP.

Your app connects the dots automatically.

Preferences, habits, and history — linked together with zero setup.

Fitness coachHealth & wellness app
is ahasgoaleatsworks out atstartedsafe forJordanmorning personknee injurylose 10 lbsvegetarianhome gymyoga
Travel plannerTrip booking assistant
preferslovesplanningneedswantsbooks viacombinesMiabudget tripsphotographyJapan tripvegan foodhikingAirbnb
ShoppingE-commerce assistant
hasrequiresbudgetboughtlooking forfiltered byverifiedEmmasensitive skincruelty-freeunder $30moisturizersunscreenfragrance-free
Person
Preference
Topic
Goal
Service

What will you build?

Personal assistants

Assistants that know each user by name, style, and history.

E-commerce & Support

"You bought this last month" — without your user saying a word.

EdTech & Tutoring

Tutors that adapt to how each student learns best.

Health & Wellness

Wellness apps that track goals and keep data private.

Ship with confidence.

Your users' data is safe

Encrypted, separated per user, and fully trackable.

No lock-in

Your data stays yours. Export or delete anytime.

GDPR sorted

EU hosting available. Export, delete, and sign privacy agreements — all self-serve.

Plug in, ship

Four SDKs, a REST API, and works with any model you choose.

Get Free API Key →

Questions? Reach out directly — @benfilippov or hello@memorykit.io

What does it cost at your scale?

Start free. Scale as you grow. No surprise bills.

How many queries per month?

1,000

01K10K100K500K500K+
Free
→
$0 forever

Free

$0forever

Your app starts remembering today.

1,000 queries per month
1,000 memories
100 MB storage
1 project
All SDKs (TS, Python, Swift, Kotlin)
Community support
Get Free API Key

Starter

$29/month

Ship a product that knows every user.

10,000 queries per month
10,000 memories
1 GB storage
3 projects
All SDKs
Email support
Get Started
Popular

Pro

$79/month

Your app is growing. Its memory grows too.

100,000 queries per month
100,000 memories
10 GB storage
10 projects
All SDKs
Automatic connections
Webhooks
Priority support
Get Started

Scale

$249/month

A million memories. Zero missed answers.

500,000 queries per month
1,000,000 memories
100 GB storage
Unlimited projects
All SDKs
Automatic connections
Webhooks
99.9% uptime guarantee
Priority support
Get Started

Enterprise

Dedicated everything. Let's build it together. Unlimited everything, dedicated servers, custom uptime guarantee.

Contact Us

Build the app your users won't forget.

Get Free API Key →