Memory + Cost Control + Gateway in one integrated suite. Agents that remember, stay in budget, and execute reliably — with any framework.
npm install sendryx-js
From zero to persistent agent memory in under 5 minutes.
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POST any context — facts, user prefs, past decisions — and Sendryx indexes it semantically.
POST /api/memory/store
Query in plain language. Get back the most relevant memories, ranked by meaning — not keyword.
POST /api/memory/search
No competitor owns all three. Sendryx is the only integrated suite that covers every risk point in a production agent stack.
A transparent proxy between your agents and every external API. Rate limiting, secret scrubbing, and full request logging — on every call, by default.
Explore Gateway →Set spend caps per namespace. Automatic circuit breakers stop runaway agents at the limit — not after the bill arrives. Webhook alerts at 80% and 100%.
Explore Cost Control →Persistent, searchable memory for any agent. Store facts, retrieve context, forget on command. Cross-session, cross-agent, framework agnostic.
Explore Memory API →Every agent infrastructure tool scores an F on memory. Sendryx is the only one that solves all three layers.
| Capability | Sendryx | Helicone | Portkey | LangSmith |
|---|---|---|---|---|
| AI Gateway / Proxy | A | B | A | F |
| Cost Control & Budget Caps | A | C | B | F |
| Persistent Agent Memory | A | F | F | F |
| Framework Agnostic | A | B | B | C |
| Secret Scrubbing | A | F | F | F |
| Observability & Logging | A | A | B | A |
Portkey is the gateway. Sendryx is the safety layer on top.
Helicone observes what happened. Sendryx prevents what shouldn't happen.
LangSmith optimizes LangGraph. Sendryx optimizes any agent.
Every production agent breaks in the same three ways. Sendryx closes all three gaps.
Agents loop. Agents retry. Without hard budget caps, a single bug becomes a five-figure bill. Cost Control gives every namespace a ceiling — requests return 402 the moment you hit it.
Agents pass API keys in request bodies. One misconfigured tool and your keys are in a log file. The Gateway scrubs secrets from every outbound request before they leave your stack.
Agents restart cold every session. They repeat questions, forget preferences, re-fetch data they already have. Memory API gives agents persistent, searchable context — across sessions, across agents.
Set budgets. Get alerts. Agents stop when the money runs out — not after.
Set daily, hourly, and total spend caps per namespace. One API call to lock in your limits across all agents and models.
When a namespace hits its limit, requests return 402 instantly. No runaway spend, no surprise invoices at end of month.
Get notified at 80% and 100% of budget via webhook. Slack, PagerDuty, or your own endpoint — configure once and forget.
Rate limiting, secret detection, and full observability built in. Every AI call through a single auditable chokepoint.
Forward any HTTP request through the gateway. Your agent's API calls land here first — route to OpenAI, Anthropic, or any target you specify.
Hard caps per API key: 100 req/min and 1,000 req/hr. Runaway agents hit 429s — not your credit card limit.
Outgoing request bodies are scanned for API keys, tokens, and passwords before forwarding. Secrets get redacted. Nothing leaks.
Persistent memory for AI agents — store, search, forget. One API. Agents that actually remember.
Write any text to a namespace-scoped memory store. Embeddings are generated automatically — no vectors to manage. Attach metadata. Set a TTL for short-term memory that auto-expires.
Retrieve by meaning, not keywords. Cosine similarity search across your namespace with a configurable relevance threshold. Returns ranked results with similarity scores.
Delete a single memory by ID or wipe an entire namespace. Explicit deletion only — nothing disappears unless you ask. Useful for user data erasure and compliance workflows.
Set expires_in_seconds on any memory. Expired memories auto-purge hourly. Short-term vs long-term context, built in.
Track stores, searches, deletes, and storage bytes per namespace via GET /v1/memory/usage. Know your memory footprint.
Every API key scopes to its own namespace. Cross-namespace reads are impossible by design — your agents' memories stay separate.
60 requests/min, 600/hr per key on memory endpoints. Prevents runaway embedding generation costs from misbehaving agents.
Pay for what you run. Gateway, Cost Control, and Memory API included on every plan.
Yes. Sendryx is framework agnostic — it works as an HTTP proxy, so it's compatible with LangChain, CrewAI, the Anthropic Claude Agent SDK, OpenAI Agents, AutoGen, and any stack that makes HTTP requests. No SDK installation required to use the Gateway or Cost Control.
Provider-side limits apply to the whole account, not per agent or namespace. Sendryx lets you set granular caps per team, campaign, or workflow. When a namespace hits its limit, we return 402 immediately — before the request goes upstream — so you're never charged.
Memory API is live. Store any text using POST /v1/memory/store — we auto-generate embeddings (OpenAI text-embedding-3-small, 1536 dims). Search semantically with GET /v1/memory/search. Delete individual memories or wipe a namespace. TTL support lets memories auto-expire. All memories are namespace-isolated by API key.
Every outbound request body is scanned with pattern matching for common secret formats — API keys, bearer tokens, connection strings, private keys. Detected secrets are redacted before the request leaves Sendryx, and you're flagged via webhook. Nothing reaches the target URL.
Yes. All plans are month-to-month. No contracts, no cancellation fees.
No account needed. Store a sentence, search with different words — watch the match happen.
Any text. Embeddings generated automatically.
Semantic, not keyword. "quick canine" finds "dog ran fast".
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Memory. Cost control. Gateway. Every production agent stack needs all three — and right now, no one else ships them together. Sendryx does.
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