Ship faster without backend glue code.
Compose multiple REST APIs in parallel, inject AES-256-GCM vault secrets at the edge, strip 90% of JSON bloat, and serve cached responses worldwide in under 10ms.
{
"customer": {
"id": "cus_P9kL82mX",
"plan": "pro_monthly",
"delinquent": false
},
"quota": {
"requestsUsed": 48210,
"requestsLimit": 1000000
}
}{
"summary": "Edge caching stores slimmed JSON at 300+ global PoPs for sub-10ms reads.",
"model": "gpt-4o-mini",
"tokensUsed": 64
}{
"heroBanner": "Ship faster without backend glue code",
"featuredCount": 4,
"weatherAlert": {
"degraded": true,
"status": "fallback_clear"
}
}Served globally via Cloudflare Edge Cache with normalized query keys.
Strip unused nested objects before bytes ever cross the mobile network.
Envelope-encrypted API keys injected only inside the edge isolate.
Replace fragile AWS Lambda, Express, and CORS proxy glue code forever.
Test the Declarative Payload Slimmer live.
Toggle the projection fields below to see how RealComposer transforms a bloated upstream API response into a surgical, strongly-typed JSON payload at the edge.
{
"stripe": {
"id": "cus_N91xK20a",
"object": "customer",
"email": "dev@acme.io",
"balance": 0,
"currency": "usd",
"delinquent": false,
"invoice_prefix": "ACME01",
"livemode": true,
"metadata": {
"tier": "pro",
"seats": 25,
"internal_crm_id": "hs_9918273"
},
"shipping": {
"address": {
"city": "Austin",
"country": "US"
}
}
},
"github": {
"login": "acme-eng",
"public_repos": 42,
"followers": 890,
"site_admin": false,
"gravatar_id": "",
"node_id": "MDQ6VXNlcjE="
}
}Click fields to project or strip them in real time:
{
"user": {
"customerId": "cus_N91xK20a",
"email": "dev@acme.io"
},
"billing": {
"tier": "pro"
},
"github": {
"repos": 42
}
}Everything your frontend needs between the client and third-party APIs.
Stop spinning up single-purpose Node.js servers or AWS Lambdas just to hide an API key or merge two endpoints. RealComposer gives you four battle-tested primitives in one edge pipeline.
1. Zero-Leak Edge Secret Vault
Never ship sk_live_, OpenAI, or Supabase service-role keys inside mobile binaries, FlutterFlow, or React bundles. Store secrets in the encrypted vault and inject them at runtime via {{secrets.KEY}}.
2. Parallel Multi-API Composition
Replace slow client-side request waterfalls with a single edge call. Fan out to up to 5 upstream REST APIs simultaneously with independent step timeouts and automatic fallback JSON when a third-party service degrades.
3. Declarative Payload Slimmer
Third-party APIs return hundreds of lines of metadata your UI never uses. Map only the exact fields you need into a clean schema and strip sensitive internal fields before the response leaves the edge.
4. Sub-10ms Global Edge Caching
Configure a per-pipeline TTL in seconds. RealComposer normalizes query parameters and caches the slimmed JSON payload at the edge, shielding you from upstream rate limits and billing spikes.
Delete your backend glue code.
Compare the traditional multi-service waterfall against a single RealComposer Edge Pipeline.
Without RealComposer (DIY Glue Backend)
- Exposed Secrets or Boilerplate Proxies: You either leak API keys in client code or maintain custom AWS Lambda / Express proxy routes for every integration.
- Client Request Waterfalls: Mobile and web clients make 3-4 sequential round-trips across high-latency cellular networks.
- Bloated Upstream Payloads: Downloading 25KB+ of raw Stripe, HubSpot, or OpenAI JSON just to render 3 strings in your UI.
- Fragile Failure Handling: One slow or rate-limited third-party API crashes your entire screen.
With RealComposer Edge Pipeline
- Zero-Server Secret Injection: Store keys once in the AES-256-GCM Vault and reference
{{secrets.KEY}}in headers or URLs. - Single Round-Trip Fan-Out: Your frontend hits one
/v1/workspace/slugURL; the edge executes all upstream calls in parallel. - Surgical 300-Byte Payloads: Declarative output mapping strips 90%+ of unused fields automatically.
- Per-Step Fallbacks & Global Cache: Graceful fallback JSON on upstream errors and instant Cloudflare edge caching.
From sign-in to live edge endpoint in 3 steps.
Add your API keys to the Vault
Sign in with GitHub or Google and paste your Stripe, OpenAI, Supabase, or custom bearer tokens. Every secret is encrypted immediately with AES-256-GCM.
Configure parallel steps & output fields
Define up to 5 parallel upstream HTTP calls, set timeouts and fallback JSON, and map only the exact fields your frontend component needs.
Fetch your live /v1/ edge URL
Call your endpoint directly from React, FlutterFlow, Retool, or Swift with built-in CORS, sub-10ms edge caching, and live execution telemetry.
Explore ready-to-ship API recipes for your stack.
Browse step-by-step blueprints for securing API keys, combining multi-service data, and accelerating frontend apps.
Call Stripe API from FlutterFlow Securely Without Exposing Secret Keys
Inject your Stripe Secret Key at the Cloudflare edge and keep sk_live_ credentials 100% invisible to client decompilation.
Merge Supabase Profiles & Stripe Subscriptions into One Endpoint
Execute Stripe and Supabase REST queries concurrently and project a unified 300-byte billing status object.
Explore 100+ Platform & Third-Party API Integration Blueprints
Find drop-in configurations for HubSpot, Shopify, Airtable, Bubble, WeWeb, Next.js, and mobile BFF endpoints.
Start building for free. Scale when you ship.
Every account starts on the Free tier with full access to the AES-256-GCM Secret Vault, Parallel Executor, Payload Slimmer, and Global Edge Cache.
For solo developers prototyping edge BFF endpoints, mobile apps, and low-code integrations.
- 3 active edge pipelines
- 10,000 edge requests / month
- AES-256-GCM Encrypted Secret Vault
- Up to 5 parallel HTTP steps per pipeline
- Declarative Payload Slimmer & Global Edge Cache
For production SaaS applications, client agencies, and high-traffic frontends that need 100x capacity.
- 50 active edge pipelines (16x Free)
- 1,000,000 edge requests / month (100x Free)
- Unlimited Encrypted Vault Secrets & Key Rotation
- Per-step Fallback JSON & Execution Telemetry Logs
- Instant Stripe Customer Portal & Usage Alerts
Deploy your first edge pipeline in under 60 seconds.
Create a free workspace with GitHub or Google, or jump straight into the interactive Payload Slimmer without signing up.