SANDBOXStart here
Relt API
Test your Agent, conversations, tools and runtime behavior without touching production.
agent = sales-assistant@1.1.1
provider = RELT
mode = sandbox
status = connected
AI agents · WhatsApp · Production
Build AI agents that actually do the work on WhatsApp.
RELT helps you build, deploy and monitor AI agents that handle real conversations, automate business processes and run in production — all through WhatsApp.
Sandbox availableMeta production readyProvider-agnostic agents
REAL AGENT DEMO
Live
Customer
Online
Today
Necesito 30 Camisetas Blancas.
10:24
Agent is processing…
Type a message…
Flow
Running- Intent detected10:24
place_order
- Skill selected—
sales-assistant@1.1.1
- products.search—
13ms
- quotes.create—
18ms
- Quote created—
COT-2026-000052
- Agent response—
sent
Detail
ACTIVEintent.classify● RUNNING
POST /v1/intents/classify
{ "message":
"30 camisetas blancas" }
→ intent: place_order
→ confidence: 0.97→ Agent runtime connected
Connect
Build in sandbox. Run the same Agent in Production.
Test your agents quickly, then connect real business numbers through Meta when you are ready.
Same Agent · Different Provider
PRODUCTIONGo live
Meta Cloud API
Connect real WhatsApp business numbers without rebuilding your Agent or changing its runtime.
agent = sales-assistant@1.1.1
provider = META
mode = production
status = authenticated
One Agent. Two environments. No rebuild.
Same Skills•Same Tools•Same Runtime•Different Provider
Build
Give your Agent everything it needs to act.
RELT combines agent intelligence with the controls required to execute real work safely.
Click a capability to explore
Agent
intelligence
action
control
The observable runtime where the Agent turns context into action.
Selected capability
Skills
Skills package reusable, versioned behavior so your Agent can specialize without changing the runtime.
Intelligence→Action→Control→Observable execution
Observe
See what your Agents are doing in Production.
Trace every Agent run from intent to action, result and response.
Example execution
CompleteMessage
Necesito 30 camisetas blancas.
Channelwhatsapp
Message IDmsg_8f21
Pipelinenormalized
Inbound customer message received and normalized by the messaging pipeline.
Traced by RELT Agent Execution
Message→Intent→Skill→Tool→Tool→Result→Response
API
100%
Latest observed production availability.
API p95
~10ms
Latest observed control-plane latency.
Telemetry
Prometheus
SLOs, alerts and execution telemetry.
Developers
Build with RELT. Extend it as you Grow.
Use the API, receive reliable events, and extend RELT through the developer platform as it grows.
Selected capability
API
AvailableHTTP · JSON
Send a WhatsApp message
Send messages directly through the RELT API.
POST /v1/messages
JSON request / response
Bearer token auth
Example
HTTP · JSONPOST https://api.relt.dev/v1/messages
Authorization: Bearer ${RELT_API_KEY}
Content-Type: application/json
{
"to": "+573001234567",
"text": "Hello from RELT"
}Pricing
Build your Agent. Test it Free.
Create, test, and refine your AI Agent in the RELT sandbox for 10 days.
DEVELOPER TRIAL
10 DAYS FREE$0for 10 days
Everything you need to create, test, and refine an AI Agent before taking it to production.
✓Agent Runtime
✓Skills & Tools
✓Memory
✓Multimodal agents
✓WhatsApp sandbox
✓Execution tracing
No billing during the trial. No credit card required.
PRODUCTION
Ready for a real WhatsApp number?
Keep the Agent you built in the sandbox and take it to production with Meta when you are ready.
✓Keep the same Agent
✓Connect a real WhatsApp number
✓Production infrastructure
✓Usage-based plans as RELT evolves
Production plans
Production pricing will evolve as RELT expands.
Build once.•Test in the sandbox.•Take your Agent to production.
Build your agent
Build your first Agent. Take it to Production.
Start in the sandbox, give your Agent the tools it needs, and move to a real WhatsApp number when you are ready.
10 days free · Evolution sandbox · Meta production