AI backend infrastructure

Build AI-powered tools. Keep your business in control.

Build customer support, CRM assistants, document processing, and more without building AI infrastructure. Connect once to every major AI model while your backend controls what AI sees and does.

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13 AI providers 98 models 12 ready-made templates Switch providers anytime
Customer request
AI-powered tool
ModelRiver AI backend Processing
Controls Context Session Allowed tools Model
Check availability Ready
Find best seats Ready
Reserve seats Pending
Send confirmation Ready
Your backend
Venue API Pricing Calendar
Best seats secured — Front row, Center
Premium upgrade available

Build customer support AI, CRM assistants, and more

Start from a proven workflow instead of building everything from scratch.

Customer support AI

Resolve tickets and answer customers with AI that understands your product.

Browse use cases
Where is my invoice?
Sent it — check [email protected] Resolved

AI CRM assistant

Qualify leads, update records, and draft follow-ups automatically.

Browse templates
Acme Inc. Lead · website form
Follow-up drafted automatically

Document processing

Extract, classify, and summarize documents with structured outputs.

View guides
type invoice
total $1,240
summary 3 points

Why teams build with ModelRiver

See how teams use ModelRiver

Test AI before you pay

Test workflows with sample responses before paying AI providers.

Open playground

Test workflow

Sample JSON in, structured response out

Send request
Testing mode — returns sample data, no provider call
Workflow
book_info
{ "messages": [{ "role": "user", "content": "Percy Jackson" }] }
Response
{
  "title": "Percy Jackson & the Olympians",
  "author": "Rick Riordan",
  "genre": "Fantasy"
}

Connect once, use any AI

One integration works with OpenAI, Anthropic, Gemini, and more. Switch providers from the dashboard.

Swap a provider
book_info
Testing Chat
Primary
OpenAI
gpt-5-mini
Backups
Anthropic
claude-haiku-4-5

Structured outputs

JSON schemas for responses

sample 4 properties
book_notes 3 properties

Keep AI costs predictable

Daily budgets. Live usage. No surprise bills.

Set a budget
customer_support_workflow
Live
Primary model $20/day
gpt-5.4-mini
$7 of $20 used$13 left today
Backup model $10/day
claude-haiku-4-5
$2 of $10 used$8 left today

See every step of a request

Follow AI requests through every backend pipeline until the final response.

View request log

Request details

ticket_creat… OpenAI · gpt-5-mini 140d ago
Success
Tokens
836
Duration
8.4s
Price
$0.0009
Timeline
Failed OpenAI gpt-5-mini — rate limit exceeded 0ms
Failover Retrying Anthropic claude-haiku-4-5 1.2s
Success Structured output delivered to webhook 8.4s

One connection. Every AI model. You stay in control of your data.

Your app connects to ModelRiver once. ModelRiver talks to AI providers, retries requests, and runs multi-step workflows. Your business logic stays in your system.

Learn more about request flow
Your app
POST /v1/chat/completions POST /v1/ai POST /v1/ai/async POST /v1/callback/:channel_id
ModelRiver
Backend pipelines AI orchestration Auto failover Guardrails Spending limits Testing Caching Cost analysis Sessions
Your backend & data
Your CRM Your database (Supabase • Neon • Postgres) Your business rules Your API keys & secrets

All major AI providers

You control your data and API keys. ModelRiver handles routing, retries, and provider management.

Why not just hand it to an AI agent?

AI agents often work best when given broad access. ModelRiver lets your backend decide exactly what AI receives instead.

Agents
ModelRiver
Where your data goes
Can require broad access to your systems and data
Your backend decides exactly what information AI receives
Building AI workflows
You orchestrate retries, multiple AI calls, and integrations yourself
Built-in backend pipelines coordinate AI and your code
Switching providers
Usually requires engineering work and redeployment
Switch providers from the dashboard
AI costs
Often send every task to larger AI models
Use the right AI model for each task to help reduce costs
Who pays for AI
You pay AI providers directly
Same. You pay AI providers directly. We charge only for the ModelRiver platform.
See all providers

Start building AI-powered business tools.

Start free