42A × Custom API & MCP

If your business can expose it, 42A can orchestrate it.

Build custom integrations with typed actions, scoped credentials, validation hooks and full observability across every agent interaction.

All integrations

What becomes possible

What Custom API can do with 42A.

Connect proprietary systems through APIs, tools and event streams.

Define typed actions

Describe inputs, permissions and outputs so agents can use capabilities reliably.

Enforce your logic

Validate every request against your own policy and eligibility services.

Observe everything

Trace calls, outcomes and failures with consistent journey identifiers.

How it connects

How Custom API connects.

42A implements your custom APIs and tools on your behalf, exposing approved capabilities and validating every call against your business rules.

Any agent Speaks Custom API
42A · Custom API Validates every call
Your systems Where the action runs
  1. 01 Capability defined schema · typed inputs + outputs
  2. 02 Request validated validate · scopes, rate limit
  3. 03 Action executed execute · your eligibility service
  4. 04 Trace recorded trace · journey id attached
Result eligible: true · 38 ms · fully traced

Your business stays in control

Personalized to the individual. Governed by your rules.

  • Typed, versioned tools
  • Request validation
  • Scoped permissions
  • Trace every call

Build the journey

What pairs well with Custom API?

Not similar products: complementary connections that add the next useful layer to the same customer journey.

Agent channels ChatGPT

Begin the journey where customer intent appears
Customer intelligence Salesforce

Add identity, history and customer knowledge
Commerce & content Shopify

Turn the recommendation into a commerce action

FAQ / Custom API questions

What teams ask about the Custom API & MCP integration.

Clear answers about how 42A connects context, systems and customer action.

01

What does the 42A Custom API & MCP integration do?

Build custom integrations with typed actions, scoped credentials, validation hooks and full observability across every agent interaction.

02

What becomes possible with Custom API & MCP?

Three things. Define typed actions: describe inputs, permissions and outputs so agents can use capabilities reliably. Enforce your logic: validate every request against your own policy and eligibility services. Observe everything: trace calls, outcomes and failures with consistent journey identifiers. Together they form one connected customer journey.

03

How does 42A keep Custom API & MCP actions controlled?

42A scopes the Custom API & MCP connection to approved data and capabilities, validates requests against your policies, and keeps an auditable record of every interaction. Your existing permissions and business rules remain the source of control.

04

Where does Custom API & MCP fit in the customer journey?

A typical journey runs in four steps: capability defined, request validated, action executed and trace recorded. 42A carries the customer’s intent and relevant context between those steps, so Custom API & MCP can add value without forcing the customer to start again.

42A × Custom API & MCP

If you run it, agents can use it.

Bring one customer journey. Our integration team will show you the connection working end to end.

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