---
title: "CreateAgentCredential"
description: "Create an agent credential"
canonical: "https://pgbeam.com/docs/go-sdk/agents/createAgentCredential"
last-updated: "2026-09-14T19:37:21.000Z"
---

# CreateAgentCredential

> Create an agent credential

URL: https://pgbeam.com/docs/go-sdk/agents/createAgentCredential

Issues a scoped Postgres login and hosted MCP token for an AI agent. The connection string and MCP token are returned once and cannot be retrieved again.

## Usage

## Parameters

Parameter

Type

Required

Description

ctx

`context.Context`

Yes

Request context

projectID

`string`

Yes

Unique project identifier (prefixed, e.g. prj\_xxx).

req

`pgbeam.CreateAgentCredentialRequest`

Yes

Request body

req.Name

`string`

Yes

Human-readable label for the credential.

req.PolicyProfileID

`string`

Yes

The policy profile to enforce for this credential.

req.PrincipalType

`*string`

No

Whether this credential represents an autonomous agent or a human operator.

req.ExpiresAt

`*string`

No

Optional expiry. When set, the credential becomes unusable at this time (must be in the future). Omit or set null for a credential that never expires.

## Response

`(*pgbeam.AgentCredentialSecrets, error)`: agent credential created. secrets shown once.

## Example

## Errors

Status

Description

400

The request was rejected. `code` is `INVALID_INPUT`, and `errors` names the offending fields when the failure was a validation one.

401

Missing or invalid authentication. `code` is `UNAUTHORIZED`.

403

Agent credential quota reached for the organization plan.

404

The resource does not exist, or the caller is not entitled to know that it does. `code` is `NOT_FOUND`.

409

The request conflicts with the current state. `code` distinguishes the cases: `RESOURCE_EXISTS` for a name or value already in use, `INVALID_STATE` for a resource that is no longer in a state that allows the operation, and `IDEMPOTENCY_KEY_REUSED` for a retry whose body does not match the request the key was first used for.

413

The request body exceeds the 2 MB limit. `code` is `PAYLOAD_TOO_LARGE`.

415

The request body is not JSON, or carries a body without declaring a Content-Type. `code` is `UNSUPPORTED_MEDIA_TYPE`.

429

Rate limited. `code` is `RATE_LIMITED`.

500

The request failed for a reason on our side. `code` is `INTERNAL_ERROR`. Quote `request_id` when reporting it.