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API Reference
API Reference

Create an API key

Create a Standard API key. Save the plaintext key returned by this operation because it is shown once.

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Create a Standard API key. Save the plaintext key returned by this operation because it is shown once.

Endpoint

POST /api/v1/keys
Base URL
https://runapi.ai
API version
v1
Authentication
Authorization: Bearer YOUR_MANAGEMENT_API_KEY
Authorization
Requires an account-admin Management API key. The new Standard API key is owned by the caller.
02

Request

JSON body

Send values only in the listed request location.

JSON body7 fields
allowed_modelsarray | null
Optional

Optional allowlist of model identifiers.

credit_limit_centsinteger | null
Optional

Optional spending cap in USD cents.

credit_limit_reset_intervalstring | null
Optional

Optional reset cadence for the key spending cap.

Allowed values: daily, weekly, monthly
credit_limit_windowsobject
Optional

Rolling spending caps keyed by 1h, 1d, or 7d; each value contains a positive integer limit_cents.

enabledboolean
Optional

Whether requests using this key are accepted.

Default: true
guardrail_idstring
Optional

Optional guardrail prefix ID to attach at creation.

namestring
Optional

Friendly name for the API key.

03

Success response

HTTP 201

POST /api/v1/keys

JSON 
{
  "allowed_models": [
    "gpt-5.4"
  ],
  "created_at": "2026-07-27T10:00:00.000Z",
  "credit_limit_cents": 1000,
  "credit_limit_reset_interval": "daily",
  "credit_limit_windows": {
    "1d": {
      "limit_cents": 500
    },
    "1h": {
      "limit_cents": 100
    },
    "7d": {
      "limit_cents": 2000
    }
  },
  "enabled": true,
  "guardrail_id": "guardrail_123",
  "id": "token_123",
  "key": "runapi_plaintext_example",
  "last_used_at": null,
  "masked_token": "runapi_abc...wxyz",
  "name": "Production"
}
04

Error response (401)

HTTP 401
Response schema
JSON 
{
  "properties": {
    "error": {
      "description": "Human-readable error message.",
      "type": "string"
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}

Response example

JSON 
{
  "error": "Authentication required"
}
05

Error response (403)

HTTP 403
Response schema
JSON 
{
  "properties": {
    "error": {
      "description": "Human-readable error message.",
      "type": "string"
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}

Response example

JSON 
{
  "error": "Management API key required"
}
06

Error response (403)

HTTP 403
Response schema
JSON 
{
  "properties": {
    "error": {
      "description": "Human-readable error message.",
      "type": "string"
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}

Response example

JSON 
{
  "error": "Account admin required"
}
07

Error response (400)

HTTP 400
Response schema
JSON 
{
  "oneOf": [
    {
      "properties": {
        "error": {
          "description": "Human-readable error message.",
          "type": "string"
        }
      },
      "required": [
        "error"
      ],
      "type": "object",
      "unevaluatedProperties": false
    },
    {
      "properties": {
        "error": {
          "description": "Human-readable validation summary.",
          "type": "string"
        },
        "errors": {
          "additionalProperties": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "description": "Validation messages keyed by public request field, with an array of human-readable strings for each field.",
          "type": "object"
        }
      },
      "required": [
        "error",
        "errors"
      ],
      "type": "object",
      "unevaluatedProperties": false
    }
  ]
}

Response example

JSON 
{
  "error": "page must be an integer"
}
08

Error response (422)

HTTP 422
Response schema
JSON 
{
  "properties": {
    "error": {
      "description": "Human-readable validation summary.",
      "type": "string"
    },
    "errors": {
      "additionalProperties": {
        "items": {
          "type": "string"
        },
        "type": "array"
      },
      "description": "Validation messages keyed by public request field, with an array of human-readable strings for each field.",
      "type": "object"
    }
  },
  "required": [
    "error",
    "errors"
  ],
  "type": "object",
  "unevaluatedProperties": false
}

Response example

JSON 
{
  "error": "Validation failed",
  "errors": {
    "base": [
      "Validation failed"
    ]
  }
}
09

cURL example

CURL 
curl -X POST https://runapi.ai/api/v1/keys \
  -H 'Authorization: Bearer YOUR_MANAGEMENT_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{"name":"Production","credit_limit_cents":1000,"credit_limit_reset_interval":"daily","credit_limit_windows":{"1h":{"limit_cents":100},"1d":{"limit_cents":500},"7d":{"limit_cents":2000}},"allowed_models":["gpt-5.4"],"guardrail_id":"guardrail_123"}'