Look up a Sisbén classification

Read registration and the official group and subgroup. A null registration means the source could not verify the document.

Scopes: any one of account:organizations:read, account:connections:read, account:connections:write
Credentials: an API key, a client-credentials token or a person's access token
Effect: read-only; safe to retry
Limits: request body up to 32 KB, response up to 256 KB
CLI: arbol sisben classifications lookup · MCP tool: sisben_classifications_lookup

POST

https://api.getarbol.com/v1/sisben/classifications/lookup

Authorization

Authorization
string
required
Bearer <token>, where the token is an API key, a client-credentials token or a person's access token with any one of the scopes account:organizations:read, account:connections:read, account:connections:write. Get an API key.

Request body JSON required

documentType
string
required
pattern: ^[A-Z]{2}$
documentNumber
string
required
pattern: ^(?:[0-9]{1,14}|[A-Z0-9]{8,10})$
agentMode
optional
boolean
Return a concise Spanish presentation of the same observation.

default: false

Returns

200

Successful operation.

JSON

success
true
required
data
required
One of the following:
object
object
object
object
object
object
object
}
error
unknown
required
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}

PLAIN

string

400

INVALID_INPUT: The request does not match the published schema.

JSON

success
false
required
data
unknown
required
error
object
required
The request does not match the published schema.
- code
  INVALID_INPUT
  required
  The failure code, stable across releases.
- message
  string
  required
  What went wrong, for people; it never contains input values.
- retryable
  false
  required
  Whether repeating the same request may succeed.
- data
  object
  required
  issues
  optional
  array of
  object
  path
  string
  required
  RFC 6901 JSON Pointer to the refused field; empty for the whole input.
  
  maxLength: 256
  message
  string
  required
  maxLength: 256
}
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}

401

UNAUTHORIZED: A valid access token is required.

JSON

success
false
required
data
unknown
required
error
object
required
A valid access token is required.
- code
  UNAUTHORIZED
  required
  The failure code, stable across releases.
- message
  string
  required
  What went wrong, for people; it never contains input values.
- retryable
  false
  required
  Whether repeating the same request may succeed.
- data
  object
  required
  No fields.
}
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}

403

FORBIDDEN: The token does not authorize this operation.

JSON

success
false
required
data
unknown
required
error
object
required
The token does not authorize this operation.
- code
  FORBIDDEN
  required
  The failure code, stable across releases.
- message
  string
  required
  What went wrong, for people; it never contains input values.
- retryable
  false
  required
  Whether repeating the same request may succeed.
- data
  object
  required
  No fields.
}
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}

413

REQUEST_TOO_LARGE: The request exceeds the allowed size.

JSON

success
false
required
data
unknown
required
error
object
required
The request exceeds the allowed size.
- code
  REQUEST_TOO_LARGE
  required
  The failure code, stable across releases.
- message
  string
  required
  What went wrong, for people; it never contains input values.
- retryable
  false
  required
  Whether repeating the same request may succeed.
- data
  object
  required
  No fields.
}
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}

415

UNSUPPORTED_MEDIA_TYPE: The request content type is not supported.

JSON

success
false
required
data
unknown
required
error
object
required
The request content type is not supported.
- code
  UNSUPPORTED_MEDIA_TYPE
  required
  The failure code, stable across releases.
- message
  string
  required
  What went wrong, for people; it never contains input values.
- retryable
  false
  required
  Whether repeating the same request may succeed.
- data
  object
  required
  No fields.
}
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}

429

RATE_LIMITED: The request rate limit was exceeded. Try again later.

JSON

success
false
required
data
unknown
required
error
object
required
The request rate limit was exceeded. Try again later.
- code
  RATE_LIMITED
  required
  The failure code, stable across releases.
- message
  string
  required
  What went wrong, for people; it never contains input values.
- retryable
  true
  required
  Whether repeating the same request may succeed.
- data
  object
  required
  No fields.
}
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}

500

INTERNAL_ERROR: The service could not complete the operation.

JSON

success
false
required
data
unknown
required
error
object
required
The service could not complete the operation.
- code
  INTERNAL_ERROR
  required
  The failure code, stable across releases.
- message
  string
  required
  What went wrong, for people; it never contains input values.
- retryable
  false
  required
  Whether repeating the same request may succeed.
- data
  object
  required
  No fields.
}
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}

502

OUTCOME_UNKNOWN: The operation may have been applied; check its result before repeating it.

JSON

success
false
required
data
unknown
required
error
object
required
The operation may have been applied; check its result before repeating it.
- code
  OUTCOME_UNKNOWN
  required
  The failure code, stable across releases.
- message
  string
  required
  What went wrong, for people; it never contains input values.
- retryable
  false
  required
  Whether repeating the same request may succeed.
- data
  object
  required
  No fields.
}
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}

503

UPSTREAM_UNAVAILABLE: The upstream service could not complete the request.

JSON

success
false
required
data
unknown
required
error
object
required
The upstream service could not complete the request.
- code
  UPSTREAM_UNAVAILABLE
  required
  The failure code, stable across releases.
- message
  string
  required
  What went wrong, for people; it never contains input values.
- retryable
  true
  required
  Whether repeating the same request may succeed.
- data
  object
  required
  No fields.
}
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}

504

UPSTREAM_TIMEOUT: The upstream service did not respond before its deadline.

JSON

success
false
required
data
unknown
required
error
object
required
The upstream service did not respond before its deadline.
- code
  UPSTREAM_TIMEOUT
  required
  The failure code, stable across releases.
- message
  string
  required
  What went wrong, for people; it never contains input values.
- retryable
  true
  required
  Whether repeating the same request may succeed.
- data
  object
  required
  No fields.
}
metadata
object
required
What every answer carries besides its data or error.
- requestId
  string
  required
  Request correlation identifier, also sent as X-Request-Id.
}