Sisbén API

A person's Sisbén IV registration, with its official group and subgroup.

Base URL: https://api.getarbol.com/v1/sisben
Authentication: an API key or an OAuth access token, as Authorization: Bearer <token>. Get an API key.
Before you start: Sisbén is included with Arbol: your organization's Owner turns it on in Integrations in Arbol Account (how), or turn it on with account.registryInstallations.update.
SDKs and tools: TypeScript (arbol.sisben), Rust, the CLI and MCP. Every endpoint has a sample for each.
OpenAPI: openapi.json, to import into Postman or generate a client.

Try it with Look up a Sisbén classification:

curl https://api.getarbol.com/v1/sisben/classifications/lookup \
  --request POST \
  --header "Authorization: Bearer $ARBOL_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
  "documentType": "CC",
  "documentNumber": "<documentNumber>"
}'

Classifications

Look up a Sisbén classification
POST /v1/sisben/classifications/lookup