Tesouro Direto Bond Rates Dataset: Metadata, Licence and Download Links (Tesouro Transparente)

tesouro/tesouro-direto-rates-dataset

The catalogue record of the Brazilian National Treasury's dataset of Tesouro Direto bond rates and prices: its description, ODbL licence, tags, last-modified time and the links to its downloadable files (a CSV of daily rates since 2002 and a PDF of metadata). Returns metadata and links only, not the rates themselves. Text is in Portuguese. Tesouro Transparente data under the Open Database Licence, served by Eden Engine; not an official Tesouro Nacional product.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $5.

Data source

Tesouro Transparente (Tesouro Nacional)

Data from Tesouro Transparente, Tesouro Nacional (Brazilian National Treasury), published under the Open Database Licence (ODbL) 1.0; licence notices retained. Credit: Tesouro Nacional / Tesouro Transparente. Served by Eden Engine; not an official Tesouro Nacional product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

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agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "tesouro/tesouro-direto-rates-dataset" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "tesouro/tesouro-direto-rates-dataset" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "tesouro/tesouro-direto-rates-dataset", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "tesouro/tesouro-direto-rates-dataset", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

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Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0026

Updated: Oct 20, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "required": [
    "id"
  ],
  "properties": {
    "id": {
      "enum": [
        "taxas-dos-titulos-ofertados-pelo-tesouro-direto"
      ],
      "type": "string",
      "description": "The dataset's name in the Tesouro Transparente catalogue. Only the Tesouro Direto bond rates dataset is available here: taxas-dos-titulos-ofertados-pelo-tesouro-direto. Find other datasets with the dataset search tool."
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "id",
    "name",
    "title",
    "license_title",
    "resources"
  ],
  "properties": {
    "id": {
      "type": "string",
      "description": "Dataset UUID."
    },
    "name": {
      "type": "string",
      "description": "Dataset name used in the catalogue URL."
    },
    "tags": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": true
      },
      "description": "Subject tags, each with a `name` and `display_name`."
    },
    "notes": {
      "type": "string",
      "description": "Dataset description, in Portuguese."
    },
    "title": {
      "type": "string",
      "description": "Dataset title, in Portuguese."
    },
    "author": {
      "type": "string",
      "description": "Publishing unit within the Treasury."
    },
    "resources": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": true
      },
      "description": "The downloadable files: `name`, `format` (CSV, PDF), `size` (bytes, as a string), `description` and a download `url`."
    },
    "license_id": {
      "type": "string"
    },
    "license_url": {
      "type": "string"
    },
    "organization": {
      "type": "object",
      "additionalProperties": true
    },
    "license_title": {
      "type": "string",
      "description": "Licence name (Open Database Licence, ODbL)."
    },
    "num_resources": {
      "type": "integer"
    },
    "metadata_created": {
      "type": "string",
      "description": "UTC time, no zone suffix."
    },
    "metadata_modified": {
      "type": "string",
      "description": "UTC time of the last catalogue update, no zone suffix."
    }
  },
  "description": "The dataset record from the Tesouro Transparente catalogue (CKAN package).",
  "additionalProperties": true
}