Query

Returns the results of a SQL read query against the Tableland network.

---

Endpoint

The /query endpoint supports both GET and POST requests, returning the results of a SQL read query, along with options for formatting the response.

GET /query or POST /query

GET request

The following describes the GET usage with placeholder parameters on a testnet gateway URL:

curl -X GET https://testnets.tableland.network/api/v1/query?format={objects|table}&extract={boolean}&unwrap={boolean}&statement={sql_select_statement} \
  -H 'Accept: application/json'

For example, to query the healthbot_80002_1 table with default formatting options:

curl -X GET https://testnets.tableland.network/api/v1/query?statement=select%20%2A%20from%20healthbot_80002_1 \
  -H 'Accept: application/json'

POST request

The following describes the POST usage with example parameters on a testnet gateway URL:

curl -L 'https://testnets.tableland.network/api/v1/query' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -d '{
    "statement": "select * from healthbot_80002_1",
    "format": "objects",
    "extract": false,
    "unwrap": false
  }'

Parameters

Name	In	Type	Required	Description
statement	query	string	true	The SQL read query statement
format	query	string	false	The requested response format: objects (array of objects) or table (object with columns and rows as properties).
extract	query	boolean	false	Whether to extract the JSON object from the single property of the surrounding JSON object.
unwrap	query	boolean	false	Whether to unwrap the returned JSON objects from their surrounding array.

Responses

Status	Meaning	Description	Schema
200	https://tools.ietf.org/html/rfc7231#section-6.3.1	Successful operation	Inline
400	https://tools.ietf.org/html/rfc7231#section-6.5.1	Invalid query/statement value	None
404	https://tools.ietf.org/html/rfc7231#section-6.5.4	Row Not Found	None
429	https://tools.ietf.org/html/rfc6585#section-4	Too Many Requests	None

Response properties

See the query formatting section for how to transform the response, such as composing a JSON object (e.g., for ERC721 compliance).

Example

curl -X GET https://testnets.tableland.network/api/v1/query?statement=select%20%2A%20from%20healthbot_80002_1 \
  -H 'Accept: application/json'

Or:

curl -L 'https://testnets.tableland.network/api/v1/query' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -d '{
    "statement": "select * from healthbot_80002_1"
  }'

Returns a successful (200) response:

[
  {
    "counter": 148247
  }
]