Atmospheric CO2 Concentration (Mauna Loa)
APISold by Data 37
Monthly mean atmospheric CO₂ concentration (ppm) recorded at the Mauna Loa Observatory, Hawaii. Source: Rdatasets (Vincent Arel-Bundock) — https://vincentarelbundock.github.io/Rdatasets/doc/datasets/CO2.html Data vintage: 1959–1997 (published 1993) Cleaned and reformatted from the original; see source page for full documentation and citation.
The URL
Send a GET request — parameters go in the query string — no payment, no API key. The relay returns the origin's JSON response directly.
https://api.datapoint.market/r/data37/co2
Example request
{}
Response shape
Fields
- object
columnsarray of- string
notestringsample_rowsarray of- object
rownamesstringtimestringvaluestring
- object
Example rows
| rownames | time | value |
|---|---|---|
| 1 | 1959 | 315.42 |
Example response (JSON)
{
"columns": [
"rownames",
"time",
"value"
],
"note": "Free preview. Full file delivered on download.",
"sample_rows": [
{
"rownames": "1",
"time": "1959",
"value": "315.42"
}
]
}Call it from the shell
curl 'https://api.datapoint.market/r/data37/co2'
Call it from an agent
Connected in Claude (or any agent on the connector)? Buy it in one call — no API key, no signup. Call it once with no payment to take a free trial (real data) or get a price quote before you pay.
call_endpoint("data37", "co2", params={})
This endpoint is free — no account, no API key, no payment. Just call the URL and the relay returns the origin's response.
Provider: Data 37