GET data/connection
Summary: Query connections (aka relationships) between two objects, referred to as 'object 1' and 'object2'
Operation ID: —
Auth: none
Operation ID: —
Auth: none
Parameters (7)
object1Id
(string, query, optional)
the ID of object 1 to find connections for
object1Name
(string, query, optional)
the name of object 1 to find connections for
object1Type
(string, query, optional)
the type of object 1 to find connections for
object2Id
(string, query, optional)
the ID of object 2 to find connections for
object2Name
(string, query, optional)
the name of object 2 to find connections for
object2Type
(string, query, optional)
the type of object 2 to find connections for
view
(string, query, optional)
How much data to retrieve on the object
Constraints: {'enum': ['min', 'base', 'max']}
Examples (3)
| Title | Type | URL | Action |
|---|---|---|---|
| Find connections for a specific gene by ID | curl |
https://api.pharmgkb.org/v1/data/connection?object1Type=Gene&object1Id=PA267 |
|
| Find connections between warfarin and related genes | curl |
https://api.pharmgkb.org/v1/data/connection?object1Type=Chemical&object1Name=warfarin&object2Type=Gene |
|
| Get detailed view of connections between CYP2C9 gene and chemicals | curl |
https://api.pharmgkb.org/v1/data/connection?object1Type=Gene&object1Id=PA126&object2Type=Chemical&view=max |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 10:45:28.372970 | 200 | 650ms | |
| 2026-03-23 10:44:25.245218 | 200 | 790ms | 1.9MB |
| 2026-03-23 10:33:24.363297 | 200 | 587ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 10:44:25.245218 | b0bc13da2d09 |
f4e888f1f21e |
| 2026-03-23 10:45:28.372970 | f4e888f1f21e |
f3e642af053b |