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GET
/
v1
/
variants
/
{variant_id}
Fetch a variant
curl --request GET \
  --url https://api.example.com/v1/variants/{variant_id} \
  --header 'Authorization: Bearer <token>'
{
  "candidate_id": "aaaa1111-bbbb-2222-cccc-3333dddd4444",
  "created_at": "2026-04-21T14:10:00+00:00",
  "id": "11112222-3333-4444-5555-666677778888",
  "is_baseline": true,
  "name": "Adalimumab baseline"
}

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Path Parameters

​
variant_id
string<uuid>
required

Response

Successful Response

A variant descended from a therapeutic candidate.

​
id
string
required

Opaque variant identifier (UUID).

Example:

"11112222-3333-4444-5555-666677778888"

​
name
string
required

Display name.

Example:

"Adalimumab baseline"

​
candidate_id
string
required

Therapeutic-candidate this variant belongs to.

Example:

"aaaa1111-bbbb-2222-cccc-3333dddd4444"

​
is_baseline
boolean
required

True for the immutable seed variant captured when the candidate was created. Baseline variants are read-only; all design work happens on descendants.

Example:

true

​
created_at
string
required

ISO-8601 timestamp (UTC) when the variant was created.

Example:

"2026-04-21T14:10:00+00:00"