vfields

POST /vfields

Changed on Oct 16, 2026

Creates a virtual field on a dataset. Axiom sets its ID to <dataset>.<name>, so the name must be unique within the dataset. expression must be a valid APL expression.

Request

Base URL
https://api.axiom.co/v2
Auth
OAuth 2
Authorization codehttps://accounts.google.com/o/oauth2/v2/auth
Token URLhttps://www.googleapis.com/oauth2/v4/token
ScopesvirtualFields|create
TypeScript
https://skmtc.dev/axiom/apis/axiom-public-api/docs/vfields/post.ts
A function with typed inputs. Its response is checked against the schema.

Request body

datasetstring required

descriptionstring

expressionstring required

namestring required

Name of the virtual field. Use letters, digits, underscores, and hyphens, starting and ending with a letter or digit.

typestring

unitstring

Response

Created virtual field.