| Workspace | One workspace with two members, the people and companies standard objects with a subset of their system attributes, and one list, sales_pipeline, over companies with a stage, an owner and a deal value. deals ships switched off, as Attio ships it |
| Objects and attributes | List, create, retrieve, update and delete objects, with system objects refusing deletion and a custom one taking its attributes and records with it; attributes on either an object or a list; the statuses of a status attribute and the options of a select attribute |
| Records | Create, retrieve, delete, PATCH that prepends multiselect values and PUT that overwrites them, upsert on a matching attribute, and uniqueness on the attributes that declare it |
| Values | Text, number, checkbox, currency, date, timestamp, rating, status, select, record reference, actor reference, domain, email address, phone number and personal name, taken as a bare scalar, an object or a list of either, cleared by null, and reported with the actor who wrote them |
| Querying | Attio’s shorthand and verbose filters with $eq, $in, $not_empty, $contains, $starts_with, $ends_with, $lt, $lte, $gt, $gte, $and, $or and $not; sorts by attribute; limit and offset pagination |
| Lists and entries | List CRUD with Attio’s permission rules, adding a record to a list, updating an entry by either verb, deleting one, upsert by parent record, and entry queries |
| Notes and tasks | Notes in plaintext or the subset of markdown Attio accepts, returned both ways; tasks with linked records named by object and id or by email address or domain, assignees, deadlines, completion, and Attio’s own filters and sorts |
| Authentication | A 64-character key in Authorization: Bearer, GET /v2/self introspection, scope enforcement on writes, and account-wide rate limiting answered 429 with Retry-After |
