POST /v1/features/search

Account1

Adhoc Retrievers3

Agent Sessions11

Alerts16

Analytics41

Annotations9

Apps34

Batches4

Bucket Batches22

Bucket Objects10

Bucket Syncs15

Bucket Uploads7

Buckets7

BYO Documents5

Cluster Executions7

Cluster Triggers8

Clusters9

Collection Documents19

Collection Lifecycle2

Collection Schema1

Collection Taxonomies1

Collections14

Custom Models8

Data Subject Access Requests3

Discovery4

Document Lineage3

Documents6

Events1

Extractor Publishing5

Extractors5

Feature Extractors2

Feature Search1

post/v1/features/searchFeature Search

Features1

Health4

Inference1

Manifest7

Marketplace14

Models6

Namespace Clone1

Namespace Extractors2

Namespace Migrations7

Namespace Snapshots6

Namespaces10

Notifications12

Onboarding2

Organization API Keys5

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Organization Billing22

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Organization Infrastructure1

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Organization Targets1

Organization Usage3

Organization Users5

Organizations3

Pricing1

Public Apps API5

Public Extractor Marketplace2

Public Notifications API1

Public Retriever API7

Public Templates API8

Published Retrievers8

Quickstart1

Resource Search1

Retriever API Keys3

Retriever Benchmarks4

Retriever Evaluations9

Retriever Interactions5

Retriever Stages1

Retrievers15

Scaffold Templates3

Signup1

Source Adapter2

Support14

Tasks3

Taxonomies13

Taxonomy Analytics6

Templates23

Triggers10

Webhooks5

Feature Search

Changed on Oct 9, 2026

Search documents by vector similarity across collections. A convenience wrapper that builds an ad-hoc retriever with a single feature_search stage.

post/v1/features/search

Request

Base URL: https://api.mixpeek.com
URL: https://api.mixpeek.com/v1/features/search
Auth: HTTP bearer and API key in header X-Namespace

Request body

collection_identifiersstring[]

Collection IDs or names to search. OPTIONAL: omit (or pass []) on standalone/BYOV namespaces to search the namespace's direct-upsert documents without naming a collection.

feature_uristring

Feature URI to search against.

top_kinteger

Number of results to return.

filtersobject nullable

Pre-filters to apply before search.

Response

Successful Response

unknown required

Changes

Oct 9, 202661a175e8eb9a Revision changes
- warning
  removed the optional property from the response with the status
- info
  added the non-success response with the status
- info
  added the non-success response with the status
- info
  added the optional property to the response with the status
- info
  added the required property to the response with the status
- info
  added the required property to the response with the status
Aug 9, 20265d4c905106b4 Revision changes
- info
  the endpoint scheme security BearerAuth AND NamespaceHeader was added to the API

Operation history