• ENG-9110: document operation lookup and refresh discovery indexes (#548)latest2112Docs9cba5162026-10-17 21:45

  Change detail

  15 changes across 12 operations

  AllBreakingWarningInfo

  • POST/v1/datasets/upload/url
    • breaking

      request property visibility/anyOf[subschema #1] was restricted to a list of enum values

    • warning

      the dataset_name request property's maxLength was set to 128

    • info

      added the new private enum value to the request property visibility/anyOf[subschema #1]

    • info

      added the new public enum value to the request property visibility/anyOf[subschema #1]

  • GET/v1/training/usage
    • breaking

      for the query request parameter project_id, the format of property anyOf[subschema #1]/ was specialized from no format to uuid

  • POST/v1/training/jobs/{job_id}/forward-backward
    • info

      added the new optional header request parameter Idempotency-Key

  • POST/v1/training/jobs/{job_id}/forward
    • info

      added the new optional header request parameter Idempotency-Key

  View all changes (15)
• docs: align training job contract with Pioneer (#534)168Docs9088d092026-10-15 21:31

  Change detail

  24 changes across 4 operations

  AllBreakingWarningInfo

  • GET/v1/training/jobs/{job_id}
    • breaking

      response property anyOf[subschema #1: TrainingJobResponse]/batch_size list-of-types was widened by adding types null to media type application/json of response 200

    • breaking

      response property anyOf[subschema #1: TrainingJobResponse]/learning_rate list-of-types was widened by adding types null to media type application/json of response 200

    • breaking

      response property anyOf[subschema #1: TrainingJobResponse]/nr_epochs list-of-types was widened by adding types null to media type application/json of response 200

    • breaking

      response property anyOf[subschema #1: TrainingJobResponse]/validation_data_percentage list-of-types was widened by adding types null to media type application/json of response 200

    • info

      added the optional property anyOf[subschema #1: TrainingJobResponse]/source to the response with the 200 status

    • info

      added the required property anyOf[subschema #2: InteractiveJobView]/created_at to the response with the 200 status

    • info

      added the required property anyOf[subschema #2: InteractiveJobView]/id to the response with the 200 status

  View all changes (24)
• Fix training guide examples and GLiNER contracts (#510)221Docsfb8a73c2026-10-15 14:48

  Change detail

  23 changes across 9 operations and 2 models

  AllBreakingWarningInfo

  • POST/v1/training/jobs/create-model
    • breaking

      removed JsonObject-Input from the user_metadata request property anyOf list

    • info

      added subschema #1 to the user_metadata request property anyOf list

  • PUT/v1/training/jobs/{job_id}/checkpoints/{kind}/{name}/ttl
    • breaking

      the request property ttl_seconds became required

  • GET/v1/training/jobs/{job_id}
    • info

      added the optional property anyOf[subschema #2: InteractiveJobView]/error_message to the response with the 200 status

    • info

      added the optional property anyOf[subschema #2: InteractiveJobView]/stop_reason to the response with the 200 status

    • info

      added the required property anyOf[subschema #2: InteractiveJobView]/is_terminal_status to the response with the 200 status

    • info

      added the required property anyOf[subschema #2: InteractiveJobView]/job_id to the response with the 200 status

  View all changes (23)
• Audit Training API docs against development (#499)441Docs74a49212026-10-15 09:34

  Change detail

  9 changes across 2 operations

  AllBreakingWarningInfo

  • POST/v1/training/jobs
    • breaking

      the training_algorithm request property const value sft was added

    • breaking

      removed the enum value dpo of the request property training_algorithm

    • breaking

      removed the enum value grpo of the request property training_algorithm

    • breaking

      removed the enum value sft of the request property training_algorithm

    • warning

      removed the request property mask_history

    • warning

      removed the request property packing

    • warning

      removed the request property rl_config

    • warning

      removed the request property system_prompt

  • GET/v1/gliner-2/jobs/{job_id}
    • info

      added the optional property notice to the response with the 200 status

• Document decoders as interactive-only training (Pioneer #10016) (#476)no API changesDocs8d35d052026-10-15 03:14
• docs(training): teach native training routes; Tinker only on migrate page (#464)1Docsdcc64752026-10-15 01:02

  Change detail

  1 change across 1 operation

  AllBreakingWarningInfo

  • POST/v1/training/jobs/{job_id}/checkpoints/sampler_weights/{name}/deploy
    • info

      endpoint added

• Document native interactive Training API routes (#461)17Docs2cc55522026-10-15 00:33
• ENG-8554: preview unified Training API documentation (#433)no API changesDocsc361f872026-10-14 07:02
• docs(training): document training jobs at /v1/training/jobs (Pioneer#9732) (#435)321924Docsc24abc82026-10-13 05:53
• docs: add the interactive training jobs reference under /v1/training (unblocks Pioneer#9433) (#434)1341Docs145aded2026-10-12 20:26
• Reorganize Decision Models documentation (#417)1Docsa0041802026-10-09 05:40
• docs: remove em dashes and compatibility noteno API changesDocs095eaee2026-10-01 05:05
• docs: clarify the GLiDE inference journey1224Docsa6230c02026-10-01 04:38
• fix(openapi): publish base model catalog1Docs093c1e82026-09-29 02:08
• chore(openapi): consume Pioneer public contract23Docsa2e661e2026-09-28 23:44
• docs: refresh Pioneer public API contract1241Docsc0343fd2026-09-28 21:28
• docs: publish tested dataset lifecycle operations3Docsae86eab2026-09-24 21:34
• docs: add dataset upload and polling contract2Docsb2940192026-09-24 21:24
• docs: clarify GLiNER inference interfaces2Docs2860c7b2026-09-24 01:14
• docs: complete public training and inference contract19Docs1106df12026-09-24 00:36
• docs: refresh final Fastino API contract1418Docs6df21c12026-09-23 22:53
• docs: migrate public API docs to Fastino3018138Docsa3e397d2026-09-23 19:10
• docs: rename Pioneer branding to Fastino1Docs36bc0ca2026-09-22 22:27
• feat: add machine-readable inference OpenAPI spec at docs.pioneer.ai/openapi.jsonDocs37feb942026-06-26 17:51

Revisions go back to the API's first capture.