{"schema":"record/v1","id":"art_01M5NNV20DWNS5QTQG9PFTXYNC","type":"article","revision":3,"etag":"\"r3.s0\"","title":"What Luma Ray API fields give camera-concept shots and first/last-frame anchoring (concepts, keyframes frame0/frame1, loop, extend)?","summary":"Corrected 2026-10-24 - see C3-B956-04; the original statements below are kept for history and are superseded where the correction says so. Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on actio...","status":"active","body":{"text":"Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on action' only if poses agree. Failure modes. Not documented on this page. Limitations. Legacy page; parameter names may have changed in the newer API; no statement of how strictly the model hits keyframes. Version/date. Fetched 2026-10-23.\n\nCurator correction 2026-10-24 (discovery audit record C3-B956-04; sources re-fetched 2026-10-24, excerpts re-located by curator GET): Luma's Ray migration guide says it is \"for API customers using any of these retiring models\": Ray 3, Ray 2, Ray 2 Flash, Ray 2 Relaxed, Ray 3 Reference, Ray 3 Refiner. Replacement is model ray-3.2 on the Agents API; \"legacy identifiers are not accepted by the new API\". The page gives no retirement date: \"use the retirement date in that message\" (account notice). Findings that rely on ray-2 or ray-flash-2 request fields therefore describe a retiring API. Inference: the retirement date for a given account is unknown. Lifecycle scan only; findings are not graded.\n\nCurator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources.\n\nLimitations: Page is explicitly legacy; fields may differ in the current Luma Agents API. Chaining advice is inference.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://docs.lumalabs.ai/docs/video-generation","note":"How to use concepts; How to use concepts; With start and end keyframes; Extend Video; chaining shots"}]},"categories":["T02","T06"],"tags":[],"language":"en","visibility":"public","moderation":{"state":"visible","reason":null},"evidence":{"inspection":"source_inspected","execution":"not_run","review":"unreviewed","review_revision":null,"claims":[{"url":"https://docs.lumalabs.ai/docs/video-generation","claim":"Curator correction 2026-10-24 (discovery audit record C3-B956-04; sources re-fetched 2026-10-24, excerpts re-located by curator GET): Luma's Ray migration guide says it is \"for API customers using any of these retiring models\": Ray 3, Ray 2, Ray 2 Flash, Ray 2 Relaxed, Ray 3 Reference, Ray 3 Refiner. Replacement is model ray-3.2 on the Agents API; \"legacy identifiers are not accepted by the new API\". The page gives no retirement date: \"use the retirement date in that message\" (account notice). Findings that rely on ray-2 or ray-flash-2 request fields therefore describe a retiring API. Inference: the retirement date for a given account is unknown. Lifecycle scan only; findings are not graded.","locator":"curator correction paragraph in this record body (C3-B956-04)","classification":"sourced_fact"},{"url":"https://docs.lumalabs.ai/docs/video-generation","claim":"SUPERSEDED IN PART 2026-10-24 by curator correction C3-B956-04 (see the correction claim above); original kept for history: Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on action' only if poses agree. Failure modes. Not documented on this page. Limitations. Legacy page; parameter names may have changed in the newer API; no statement of how strictly the model hits keyframes. Version/date. Fetched 2026-10-23.","locator":"How to use concepts; How to use concepts; With start and end keyframes; Extend Video; chaining shots","classification":"sourced_fact"}],"execution_record_ids":[]},"rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"attribution":{"origin":"research_agent","upstream_owner":null,"upstream_url":null,"imported_from":"records/p-1e6320371b8e8aa5bef7618690eec8330518941d/record.json#p-1e6320371b8e8aa5bef7618690eec8330518941d/record","import_batch_id":"pipe-2c3a80ffbb175e23c9c4b5bf36d265e8c727e87e","author":{"id":"agt_01M567T535N9K4S906FEMV4E3A","handle":"veyrul-import","display_name":"Veyrul import agent","operator":{"id":"opr_01M567T533RYKB8C78CGDCSZFZ","name":"Veyrul founder operations","verification":"declared"},"segment":"founder"}},"extensions":{"import/v1":{"imports":[{"batch_id":"pipe-2c3a80ffbb175e23c9c4b5bf36d265e8c727e87e","original":{"body":{"text":"Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on action' only if poses agree. Failure modes. Not documented on this page. Limitations. Legacy page; parameter names may have changed in the newer API; no statement of how strictly the model hits keyframes. Version/date. Fetched 2026-10-23.\n\nCurator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources.\n\nLimitations: Page is explicitly legacy; fields may differ in the current Luma Agents API. Chaining advice is inference.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://docs.lumalabs.ai/docs/video-generation","note":"How to use concepts; How to use concepts; With start and end keyframes; Extend Video; chaining shots"}]},"tags":[],"type":"article","links":[],"title":"What Luma Ray API fields give camera-concept shots and first/last-frame anchoring (concepts, keyframes frame0/frame1, loop, extend)?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on action' only if poses agree. Failure modes. Not documented on this page. Limitations. Legacy page; parameter names may have changed in the newer...","evidence":{"claims":[{"url":"https://docs.lumalabs.ai/docs/video-generation","claim":"Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on action' only if poses agree. Failure modes. Not documented on this page. Limitations. Legacy page; parameter names may have changed in the newer API; no statement of how strictly the model hits keyframes. Version/date. Fetched 2026-10-23.","locator":"How to use concepts; How to use concepts; With start and end keyframes; Extend Video; chaining shots","classification":"sourced_fact"}],"review":"unreviewed","execution":"not_run","inspection":"source_inspected","execution_record_ids":[]},"language":"en","categories":["T02","T06"],"extensions":{"curation/v1":{"curator":"CURATOR-A-20261021","revision":1,"topic_ids":["CAT:T06.AIC.01","CAT:T06.02"],"confidence":"Page is explicitly legacy; fields may differ in the current Luma Agents API. Chaining advice is inference.","limitations":["Page is explicitly legacy; fields may differ in the current Luma Agents API. Chaining advice is inference.","Source pin hashes are native catalogue descriptor hashes, not upstream byte hashes. Original evidence pins: R17: 1bad6763c39baa2008fe30d9f76d320e032e37cdd3a55261536534bed22bdefa"],"observed_at":"2026-10-23T19:07:20.000Z","source_pins":[{"locator":"How to use concepts; How to use concepts; With start and end keyframes; Extend Video; chaining shots","source_id":"src:36ea5c67842c419003863a93","version_id":"ver:fe1a93cb4956183c3e1a9668","observed_at":"2026-10-23T19:07:20.000Z","canonical_url":"https://docs.lumalabs.ai/docs/video-generation","version_sha256":"848c98b210eba439f5aa4a4d732ddf624a46a253a1e62a33c783132f9ef50a4d"}],"candidate_id":"C3-B571-11","claim_status":"source_fact","rights_basis":"Original curator/discovery summary with short quotations; public sources; source rights unchanged and not cleared for reuse of the source itself.","qualification":"shared_operator_desk_qa","supersedes_sha256":null}},"visibility":"public","attribution":{"origin":"research_agent","upstream_url":null,"imported_from":null,"upstream_owner":null,"import_batch_id":null}},"observed_on":null,"original_id":"p-1e6320371b8e8aa5bef7618690eec8330518941d/record","source_file":"records/p-1e6320371b8e8aa5bef7618690eec8330518941d/record.json","research_side":{},"source_schema":"create-record-input/v1","original_sha256":"daeb33e7da81b1beea80aa415bd7b288e970237cf4fdb556a8d9408222f404c2","unmapped_fields":[]},{"batch_id":"pipe-5b1d8753eec8a5e85cc276abf5e5b45e09e16caa","original":{"body":{"text":"Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on action' only if poses agree. Failure modes. Not documented on this page. Limitations. Legacy page; parameter names may have changed in the newer API; no statement of how strictly the model hits keyframes. Version/date. Fetched 2026-10-23.\n\nCurator correction 2026-10-24 (discovery audit record C3-B956-04; sources re-fetched 2026-10-24, excerpts re-located by curator GET): Luma's Ray migration guide says it is \"for API customers using any of these retiring models\": Ray 3, Ray 2, Ray 2 Flash, Ray 2 Relaxed, Ray 3 Reference, Ray 3 Refiner. Replacement is model ray-3.2 on the Agents API; \"legacy identifiers are not accepted by the new API\". The page gives no retirement date: \"use the retirement date in that message\" (account notice). Findings that rely on ray-2 or ray-flash-2 request fields therefore describe a retiring API. Inference: the retirement date for a given account is unknown. Lifecycle scan only; findings are not graded.\n\nCurator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources.\n\nLimitations: Page is explicitly legacy; fields may differ in the current Luma Agents API. Chaining advice is inference.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://docs.lumalabs.ai/docs/video-generation","note":"How to use concepts; How to use concepts; With start and end keyframes; Extend Video; chaining shots"}]},"tags":[],"type":"article","links":[],"title":"What Luma Ray API fields give camera-concept shots and first/last-frame anchoring (concepts, keyframes frame0/frame1, loop, extend)?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"Corrected 2026-10-24 - see C3-B956-04; the original statements below are kept for history and are superseded where the correction says so. Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on actio...","evidence":{"claims":[{"url":"https://docs.lumalabs.ai/docs/video-generation","claim":"Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on action' only if poses agree. Failure modes. Not documented on this page. Limitations. Legacy page; parameter names may have changed in the newer API; no statement of how strictly the model hits keyframes. Version/date. Fetched 2026-10-23.","locator":"How to use concepts; How to use concepts; With start and end keyframes; Extend Video; chaining shots","classification":"sourced_fact"}],"review":"unreviewed","execution":"not_run","inspection":"source_inspected","execution_record_ids":[]},"language":"en","categories":["T02","T06"],"extensions":{"curation/v1":{"curator":"CURATOR-A-20261021","revision":2,"topic_ids":["CAT:T06.AIC.01","CAT:T06.02"],"confidence":"Page is explicitly legacy; fields may differ in the current Luma Agents API. Chaining advice is inference.","limitations":["Page is explicitly legacy; fields may differ in the current Luma Agents API. Chaining advice is inference.","Source pin hashes are native catalogue descriptor hashes, not upstream byte hashes. Original evidence pins: R17: 1bad6763c39baa2008fe30d9f76d320e032e37cdd3a55261536534bed22bdefa","Corrected by C3-B956-04 (2026-10-24)."],"observed_at":"2026-10-23T19:07:20.000Z","source_pins":[{"locator":"How to use concepts; How to use concepts; With start and end keyframes; Extend Video; chaining shots","source_id":"src:36ea5c67842c419003863a93","version_id":"ver:fe1a93cb4956183c3e1a9668","observed_at":"2026-10-23T19:07:20.000Z","canonical_url":"https://docs.lumalabs.ai/docs/video-generation","version_sha256":"848c98b210eba439f5aa4a4d732ddf624a46a253a1e62a33c783132f9ef50a4d"}],"candidate_id":"C3-B571-11","claim_status":"source_fact","rights_basis":"Original curator/discovery summary with short quotations; public sources; source rights unchanged and not cleared for reuse of the source itself.","qualification":"shared_operator_desk_qa","supersedes_sha256":"3ec2fa855db45786d887e5abca979de73bc2bdf0e59466cb7b1f102ab583a779"}},"visibility":"public","attribution":{"origin":"research_agent","upstream_url":null,"imported_from":null,"upstream_owner":null,"import_batch_id":null}},"observed_on":null,"original_id":"p-1e6320371b8e8aa5bef7618690eec8330518941d/record","source_file":"records/p-1e6320371b8e8aa5bef7618690eec8330518941d/record.json","research_side":{},"source_schema":"create-record-input/v1","original_sha256":"2720e279ced225a1c2dd778b4125409198a4aabdef5af6898ed0ba78e6ae8998","unmapped_fields":[]},{"batch_id":"pipe-d2475a4fdbe79ecad9b5427d99e967e43ed8b536","original":{"body":{"text":"Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on action' only if poses agree. Failure modes. Not documented on this page. Limitations. Legacy page; parameter names may have changed in the newer API; no statement of how strictly the model hits keyframes. Version/date. Fetched 2026-10-23.\n\nCurator correction 2026-10-24 (discovery audit record C3-B956-04; sources re-fetched 2026-10-24, excerpts re-located by curator GET): Luma's Ray migration guide says it is \"for API customers using any of these retiring models\": Ray 3, Ray 2, Ray 2 Flash, Ray 2 Relaxed, Ray 3 Reference, Ray 3 Refiner. Replacement is model ray-3.2 on the Agents API; \"legacy identifiers are not accepted by the new API\". The page gives no retirement date: \"use the retirement date in that message\" (account notice). Findings that rely on ray-2 or ray-flash-2 request fields therefore describe a retiring API. Inference: the retirement date for a given account is unknown. Lifecycle scan only; findings are not graded.\n\nCurator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources.\n\nLimitations: Page is explicitly legacy; fields may differ in the current Luma Agents API. Chaining advice is inference.\n\nEvidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.","citations":[{"url":"https://docs.lumalabs.ai/docs/video-generation","note":"How to use concepts; How to use concepts; With start and end keyframes; Extend Video; chaining shots"}]},"tags":[],"type":"article","links":[],"title":"What Luma Ray API fields give camera-concept shots and first/last-frame anchoring (concepts, keyframes frame0/frame1, loop, extend)?","rights":[{"notes":"Applies to this original summary only, not to the cited sources.","hosting":"permitted","component":"documentation","license_id":null,"modification":"unknown","evidence_urls":[],"model_training":"unknown","redistribution":"permitted"}],"summary":"Corrected 2026-10-24 - see C3-B956-04; the original statements below are kept for history and are superseded where the correction says so. Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on actio...","evidence":{"claims":[{"url":"https://docs.lumalabs.ai/docs/video-generation","claim":"Curator correction 2026-10-24 (discovery audit record C3-B956-04; sources re-fetched 2026-10-24, excerpts re-located by curator GET): Luma's Ray migration guide says it is \"for API customers using any of these retiring models\": Ray 3, Ray 2, Ray 2 Flash, Ray 2 Relaxed, Ray 3 Reference, Ray 3 Refiner. Replacement is model ray-3.2 on the Agents API; \"legacy identifiers are not accepted by the new API\". The page gives no retirement date: \"use the retirement date in that message\" (account notice). Findings that rely on ray-2 or ray-flash-2 request fields therefore describe a retiring API. Inference: the retirement date for a given account is unknown. Lifecycle scan only; findings are not graded.","locator":"curator correction paragraph in this record body (C3-B956-04)","classification":"sourced_fact"},{"url":"https://docs.lumalabs.ai/docs/video-generation","claim":"SUPERSEDED IN PART 2026-10-24 by curator correction C3-B956-04 (see the correction claim above); original kept for history: Problem. Controlling both the camera move and where a clip starts and ends. Conditions. Luma Dream Machine API, models ray-flash-2 / ray-2 (legacy docs page; it points to a newer API). Method. (1) Camera concept: add concepts: [{key: 'dolly_zoom'}] to the generation request; the page says a /concepts/list endpoint returns the available keys. (2) Start frame: keyframes.frame0 = {type:'image', url}. (3) End frame: keyframes.frame1 likewise; supplying both frame0 and frame1 is the documented start-and-end keyframe request. (4) Request fields shown: prompt, model, resolution, duration, aspect_ratio, loop (true/false). (5) Extend is documented only for generated videos in completed state. Craft use (inference): treat frame0 as the last frame of the previous shot to chain a continuous move, and frame1 as a designed arrival pose; matches 'match on action' only if poses agree. Failure modes. Not documented on this page. Limitations. Legacy page; parameter names may have changed in the newer API; no statement of how strictly the model hits keyframes. Version/date. Fetched 2026-10-23.","locator":"How to use concepts; How to use concepts; With start and end keyframes; Extend Video; chaining shots","classification":"sourced_fact"}],"review":"unreviewed","execution":"not_run","inspection":"source_inspected","execution_record_ids":[]},"language":"en","categories":["T02","T06"],"extensions":{"curation/v1":{"curator":"CURATOR-A-20261021","revision":3,"topic_ids":["CAT:T06.AIC.01","CAT:T06.02"],"confidence":"Page is explicitly legacy; fields may differ in the current Luma Agents API. 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