Updated: Sep.2025
\nThis is a Postman collection covering the Singular REST API v2 for App Instances. See https://developer.singular.live/rest-api for more details.
\nIf you plan to integrate Singular into your platform, implement automated workflows, [let us know](https://mailto:support@singular.live?subject=Singular Integration)!
\nWe provide an extended REST API colection and additional integration modules for Singular partners.
\nWant to learn more about the Singular Partner Program? Click here!
\nWant to join the Singular Partner Program? Click here!
\nTo get started download the collection via the collection JSON link or fork the collection by clicking the Run in Postman button present at the top of the documentation page.
\nAlso visit the Singular Developer Portal for further documentation of Singular APIs, including Quick start examples and How-to guides.
\nThe Singular API endpoints described in this collection use tokens for authentication.
Shared App Token:
Shared App Tokens are used as path variables in the query URL.
You can generate Shared App Tokens for App Instances in the Singular Dashboard. The article Generate and revoke access to your Control App on the Singular Support Portal contains a step-by-step description.
Private and Public Tokens:
Singular Data Streams use Private and Public Tokens for sending data and receiving data.
Every day the Singular API receives millions of requests. To help manage the volume of requests, limits are placed on the number of requests that can be made. The Singular API also employs several safeguards against bursts of incoming traffic. Users who send many requests in quick succession or a high volume of data that exceed their account limits may see error responses that show up as status code 429.
These limits help us provide the reliable and scalable API that our customers need.
We have the following limiters in the API, including:
\nDaily limiters limit the number of requests and the amount of data received by the API per day.
\nBurst rate limiters limit the number of requests and the amount of data received by the API per minute.
\nThe daily and burst rate limiters depend on your subscription type.
\nTreat these limits as maximums and don’t generate unnecessary load. See Handling Rate Violations for advice on handling 429s. If you suddenly see a rising number of rate-limited requests, please contact Singular Support.
We may reduce limits to prevent abuse or increase limits to enable high-traffic applications.
To request an increased rate limit, please contact Singular Support.
\nFor integrating data feeds with high-volume, high-frequency, and low-latency updates, we recommend using Singular Data Streams.
\nPOST / PATCH: https://app.singular.live/apiv2/controlapps/{{token}}/control
POST / PATCH: https://app.singular.live/apiv2/controlapps/{{token}}/command
Requests to endpoints using rate limits return custom headers response codes. The response code is a JSON string with detailed information about daily limits and burst limits.
\nRatelimit values:
\nRate limits can occur under a variety of conditions, but it’s most common in these scenarios:
\nRunning a large volume of closely-spaced requests can lead to the burst rate limiting. This often happens when developing or testing a data feed integration. When engaging in these activities, you should try to control the client side's request rate and data volume (see Handling Rate Limit Violations).
\nSending huge amounts of data to the API can lead to the burst rate limiting. This happens when sending growing statistics data over a period of time. In such a case, you should control the data volume on the client-side and only send the required dynamic data to the API.
\nRate limit violations are logged to the Account Usage Statistics.
\n\n\nRate limit violations for Professional and Enterprise Subscriptions are logged, but API requests exceeding the limits will still be processed.
\n
\n\nRate limit violations for Free Subscriptions will be logged, and API requests exceeding the limits will be rejected and return an error status code 429
\nToo Many Requests
A basic technique for integrations to handle rate limiting is to watch for 429 status codes and build in a retry mechanism. The retry mechanism should follow an exponential backoff schedule to reduce request volume or increase the time between requests when necessary. Ideally, the client-side is self-aware of existing rate limits and can pause requests until the currently exceeded window expires.
We’d also recommend looking into the following techniques for handling limiting gracefully:
\nAdd randomness into the requests to avoid a thundering herd problem.
\nImplement a token bucket algorithm for controlling rate limits at a global scale.
\nFor help regarding accessing the Singular REST API, feel free to submit at support ticket or send us an email.
\nFor information on API terms of use and privacy, refer to our policy document at http://www.singular.live/terms-of-service and http://www.singular.live/privacy-policy.
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\n","type":"text/plain"},"type":"any","value":"Send new content to the control app instance.
\n","auth":{"type":"noauth","isInherited":true,"source":{"_postman_id":"8f034233-ffc9-4ea9-ba98-e7247729d70e","id":"8f034233-ffc9-4ea9-ba98-e7247729d70e","name":"App Instance","type":"folder"}},"urlObject":{"protocol":"https","path":["apiv2","controlapps",":appToken","control"],"host":["app","singular","live"],"query":[],"variable":[{"description":{"content":"(Required) Shared App Token
\n","type":"text/plain"},"type":"any","value":"Send new animation state to the control app instance.
\n[\n {\n \"subCompositionId\": \"< string >\",\n \"state\": \"< toState >\"\n },\n {\n \"subCompositionId\": \"<...>\",\n \"state\": \"<...>\"\n }\n]\n\n(Required) Shared App Token
\n","type":"text/plain"},"type":"any","value":"Update control app data and animation state.
\nRequest Body Examples:
\nUsing subcomposition ID
\n[\n {\n \"subCompositionId\": \"<subcompositionId>\",\n \"payload\": {\n \"<controlnodeId>\": \"<controlnode content>\",\n \"<...>\": \"<...>\"\n }\n }, {\n ... \n }\n]\n\nUsing subcomposition name
\n[\n {\n \"subCompositionName\": \"<subCompositionName>\",\n \"payload\": {\n \"<controlnodeId>\": \"<controlnode content>\",\n \"<...>\": \"<...>\"\n }\n }, {\n ... \n }\n]\n\nSend command to animate all elements of the control app to the Out state.
(Required) Shared App Token
\n","type":"text/plain"},"type":"any","value":"Reload the current version of the composition into the app instance.
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\n","type":"text/plain"},"type":"any","value":"Send commands to a control app instance.
\n","event":[{"listen":"prerequest","script":{"id":"8a397c69-d92b-4b49-bef8-a1acacc46911","type":"text/javascript","exec":[""]}},{"listen":"test","script":{"id":"1547c16f-8942-46e6-a7df-449d83943ba9","type":"text/javascript","exec":[""]}}],"_postman_id":"c20720a8-7b57-413a-bb27-5d76acc2a3ed","auth":{"type":"noauth","isInherited":true,"source":{"_postman_id":"8f034233-ffc9-4ea9-ba98-e7247729d70e","id":"8f034233-ffc9-4ea9-ba98-e7247729d70e","name":"App Instance","type":"folder"}}}],"id":"8f034233-ffc9-4ea9-ba98-e7247729d70e","description":"This section includes endpoints to retrieve control app details, update content and the animation state using the app shared token.
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(Required) Shared App Token
\n","type":"text/plain"},"type":"any","value":"Shared App TokenThis request demonstrates taking out all subcompositions from all outputs.
\n","_postman_id":"e9eb121e-dd60-42df-ada2-c2d01d340475","auth":{"type":"noauth","isInherited":true,"source":{"_postman_id":"8da21798-ba93-4b0c-8d23-01fa22ceaa60","id":"8da21798-ba93-4b0c-8d23-01fa22ceaa60","name":"Singular API Demos","type":"folder"}}}],"id":"8da21798-ba93-4b0c-8d23-01fa22ceaa60","description":"This section contains use-case based Singular API demos.
\nThe API demos use the \"UNO Lowers | Momentum\" template.
\nFollow the steps below to run the API demo use-cases:
\n(Required) Datastream Private Token
\n","type":"text/plain"},"type":"any","value":"Data Streams provide a reliable distribution infrastructure for high-speed data at a stable and low latency (below 300ms).
\nData Streams address use cases as hockey and basketball clocks, penalty clocks, shot clocks, displaying telemetry data of race cars, geolocations of planes, and much more.
\nWe recommend using Singular Data Streams for all use cases that require updating data at 1 Hz or faster.
\nCreate, rename, delete Data Streams with the Data Stream Manager and follow the steps in the tutorial video.
\nThe maximum size of one data package is limited to 60KB.
\nThe maximum number of simultaneous connections for one Data Stream is limited to 100.
\nData Streams have no daily or burst rate limiters.
\nThe Data Streams backend is hosted at http://datastream.singular.live/
\nPayloads sent to Data Streams stay persistent until new payloads arrive. Clients connecting to a Data Stream immediately receive the latest payload. The Data Streams backend includes a UTC timestamp to payloads. The client can use the timecode to calculate the latency and evaluate the age of the payload.
\nThe Singular Composition Script provides a utility function to read Data Stream payloads.
\nThe following code snippet creates a data stream object and uses the public token to connect to the Data Stream. The callback function returns the connection status and the latest payload.
\ncontext.utils.createDataStream(\n data_stream_public_token, \n (status, payload) => \n {\n console.log(\"we have received: \", status, payload);\n });\n\nShared App Token
\n","type":"text/plain"},"type":"any","value":"Shared App TokenShared App Token
\n","type":"text/plain"},"type":"any","value":"Shared App TokenShared App Token
\n","type":"text/plain"},"type":"any","value":"Shared App TokenShared App Token
\n","type":"text/plain"},"type":"any","value":"Shared App TokenShared App Token
\n","type":"text/plain"},"type":"any","value":"Shared App TokenShared App Token
\n","type":"text/plain"},"type":"any","value":"Shared App TokenApp access token
\n","type":"text/plain"},"type":"any","value":"{{app_access_token}}","key":"app_access_token"}]}},"response":[],"_postman_id":"9f8600a4-aab4-476e-a162-7e70b7fb4286"},{"name":"Text Area","id":"e7c37e17-c804-4a59-b57b-eb90846a6d92","protocolProfileBehavior":{"disableBodyPruning":true},"request":{"auth":{"type":"noauth","isInherited":false},"method":"PUT","header":[],"body":{"mode":"raw","raw":"[\r\n {\r\n \"compositionName\": \"your-composition-name\",\r\n \"controlNode\": {\r\n \"payload\": {\r\n \"your-text-area-control-node-id\": \"Line 1 from Postman...\\nLine 2 from Postman...\"\r\n }\r\n }\r\n }\r\n]","options":{"raw":{"language":"json"}}},"url":"https://app.singular.live/apiv1/control/:app_access_token","urlObject":{"protocol":"https","path":["apiv1","control",":app_access_token"],"host":["app","singular","live"],"query":[],"variable":[{"id":"1bd6778b-65e4-403f-a20f-dab5ff87591d","description":{"content":"App access token
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}\r\n}","options":{"raw":{"language":"json"}}},"url":"https://app.singular.live/apiv1/datanodes/:datanode_token/data","urlObject":{"protocol":"https","path":["apiv1","datanodes",":datanode_token","data"],"host":["app","singular","live"],"query":[],"variable":[{"id":"579d7c59-d611-484a-9e36-b8bdfa1f78b0","type":"any","value":"{{datanode_token_485}}","key":"datanode_token"}]}},"response":[],"_postman_id":"c57b4fa7-0820-4afb-923d-c3556339e4c3"},{"name":"Checkbox as Text","id":"a7faa7ba-b30a-44b2-8eb1-bca27f8b3ddb","protocolProfileBehavior":{"disableBodyPruning":true},"request":{"method":"PUT","header":[],"body":{"mode":"raw","raw":"{\r\n \"model\": {\r\n \"fields\": [\r\n {\r\n \"defaultValue\": true,\r\n \"id\": \"dnCheckbox\",\r\n \"title\": \"dnCheckbox\",\r\n \"type\": \"checkbox\"\r\n }\r\n ]\r\n },\r\n \"payload\": {\r\n \"dnCheckbox\": \"any-text-is-true, empty-string-is-false\"\r\n 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}\r\n}","options":{"raw":{"language":"json"}}},"url":"https://app.singular.live/apiv1/datanodes/:datanode_token/data","description":"Note:
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\nSending an empty string\"\"is interpreted asfalse
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\n
\nSending0is interpreted asfalse
\nSending any other number123is interpreted astrue
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\nStringify JSON data before sending to Singular.
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\nData Streams address use cases as hockey and basketball clocks, penalty clocks, shot clocks, displaying telemetry data of race cars, geolocations of planes, and much more.
\nWe recommend using Singular Data Streams for all use cases that require updating data at 1 Hz or faster.
\nCreate, rename, delete Data Streams with the Data Stream Manager and follow the steps in the tutorial video.
\nThe maximum size of one data package is limited to 60KB.
\nThe maximum number of simultaneous connections for one Data Stream is limited to 25.
\nData Streams have no daily or burst rate limiters.
The Data Streams backend is hosted at http://datastream.singular.live/
\nPayloads sent to Data Streams stay persistent until new payloads arrive. Clients connecting to a Data Stream immediately receive the latest payload. The Data Streams backend includes a UTC timestamp to payloads. The client can use the timecode to calculate the latency and evaluate the age of the payload.
\nThe Singular Composition Script provides a utility function to read Data Stream payloads.
\nThe following code snippet creates a data stream object and uses the public token to connect to the Data Stream. The callback function returns the connection status and the latest payload.
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\nAPI v1 will not be further developed and discontinued. Major bugs will still be fixed.
\nPlease contact us when you have questions or require assistance with the transition to API v2!
\n
This is the command collection for the Singular REST API v1.0.
\nThe easiest way to get started with the API is to click the Run in Postman button present at the top of the documentation page and use the Postman App to send requests.
\nAlso visit the Singular Developer Portal for further documentation of Singular APIs and SDKs, including examples and code snippets.
\nUse the Singular REST API to programmatically send and receive data and trigger animations from Singular overlays.
\nThis API provides access to a variety of resources, including the following:
\n\nIf you plan to integrate Singular into your platform, let us know! We provide additional REST endpoints for Singular integration partners.
\nThe Singular API supports various authentication options depending on the function you call.
\nBasic authentication:\nAll endpoints and queries can use “Basic Authentication” with username and password.
\nTokens:\nTokens are used as path variables in the query URL. Requests using Tokens require no authentication and support calls for sending data and trigger animations.\nUsers can generate Tokens for App Instances and Data Nodes in the Singular Dashboard. The article Generate and revoke access to your Control App on the Singular Support Portal contains a step-by-step description.
Private and Public Tokens:\nSingular Data Streams use Private and Public Tokens for sending data and receiving data.
\nThe most frequently used endpoints are listed below. You may check them out first!
\nUpdate “Show Data” in a Singular overlay
\n\nTrigger animations of a Singular overlay
\n\nUpdate “Global Data” in Singular data nodes
\n\nEvery day the Singular API receives millions of requests. To help manage the volume of requests, limits are placed on the number of requests that can be made. The Singular API also employs several safeguards against bursts of incoming traffic. Users who send many requests in quick succession or a high volume of data that exceed their account limits may see error responses that show up as status code 429.\nThese limits help us provide the reliable and scalable API that our customers need.
\nWe have several limiters in the API, including:
\nDaily limiters limit the number of requests and the amount of data received by the API per day.
\nBurst rate limiters limit the number of requests and the amount of data received by the API per minute.
\nThe daily and burst rate limiters depend on your subscription type.
\nRate limits for Enterprise subscriptions
\nRate limits for Professional and Non-Profit subscriptions
\nRate limits for Free subscriptions
\nTreat these limits as maximums and don’t generate unnecessary load. See Handling Rate Violations for advice on handling 429s. If you suddenly see a rising number of rate-limited requests, please contact support(at)singular.live.\nWe may reduce limits to prevent abuse or increase limits to enable high-traffic applications. To request an increased rate limit, please contact support(at)singular.live.
\nFor integrating data feeds with high-volume, high-frequency, and low-latency updates, we recommend using Singular Data Streams -> Add link to Singular Data Streams
\nRequests to endpoints using rate limits return custom headers response codes. The response code is a JSON string with detailed information about daily limits and burst limits.
\n{\"limit\": 500,\"remaining\": 499,\"reset\": 1614430792}
{\"limit\":1048576,\"remaining\":1048452,\"reset\":1614430792}
{\"limit\":100000,\"remaining\":99854,\"reset\":1614470401}
{\"limit\":524288000,\"remaining\":522565096,\"reset\":1614470401}
Rate limits can occur under a variety of conditions, but it’s most common in these scenarios:
\nRunning a large volume of closely-spaced requests can lead to the burst rate limiting. This often happens when developing or testing a data feed integration. When engaging in these activities, you should try to control the client side's request rate and data volume (see Handling Rate Limit Violations).
\nSending huge amounts of data to the API can lead to the burst rate limiting. This happens when sending growing statistics data over a period of time. In such a case, you should control the data volume on the client-side and only send the required dynamic data to the API.
\nRate limit violations are logged to the Account Usage Statistics.
\n\n\nRate limit violations for Professional and Enterprise Subscriptions are logged, but API requests exceeding the limits will still be processed.
\n
\n\nRate limit violations for Free Subscriptions will be logged, and API requests exceeding the limits will be rejected and return an error status code 429
\nToo Many Requests
A basic technique for integrations to handle rate limiting is to watch for 429 status codes and build in a retry mechanism. The retry mechanism should follow an exponential backoff schedule to reduce request volume or increase the time between requests when necessary. Ideally, the client-side is self-aware of existing rate limits and can pause requests until the currently exceeded window expires.
We’d also recommend looking into the following techniques for handling limiting gracefully:
\nFor help regarding accessing the Singular REST API, feel free to drop in a line at support(at)singular.live.
\nFor information on API terms of use and privacy, refer to our policy document at http://www.singular.live/terms-of-service and http://www.singular.live/privacy-policy.
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