{ "info": { "_postman_id": "a834c1ca-7081-4d9b-af6b-e1d5ef747d13", "name": "SLNG Voice Agents Account Catalog API", "description": "Public API for managing Voice Agents, dispatching outbound calls, and creating web (non-telephony) sessions.\n\nBase URL: `https://api.agents.slng.ai`\n\n\nContact Support:\n Name: SLNG Support\n Email: support@slng.ai", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "createdAt": "2026-07-28T02:55:27.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "lastUpdatedBy": "35240", "uid": "35240-a834c1ca-7081-4d9b-af6b-e1d5ef747d13" }, "item": [ { "name": "v1", "item": [ { "name": "catalog", "item": [ { "name": "models", "item": [ { "name": "{model_code}", "item": [ { "name": "Get a catalog model", "id": "da6f07e2-5abe-4d91-858b-8198e807d49b", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "auth": { "type": "noauth" }, "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/v1/catalog/models/:model_code?protocol=https", "host": [ "{{baseUrl}}" ], "path": [ "v1", "catalog", "models", ":model_code" ], "query": [ { "description": "Filter models by supported protocol.", "key": "protocol", "value": "https" } ], "variable": [ { "id": "963e9de3-dcd7-4dc2-99a9-70f1ad0ac88c", "key": "model_code", "value": "", "description": "(Required) The model code to retrieve. May contain slashes and colons (for example `slng/rime/arcana:3-en`).\n" } ] }, "description": "Retrieve a single model from the SLNG catalog by its code. The code may contain slashes and colons (for example `slng/rime/arcana:3-en`). Authentication is optional \u2014 an API key personalizes pricing and region availability for your organisation.\n" }, "response": [ { "id": "cdfd248e-a53f-4c4c-8211-3f2e60992d79", "name": "A single catalog model.", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/v1/catalog/models/:model_code?protocol=https", "host": [ "{{baseUrl}}" ], "path": [ "v1", "catalog", "models", ":model_code" ], "query": [ { "description": "Filter models by supported protocol.", "key": "protocol", "value": "https" } ], "variable": [ { "key": "model_code" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"code\": \"\",\n \"name\": \"\",\n \"service_type\": \"stt\",\n \"provider_code\": \"\",\n \"provider\": {\n \"name\": \"\",\n \"code\": \"\",\n \"website\": \"\",\n \"logo_url\": \"\",\n \"created_at\": \"\",\n \"updated_at\": \"\"\n },\n \"hosted_by\": \"\",\n \"short_description\": \"\",\n \"long_description\": \"\",\n \"best_for\": \"\",\n \"use_cases\": [\n \"\",\n \"\"\n ],\n \"capabilities\": [\n \"\",\n \"\"\n ],\n \"languages\": [\n \"\",\n \"\"\n ],\n \"streaming\": \"\",\n \"batch\": \"\",\n \"accuracy\": \"\",\n \"voice_count\": \"\",\n \"api_path\": \"\",\n \"code_example\": \"\",\n \"code_examples\": {\n \"curl\": \"\",\n \"python\": \"\",\n \"typescript\": \"\"\n },\n \"docs_url\": \"\",\n \"tags\": [\n \"\",\n \"\"\n ],\n \"available_regions\": [\n \"\",\n \"\"\n ],\n \"region_details\": [\n {\n \"code\": \"\",\n \"country\": \"\",\n \"world_part_code\": \"\",\n \"latency_ms\": \"\",\n \"price\": \"\",\n \"discounted_price\": \"\"\n },\n {\n \"code\": \"\",\n \"country\": \"\",\n \"world_part_code\": \"\",\n \"latency_ms\": \"\",\n \"price\": \"\",\n \"discounted_price\": \"\"\n }\n ],\n \"supported_protocols\": [\n \"wss\",\n \"wss\"\n ],\n \"voices\": [\n {\n \"voice_id\": \"\",\n \"name\": \"\",\n \"gender\": \"\",\n \"tone\": \"\",\n \"use_case\": \"\",\n \"age_range\": \"\",\n \"language\": \"\",\n \"preview_url\": \"\",\n \"properties\": {\n \"Excepteure70\": false,\n \"incididunt68b\": \"ut tempor\",\n \"nostrudbd3\": -85449897.54710048\n },\n \"sort_order\": \"\",\n \"enabled\": \"\",\n \"id\": \"\",\n \"model_code\": \"\",\n \"created_at\": \"\",\n \"updated_at\": \"\"\n },\n {\n \"voice_id\": \"\",\n \"name\": \"\",\n \"gender\": \"\",\n \"tone\": \"\",\n \"use_case\": \"\",\n \"age_range\": \"\",\n \"language\": \"\",\n \"preview_url\": \"\",\n \"properties\": {\n \"incididunt_9f2\": 29955647,\n \"pariatur_a\": \"inc\"\n },\n \"sort_order\": \"\",\n \"enabled\": \"\",\n \"id\": \"\",\n \"model_code\": \"\",\n \"created_at\": \"\",\n \"updated_at\": \"\"\n }\n ],\n \"similar_models\": [\n {\n \"code\": \"\",\n \"name\": \"\",\n \"provider_name\": \"\",\n \"service_type\": \"\",\n \"description\": \"\"\n },\n {\n \"code\": \"\",\n \"name\": \"\",\n \"provider_name\": \"\",\n \"service_type\": \"\",\n \"description\": \"\"\n }\n ],\n \"pricing\": {\n \"min_price\": \"\",\n \"unit\": \"\"\n }\n}", "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-cdfd248e-a53f-4c4c-8211-3f2e60992d79" }, { "id": "a1a054bd-1bbf-49bd-9cfd-09e7acac0883", "name": "The request was invalid. Returned for unsupported query parameters, out-of-range values, or a malformed model code.\n", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/v1/catalog/models/:model_code?protocol=https", "host": [ "{{baseUrl}}" ], "path": [ "v1", "catalog", "models", ":model_code" ], "query": [ { "description": "Filter models by supported protocol.", "key": "protocol", "value": "https" } ], "variable": [ { "key": "model_code" } ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": \"\"\n}", "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-a1a054bd-1bbf-49bd-9cfd-09e7acac0883" }, { "id": "5f52bb75-c25b-41c2-8b72-c150a35e5548", "name": "No model matches the requested code.", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/v1/catalog/models/:model_code?protocol=https", "host": [ "{{baseUrl}}" ], "path": [ "v1", "catalog", "models", ":model_code" ], "query": [ { "description": "Filter models by supported protocol.", "key": "protocol", "value": "https" } ], "variable": [ { "key": "model_code" } ] } }, "status": "Not Found", "code": 404, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": \"\"\n}", "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-5f52bb75-c25b-41c2-8b72-c150a35e5548" } ], "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-da6f07e2-5abe-4d91-858b-8198e807d49b" } ], "id": "a0427495-88ca-418b-9d98-8d154f8524bd", "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-a0427495-88ca-418b-9d98-8d154f8524bd" }, { "name": "List catalog models", "id": "7499ecf8-bd7b-44a5-8e3d-e4cc2a3dcfca", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "auth": { "type": "noauth" }, "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/v1/catalog/models?service_type=stt&language=&provider=®ion=&use_case=&capability=&protocol=https&slng_hosted_only=&search=&page=1&page_size=20", "host": [ "{{baseUrl}}" ], "path": [ "v1", "catalog", "models" ], "query": [ { "description": "Filter models by service type.", "key": "service_type", "value": "stt" }, { "description": "Filter models by supported language code (for example `en`).", "key": "language", "value": "" }, { "description": "Filter models by provider code (for example `rime`).", "key": "provider", "value": "" }, { "description": "Filter models by region code (for example `eu-north-1`).", "key": "region", "value": "" }, { "description": "Filter models by use case tag.", "key": "use_case", "value": "" }, { "description": "Filter models by capability tag.", "key": "capability", "value": "" }, { "description": "Filter models by supported protocol.", "key": "protocol", "value": "https" }, { "description": "When true, return only SLNG-hosted models. Accepts `true`, `false`, `1`, or `0`.", "key": "slng_hosted_only", "value": "" }, { "description": "Full-text search across model names and descriptions.", "key": "search", "value": "" }, { "description": "The page number to return (1-based). Defaults to 1.", "key": "page", "value": "1" }, { "description": "The number of items per page. Defaults to 20.", "key": "page_size", "value": "20" } ] }, "description": "List the models available in the SLNG catalog. Supports filtering by service type, provider, region, language, use case, capability, and protocol, plus full-text search and pagination. Authentication is optional \u2014 an API key personalizes pricing and region availability for your organisation; anonymous requests return public catalog data.\n" }, "response": [ { "id": "50c5ae4d-d42a-4b46-8af6-43afea86d903", "name": "A paginated list of catalog models.", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/v1/catalog/models?service_type=stt&language=&provider=®ion=&use_case=&capability=&protocol=https&slng_hosted_only=&search=&page=1&page_size=20", "host": [ "{{baseUrl}}" ], "path": [ "v1", "catalog", "models" ], "query": [ { "description": "Filter models by service type.", "key": "service_type", "value": "stt" }, { "description": "Filter models by supported language code (for example `en`).", "key": "language", "value": "" }, { "description": "Filter models by provider code (for example `rime`).", "key": "provider", "value": "" }, { "description": "Filter models by region code (for example `eu-north-1`).", "key": "region", "value": "" }, { "description": "Filter models by use case tag.", "key": "use_case", "value": "" }, { "description": "Filter models by capability tag.", "key": "capability", "value": "" }, { "description": "Filter models by supported protocol.", "key": "protocol", "value": "https" }, { "description": "When true, return only SLNG-hosted models. Accepts `true`, `false`, `1`, or `0`.", "key": "slng_hosted_only", "value": "" }, { "description": "Full-text search across model names and descriptions.", "key": "search", "value": "" }, { "description": "The page number to return (1-based). Defaults to 1.", "key": "page", "value": "1" }, { "description": "The number of items per page. Defaults to 20.", "key": "page_size", "value": "20" } ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"items\": [\n {\n \"code\": \"\",\n \"name\": \"\",\n \"service_type\": \"stt\",\n \"provider_code\": \"\",\n \"provider\": {\n \"name\": \"\",\n \"code\": \"\",\n \"website\": \"\",\n \"logo_url\": \"\",\n \"created_at\": \"\",\n \"updated_at\": \"\"\n },\n \"hosted_by\": \"\",\n \"short_description\": \"\",\n \"long_description\": \"\",\n \"best_for\": \"\",\n \"use_cases\": [\n \"\",\n \"\"\n ],\n \"capabilities\": [\n \"\",\n \"\"\n ],\n \"languages\": [\n \"\",\n \"\"\n ],\n \"streaming\": \"\",\n \"batch\": \"\",\n \"accuracy\": \"\",\n \"voice_count\": \"\",\n \"api_path\": \"\",\n \"code_example\": \"\",\n \"code_examples\": {\n \"curl\": \"\",\n \"python\": \"\",\n \"typescript\": \"\"\n },\n \"docs_url\": \"\",\n \"tags\": [\n \"\",\n \"\"\n ],\n \"available_regions\": [\n \"\",\n \"\"\n ],\n \"region_details\": [\n {\n \"code\": \"\",\n \"country\": \"\",\n \"world_part_code\": \"\",\n \"latency_ms\": \"\",\n \"price\": \"\",\n \"discounted_price\": \"\"\n },\n {\n \"code\": \"\",\n \"country\": \"\",\n \"world_part_code\": \"\",\n \"latency_ms\": \"\",\n \"price\": \"\",\n \"discounted_price\": \"\"\n }\n ],\n \"supported_protocols\": [\n \"https\",\n \"wss\"\n ],\n \"voices\": [\n {\n \"voice_id\": \"\",\n \"name\": \"\",\n \"gender\": \"\",\n \"tone\": \"\",\n \"use_case\": \"\",\n \"age_range\": \"\",\n \"language\": \"\",\n \"preview_url\": \"\",\n \"properties\": {\n \"ipsum_6c6\": false,\n \"fugiat_2\": -85390672.41360225,\n \"esse138\": 61641448.664735556\n },\n \"sort_order\": \"\",\n \"enabled\": \"\",\n \"id\": \"\",\n \"model_code\": \"\",\n \"created_at\": \"\",\n \"updated_at\": \"\"\n },\n {\n \"voice_id\": \"\",\n \"name\": \"\",\n \"gender\": \"\",\n \"tone\": \"\",\n \"use_case\": \"\",\n \"age_range\": \"\",\n \"language\": \"\",\n \"preview_url\": \"\",\n \"properties\": {\n \"aliquip_ecb\": -6250506,\n \"irureb\": 529041.087118417\n },\n \"sort_order\": \"\",\n \"enabled\": \"\",\n \"id\": \"\",\n \"model_code\": \"\",\n \"created_at\": \"\",\n \"updated_at\": \"\"\n }\n ],\n \"similar_models\": [\n {\n \"code\": \"\",\n \"name\": \"\",\n \"provider_name\": \"\",\n \"service_type\": \"\",\n \"description\": \"\"\n },\n {\n \"code\": \"\",\n \"name\": \"\",\n \"provider_name\": \"\",\n \"service_type\": \"\",\n \"description\": \"\"\n }\n ],\n \"pricing\": {\n \"min_price\": \"\",\n \"unit\": \"\"\n }\n },\n {\n \"code\": \"\",\n \"name\": \"\",\n \"service_type\": \"tts\",\n \"provider_code\": \"\",\n \"provider\": {\n \"name\": \"\",\n \"code\": \"\",\n \"website\": \"\",\n \"logo_url\": \"\",\n \"created_at\": \"\",\n \"updated_at\": \"\"\n },\n \"hosted_by\": \"\",\n \"short_description\": \"\",\n \"long_description\": \"\",\n \"best_for\": \"\",\n \"use_cases\": [\n \"\",\n \"\"\n ],\n \"capabilities\": [\n \"\",\n \"\"\n ],\n \"languages\": [\n \"\",\n \"\"\n ],\n \"streaming\": \"\",\n \"batch\": \"\",\n \"accuracy\": \"\",\n \"voice_count\": \"\",\n \"api_path\": \"\",\n \"code_example\": \"\",\n \"code_examples\": {\n \"curl\": \"\",\n \"python\": \"\",\n \"typescript\": \"\"\n },\n \"docs_url\": \"\",\n \"tags\": [\n \"\",\n \"\"\n ],\n \"available_regions\": [\n \"\",\n \"\"\n ],\n \"region_details\": [\n {\n \"code\": \"\",\n \"country\": \"\",\n \"world_part_code\": \"\",\n \"latency_ms\": \"\",\n \"price\": \"\",\n \"discounted_price\": \"\"\n },\n {\n \"code\": \"\",\n \"country\": \"\",\n \"world_part_code\": \"\",\n \"latency_ms\": \"\",\n \"price\": \"\",\n \"discounted_price\": \"\"\n }\n ],\n \"supported_protocols\": [\n \"wss\",\n \"wss\"\n ],\n \"voices\": [\n {\n \"voice_id\": \"\",\n \"name\": \"\",\n \"gender\": \"\",\n \"tone\": \"\",\n \"use_case\": \"\",\n \"age_range\": \"\",\n \"language\": \"\",\n \"preview_url\": \"\",\n \"properties\": {\n \"esse__b_\": true,\n \"voluptate_a2\": false\n },\n \"sort_order\": \"\",\n \"enabled\": \"\",\n \"id\": \"\",\n \"model_code\": \"\",\n \"created_at\": \"\",\n \"updated_at\": \"\"\n },\n {\n \"voice_id\": \"\",\n \"name\": \"\",\n \"gender\": \"\",\n \"tone\": \"\",\n \"use_case\": \"\",\n \"age_range\": \"\",\n \"language\": \"\",\n \"preview_url\": \"\",\n \"properties\": {\n \"aliqua_0_\": \"ad aliquip ut voluptate\",\n \"amet0\": \"com\"\n },\n \"sort_order\": \"\",\n \"enabled\": \"\",\n \"id\": \"\",\n \"model_code\": \"\",\n \"created_at\": \"\",\n \"updated_at\": \"\"\n }\n ],\n \"similar_models\": [\n {\n \"code\": \"\",\n \"name\": \"\",\n \"provider_name\": \"\",\n \"service_type\": \"\",\n \"description\": \"\"\n },\n {\n \"code\": \"\",\n \"name\": \"\",\n \"provider_name\": \"\",\n \"service_type\": \"\",\n \"description\": \"\"\n }\n ],\n \"pricing\": {\n \"min_price\": \"\",\n \"unit\": \"\"\n }\n }\n ],\n \"meta\": {\n \"page\": \"\",\n \"page_size\": \"\",\n \"total\": \"\",\n \"pages\": \"\"\n }\n}", "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-50c5ae4d-d42a-4b46-8af6-43afea86d903" }, { "id": "719b1924-da15-4120-a117-bd2ea84af68d", "name": "The request was invalid. Returned for unsupported query parameters, out-of-range values, or a malformed model code.\n", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/v1/catalog/models?service_type=stt&language=&provider=®ion=&use_case=&capability=&protocol=https&slng_hosted_only=&search=&page=1&page_size=20", "host": [ "{{baseUrl}}" ], "path": [ "v1", "catalog", "models" ], "query": [ { "description": "Filter models by service type.", "key": "service_type", "value": "stt" }, { "description": "Filter models by supported language code (for example `en`).", "key": "language", "value": "" }, { "description": "Filter models by provider code (for example `rime`).", "key": "provider", "value": "" }, { "description": "Filter models by region code (for example `eu-north-1`).", "key": "region", "value": "" }, { "description": "Filter models by use case tag.", "key": "use_case", "value": "" }, { "description": "Filter models by capability tag.", "key": "capability", "value": "" }, { "description": "Filter models by supported protocol.", "key": "protocol", "value": "https" }, { "description": "When true, return only SLNG-hosted models. Accepts `true`, `false`, `1`, or `0`.", "key": "slng_hosted_only", "value": "" }, { "description": "Full-text search across model names and descriptions.", "key": "search", "value": "" }, { "description": "The page number to return (1-based). Defaults to 1.", "key": "page", "value": "1" }, { "description": "The number of items per page. Defaults to 20.", "key": "page_size", "value": "20" } ] } }, "status": "Bad Request", "code": 400, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": \"\"\n}", "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-719b1924-da15-4120-a117-bd2ea84af68d" } ], "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-7499ecf8-bd7b-44a5-8e3d-e4cc2a3dcfca" } ], "id": "fd9ecdfd-2bcd-4f5d-9176-dd006085cffc", "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-fd9ecdfd-2bcd-4f5d-9176-dd006085cffc" } ], "id": "1b41def4-ad5b-4e56-84b6-7d0abe3d7928", "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-1b41def4-ad5b-4e56-84b6-7d0abe3d7928" } ], "id": "64fb3f97-4af8-40e9-a78b-13af2e9e571e", "createdAt": "2026-07-28T02:55:28.000Z", "updatedAt": "2026-07-28T02:55:28.000Z", "uid": "35240-64fb3f97-4af8-40e9-a78b-13af2e9e571e" } ], "auth": { "type": "bearer", "bearer": [ { "key": "token", "value": "{{bearerToken}}", "type": "string" } ] }, "variable": [ { "key": "baseUrl", "value": "https://api.agents.slng.ai" } ] }