openapi: 3.1.0 info: title: ZoomInfo Authentication Usage API description: The ZoomInfo API is a set of HTTPS endpoints you can use to programmatically retrieve and integrate ZoomInfo data into your existing technology stack and ... contact: name: ZoomInfo API Support url: https://www.zoominfo.com/about/help-center email: support@zoominfo.com version: '1.0' x-last-validated: '2026-04-18' servers: - url: https://api.zoominfo.com description: ZoomInfo API Production Server security: - bearerAuth: [] tags: - name: Usage description: 'You can use the Usage endpoint to find what your current API usage and limits are. ' paths: /lookup/usage: parameters: [] get: tags: - Usage summary: Zoominfo Usage description: Retrieve current usage status using this endpoint. operationId: Usage parameters: [] responses: '200': description: OK headers: Date: content: text/plain: schema: type: string contentMediaType: text/plain example: Thu, 05 Nov 2020 16:34:11 GMT Transfer-Encoding: content: text/plain: schema: type: string contentMediaType: text/plain example: chunked Connection: content: text/plain: schema: type: string contentMediaType: text/plain example: keep-alive CF-Ray: content: text/plain: schema: type: string contentMediaType: text/plain example: 5ed7fb150b15ebec-BOS Content-Encoding: content: text/plain: schema: type: string contentMediaType: text/plain example: gzip ETag: content: text/plain: schema: type: string contentMediaType: text/plain example: W/"348-2nkTF5a9CQ8hE+FA2QLqooXzL6I" Set-Cookie: content: text/plain: schema: type: string contentMediaType: text/plain example: _pxhd=e7db1952c3c428b300d7ae68283c6a1587e2640221c25672d39a1ecc58fe7f4d:3f7c2db0-1eec-11eb-bdb4-093d0d48e40a; path=/; Vary: content: text/plain: schema: type: string contentMediaType: text/plain example: Accept-Encoding Via: content: text/plain: schema: type: string contentMediaType: text/plain example: 1.1 google CF-Cache-Status: content: text/plain: schema: type: string contentMediaType: text/plain example: DYNAMIC cf-request-id: content: text/plain: schema: type: string contentMediaType: text/plain example: 063adb41230000ebec153bb000000001 Expect-CT: content: text/plain: schema: type: string contentMediaType: text/plain example: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct" X-RateLimit-Limit: content: text/plain: schema: type: string contentMediaType: text/plain example: '1500' X-RateLimit-Remaining: content: text/plain: schema: type: string contentMediaType: text/plain example: '1499' X-RateLimit-Reset: content: text/plain: schema: type: string contentMediaType: text/plain example: '1604594112' Server: content: text/plain: schema: type: string contentMediaType: text/plain example: cloudflare content: application/json; charset=utf-8: schema: allOf: - $ref: '#/components/schemas/Usage' - examples: - usage: - limitType: requestLimit description: The maximum number of requests you can make limit: 1000000000 currentUsage: 89299 usageRemaining: 999910701 - limitType: recordLimit description: The maximum number of records you can retrieve limit: 1000000000 currentUsage: 46650 usageRemaining: 999953350 - limitType: uniqueIdLimit description: The maximum number of person or company records you can redeem limit: 10000000 currentUsage: 1110 usageRemaining: 9998890 - limitType: webSightsApiRequestLimit description: The maximum number of WebSights requests you can make limit: 100000010 currentUsage: 757 usageRemaining: 99999253 - limitType: webSightsApiRecordLimit description: The max number of WebSights records you can retrieve limit: 10000000 currentUsage: 763 usageRemaining: 9999237 contentMediaType: application/json; charset=utf-8 example: usage: - limitType: requestLimit description: The maximum number of requests you can make limit: 1000000000 currentUsage: 89299 usageRemaining: 999910701 - limitType: recordLimit description: The maximum number of records you can retrieve limit: 1000000000 currentUsage: 46650 usageRemaining: 999953350 - limitType: uniqueIdLimit description: The maximum number of person or company records you can redeem limit: 10000000 currentUsage: 1110 usageRemaining: 9998890 - limitType: webSightsApiRequestLimit description: The maximum number of WebSights requests you can make limit: 100000010 currentUsage: 757 usageRemaining: 99999253 - limitType: webSightsApiRecordLimit description: The max number of WebSights records you can retrieve limit: 10000000 currentUsage: 763 usageRemaining: 9999237 deprecated: false x-microcks-operation: delay: 0 dispatcher: FALLBACK components: schemas: Usage1: title: Usage1 required: - limitType - description - limit - currentUsage - usageRemaining type: object properties: limitType: type: string example: standard description: type: string example: Enterprise software company limit: type: integer contentEncoding: int32 example: 100 currentUsage: type: integer contentEncoding: int32 example: 100 usageRemaining: type: integer contentEncoding: int32 example: 100 examples: - limitType: requestLimit description: The maximum number of requests you can make limit: 1000000000 currentUsage: 89299 usageRemaining: 999910701 Usage: title: Usage required: - usage type: object properties: usage: type: array items: $ref: '#/components/schemas/Usage1' description: '' example: [] examples: - usage: - limitType: requestLimit description: The maximum number of requests you can make limit: 1000000000 currentUsage: 89299 usageRemaining: 999910701 - limitType: recordLimit description: The maximum number of records you can retrieve limit: 1000000000 currentUsage: 46650 usageRemaining: 999953350 - limitType: uniqueIdLimit description: The maximum number of person or company records you can redeem limit: 10000000 currentUsage: 1110 usageRemaining: 9998890 - limitType: webSightsApiRequestLimit description: The maximum number of WebSights requests you can make limit: 100000010 currentUsage: 757 usageRemaining: 99999253 - limitType: webSightsApiRecordLimit description: The max number of WebSights records you can retrieve limit: 10000000 currentUsage: 763 usageRemaining: 9999237 securitySchemes: httpBearer: type: http scheme: bearer bearerAuth: type: http scheme: bearer bearerFormat: JWT description: JWT token obtained from the /authenticate endpoint