JUMP TOSMS APIGetting started with SMS APISend APISend SMSpostSend SMS batchpostCancel batch of scheduled SMSdeleteSMS Success FeedbackpostCancel the scheduled messagedeleteReporting APIStart SMS log export jobpostGet log export job resultgetCancel the log export jobdeleteRetrieve SMS detailsgetRemove Personally Identifiable Information (PII)deleteGet SMS price listgetGet account balancegetEngage APISend SMS Engage surveypostSend SMS Engage surveys as batchpostWebhook Configuration APIGet all Webhooks for AccountgetCreate or Replace webhookspostDelete webhooksdeleteSMS Callbacks ReferenceInbound SMSDelivery receipts for outbound SMSSMS Engage response webhookSMS Delivery receipts error codesMessaging Apps APIGetting started with Messaging APISend APISend messagepostSend message batchpostSend Line Notification messagepostSend Line Notification message batchpostCancel the scheduled messagedeleteCancel batch of scheduled ChatAppdeleteSupported Messaging AppsSupported Messaging Apps Content TypesManagement APIMark message as readpostGet WhatsApp templatesgetAdd WhatsApp templatepostRemove WhatsApp templatedeleteReporting APIDownload Messaging Apps LogsStart log export jobpostGet log export job resultgetCancel the log export jobdeleteRetrieve message detailsgetWebhook Configuration APIGet all Webhooks for AccountgetCreate or Replace webhookspostDelete webhooksdeleteMessaging Apps Callbacks ReferenceInbound Messaging Apps messageDelivery receipts for outbound Chat AppsMessaging Apps Fallback managementDelivery Error CodesVerification APIGetting started with Verification APIVerification APICode generationpostCode validationgetProgrammable VoiceCallflows APIVoice MessagingSend Single Voice Message TTSSend Single Voice Message playFile (Audio File)Voice Messaging GuideSession Summary (Voice Messaging)IVRCallflow ActionsSend CallflowpostWebhook Setup Guide for IVRIVR SamplesSimple IVRAdvanced IVR (Reservation Example)Voice Profile APIGet speech profiles for your accountgetRecording APIGet recording push config for your accountgetCreate a new recording push configpostDelete recording push configdeleteGet recording statusgetVirtual Number Management APIGet My Virtual NumbersgetCheck Virtual NumbergetVoice Call Action WebhookCall Action Handling (IVR)Error Code ( Voice Messaging & IVR)Status Code and Status Message (Voice Messaging & IVR)Number MaskingGetting started with Number MaskingHow to implement 8x8 Number Masking?Webhooks APIGet webhook information for your accountgetCreate a new webhookpostDelete a specific type of webhookdeleteWebhook Setup Guide for IVRCall Status (Number Masking)Call Action Handling (Number Masking)Error Codes (Number Masking)Virtual Number UpdatedCall RecordingsVideo Interaction APIIntroductionManagement APIToken creationpostGetting StartedReporting APICall LogsgetDetail callgetRetrieve ImagegetToken example creationiframe integrationNumber Lookup APIGetting started with Number Lookup APINumber Lookup APIGet phone number lookup datagetNumber Lookup Error CodesAutomation APIGetting started with Automation APITriggers & StepsBranchesContext & ScriptingTime zone & OnboardingExamplesWorkflow Definition ManagementRetrieve a list of active workflow definitions.getCreate a new workflow definitionpostRetrieve the version history of a workflow definition.getUpdate workflow definitionputDelete workflow definitiondeleteTest workflow definitionpostWorkflow Instance ManagementRetrieve a list of workflow instancesgetRetrieve workflow instance statusgetUpdate workflow instance statuspatchRetrieve a list of errors for a workflow instancegetWorkflow TriggersTrigger workflows using an external eventpostMiscellaneousRetrieve a list of supported time zonesgetRetrieve a list of supported JavaScript functionsgetRetrieve the allowed workflow counts and current usagegetRetrieve a list of executed workflow counts by yearlygetContacts APIGetting started with Contacts APIContacts APISearch contactsgetCreate contactpostGet contact information by idgetDelete single contactdeleteUpdate contact informationpatchGroups APISearch for groupsgetCreate a grouppostGet group information by idgetDelete groupdeleteUpdate group informationpatchAdd a contact to a grouppostRemove contacts from a groupdeleteBatch APIBatch create contactspostBatch delete contactspostCopy contacts between groupspostMove contacts between groupspostBatch delete groupspostGet batch information by idgetGet batch job listgetGeneral API informationAPI Error codesMessage status referencePrice object referenceWebhook object structureSecurityIP address listSMPPSMPP - ConnectionSMPP TLVsSMPP - Delivery receiptsSMPP - Data encodingUpdate contact informationpatch https://contacts.8x8.com/api/v1/accounts/{accountId}/contacts/{contactId}Update contact information