L

LunaBill

AI agents for healthcare revenue-cycle teams that work the accounts-receivable queue end to end: checking payer portals, calling insurers, handling denials and appeals, resubmitting claims and posting results back to the EHR, priced as a share of collections recovered.

StageUndisclosed

Founded2025

HeadquartersSan Francisco, USA

StatusPrivate

Product

Selected offerings — the AI products recorded here, not the vendor's full catalogue.

• LunaBill AI agent

  AI agents that work a health system's or billing firm's unpaid-claims queue: they check payer portals, place and hold payer calls, read denials, file appeals, resubmit claims and write payments and notes back to the EHR; billed as a share of net collections recovered, with the rate set per customer.

Similar products 61

No sourced competitor yet: no filing, vendor document or measured-market report read so far names a rival for this company, so none is asserted. The companies below are the closest by what their products do.

How this list is ranked ↗

AHAssort HealthLate-stageLunaBill and Assort Activate both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareEEvenUpLate-stageLunaBill and EvenUp Communication Agents both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareCCerencePublicLunaBill and Dealer Assist Agent both list voice agent; LunaBill's scale not recorded.1 of 2 capabilitiesShared product typeCompareHAHippocratic AILate-stageLunaBill and AI Physician Front Door both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareSASoundHound AIPublicLunaBill and Employee Assist both list voice agent; LunaBill's scale not recorded.1 of 2 capabilitiesShared product typeCompareRRibbonEarly-stageLunaBill and Ribbon AI Interviewer both list voice agent; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareSScreenedUndisclosedLunaBill and Ryan both list voice agent; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareFForethoughtAcquiredLunaBill and Forethought Voice both list voice agent; LunaBill's scale not recorded; Forethought is acquired, with no independent scale.2 of 2 capabilitiesShared product typeCompareAAlexEarly-stageLunaBill and AI Interviewer both list voice agent; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareFLFunnel LeasingUndisclosedLunaBill and Fenix both list voice agent; scale not recorded for either.2 of 2 capabilitiesShared product typeComparePPolyAIUndisclosedLunaBill and PolyAI dialog agents both list voice agent; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareSServiceNowPublicLunaBill and AI Agents both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareHHaptikAcquiredLunaBill and Voice AI Agents both list voice agent; LunaBill's scale not recorded; Haptik is acquired, with no independent scale.2 of 2 capabilitiesShared product typeCompareSSalesforcePublicLunaBill and Casey, the Help Agent both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeComparePPhenomLate-stageLunaBill and Voice Screening Agent both list voice agent; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareSIShire IntelligenceUndisclosedLunaBill and Shire both list voice agent; scale not recorded for either; ships application rather than the same layer.2 of 2 capabilitiesDifferent layerCompareLLListen LabsLate-stageLunaBill and Listen both list voice agent; scale not recorded for either; ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareFFinAcquiredLunaBill and Fin Voice both list voice agent; LunaBill's scale not recorded; Fin is acquired, with no independent scale.2 of 2 capabilitiesShared product typeCompareCCartesiaEarly-stageLunaBill and Managed Agents both list voice agent; scale not recorded for either; ships API service and agent platform rather than the same layer.1 of 2 capabilitiesDifferent layerCompare1111xEarly-stageLunaBill and Julian both list voice agent; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareBBrightHireEarly-stageLunaBill and BrightHire Screen both list voice agent; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareFRFurhat RoboticsUndisclosedLunaBill and FurhatAI Creator both list voice agent; scale not recorded for either; ships application, platform and 1 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareASAI ScreenrUndisclosedLunaBill and AI Screenr both list voice agent; scale not recorded for either; ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareYYellow.aiUndisclosedLunaBill and Nexus Vox both list voice agent; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareSSona8UndisclosedLunaBill and Sona8 both list voice agent; scale not recorded for either; ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareZZoomPublicLunaBill and Zoom Virtual Agent Receptionist both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareDDecagonLate-stageLunaBill and Decagon both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareCCrescendoEarly-stageLunaBill and Crescendo Concierge both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeComparePParloaLate-stageLunaBill and Parloa AMP both list voice agent; LunaBill's scale not recorded.1 of 2 capabilitiesShared product typeCompareLLivePersonAcquiredLunaBill and LivePerson Voice AI both list voice agent; LunaBill's scale not recorded; LivePerson is acquired, with no independent scale.2 of 2 capabilitiesShared product typeCompareSSpeakLate-stageLunaBill and Speak for Business both list voice agent; LunaBill's scale not recorded; ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareNNiCEPublicLunaBill and AI Agents for Self-Service both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareGGenesysUndisclosedLunaBill and Genesys Cloud CX both list voice agent; LunaBill's scale not recorded; Genesys's scale not comparable: only a revenue estimate, no market cap or valuation.2 of 2 capabilitiesShared product typeCompareSSierraLate-stageLunaBill and Sierra both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareTTwilioPublicLunaBill and Twilio Conversations both list voice agent; LunaBill's scale not recorded; ships API service, application and 3 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareOOraclePublicLunaBill and Oracle Digital Assistant both list voice agent; LunaBill's scale not recorded; ships API service, agent platform and 6 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareKKore.aiLate-stageLunaBill and AI for Service both list voice agent; scale not recorded for either; ships agent platform and application rather than the same layer.2 of 2 capabilitiesDifferent layerCompareALAleph LabUndisclosedLunaBill and Aleph Kids both list voice agent; scale not recorded for either; ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareSCSpanish ChatUndisclosedLunaBill and Maya both list voice agent; scale not recorded for either; ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareRARetell AIUndisclosedLunaBill and Retell AI Voice Agents both list voice agent; scale not recorded for either; ships agent platform rather than the same layer.1 of 2 capabilitiesDifferent layerCompareBABland AIEarly-stageLunaBill and Bland both list voice agent; scale not recorded for either; ships API service and agent platform rather than the same layer.1 of 2 capabilitiesDifferent layerCompareCCognigyAcquiredLunaBill and Cognigy Voice Gateway both list voice agent; LunaBill's scale not recorded; Cognigy is acquired, with no independent scale; ships agent platform, application and 2 more rather than the same layer.2 of 2 capabilitiesDifferent layerCompareXXiao-iPublicLunaBill and Xiao-i cognitive intelligence platform both list voice agent; LunaBill's scale not recorded; Xiao-i's scale not comparable: only a revenue estimate, no market cap or valuation; ships application and platform rather than the same layer.1 of 2 capabilitiesDifferent layerCompareAApplePublicLunaBill and Siri AI both list voice agent; LunaBill's scale not recorded; ships application and developer tool rather than the same layer.1 of 2 capabilitiesDifferent layerCompareRRespeecherEarly-stageLunaBill and Respeecher Space both list voice agent; scale not recorded for either; ships API service and application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareYYandexPublicLunaBill and Yandex SpeechKit both list voice agent; LunaBill's scale not recorded; ships API service, application and 2 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareTATalkio AIUndisclosedLunaBill and Talkio AI both list voice agent; scale not recorded for either; ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareDDuolingoPublicLunaBill and Duolingo Max both list voice agent; LunaBill's scale not recorded; ships application rather than the same layer.1 of 2 capabilitiesDifferent layerCompareIAInworld AIUndisclosedLunaBill and Realtime API both list voice agent; scale not recorded for either; ships API service, infrastructure service and 2 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareMmonday.comPublicLunaBill and monday Agent Factory both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareSTSK TelecomPublicLunaBill and NUGU bizcall both list voice agent; scale not recorded for either; ships application and infrastructure service rather than the same layer.1 of 2 capabilitiesDifferent layerCompareMManatalUndisclosedLunaBill and Manatal AI Interviewer both list voice agent; scale not recorded for either.1 of 2 capabilitiesShared product typeCompareSSynthesiaLate-stageLunaBill and Survey Sessions both list voice agent; LunaBill's scale not recorded.1 of 2 capabilitiesShared product typeCompareRRingCentralPublicLunaBill and AI Receptionist both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareIInCruiterUndisclosedLunaBill and IncScreen both list voice agent; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareEeGainPublicLunaBill and eGain AI Agent both list voice agent; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareDDiligenceSquaredUndisclosedLunaBill and DiligenceSquared both list voice agent; scale not recorded for either; ships platform rather than the same layer.1 of 2 capabilitiesDifferent layerCompareCCiscoPublicLunaBill and Webex AI Agent both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompareRRasaEarly-stageLunaBill and Rasa Voice both list voice agent; scale not recorded for either; ships agent platform, application and 1 more rather than the same layer.1 of 2 capabilitiesDifferent layerCompareFFirefliesUndisclosedLunaBill and Fireflies AI Voice Agents both list voice agent; scale not recorded for either.2 of 2 capabilitiesShared product typeCompareFFreshworksPublicLunaBill and Freshcaller both list voice agent; LunaBill's scale not recorded.2 of 2 capabilitiesShared product typeCompare

Closest alternatives are pairs a vendor page itself compares. Similar products are matched from what each product does; nothing in that group is asserted as a rivalry.

Sources

Total funding

Not found · 18 Oct 2026

Pages read for this record state no funding total. Tried the home, pricing, terms and trust pages and the company's YC profile.

Valuation

Not found · 18 Oct 2026

Pages read for this record state no valuation. Tried the home, pricing, terms and trust pages and the company's YC profile.

Founded

Company disclosure · 18 Oct 2026

Own YC profile lists Founded: 2025; lunabill.com states no founding year.

Public listing

Not found · 18 Oct 2026

No listing on the pages read; treated as private.

Description

Official documentation · 18 Oct 2026

Home page: "LunaBill’s AI agents work your entire AR queue:" portals, payer calls, denials, appeals.

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