{"category":{"id":"phone","name":"Phone","description":"Phone numbers, SMS, voice, OTP behavior, and telecom access for agents.","pagePath":"/phone","markdownPath":"/categories/phone.md"},"count":7,"fields":[{"name":"company_slug","type":"string","description":"Stable company slug used in URLs and API lookups.","buyer_reason":"Lets a buyer bookmark, diff, and fetch the same vendor reliably."},{"name":"company_name","type":"string","description":"Vendor name.","buyer_reason":"Names the provider behind the offering."},{"name":"tagline","type":"string","description":"One sentence description of what the company sells.","buyer_reason":"Gives a fast fit check before deeper comparison."},{"name":"company_status","type":"active | acquired | dead","description":"Overall company status.","buyer_reason":"Separates operating vendors from market history."},{"name":"url","type":"url","description":"Primary vendor URL.","buyer_reason":"Provides the next place to verify or start procurement."},{"name":"offering_status","type":"live | beta | waitlist | announced | deprecated | dead","description":"Maturity of the category-specific offering.","buyer_reason":"Shows whether a buyer can use the product now or should treat it as futureware."},{"name":"what_you_get","type":"string","description":"Plain-English summary of the offering.","buyer_reason":"Explains the actual deliverable, not just the category label."},{"name":"geographies","type":"string[]","description":"Published geographic availability.","buyer_reason":"Prevents wasted vendor work when coverage does not match the buyer's users."},{"name":"acquisition","type":"self_serve | waitlist | sales_led","description":"Published buying or onboarding motion.","buyer_reason":"Clarifies whether a buyer can test quickly or needs a sales cycle."},{"name":"pricing_summary","type":"string","description":"Published pricing summary when available.","buyer_reason":"Surfaces pricing opacity and likely budget impact."},{"name":"pricing_url","type":"url","description":"Pricing source URL when available.","buyer_reason":"Lets a buyer verify current commercial terms."},{"name":"integration_api","type":"boolean","description":"Whether a public API is published.","buyer_reason":"Indicates if the offering can be integrated without manual operations."},{"name":"integration_sdk","type":"boolean","description":"Whether an SDK is published.","buyer_reason":"Indicates implementation speed for developer teams."},{"name":"integration_mcp","type":"boolean","description":"Whether MCP support is published.","buyer_reason":"Indicates direct usefulness to agent clients and agentic workflows."},{"name":"standards","type":"string[]","description":"Relevant standards or protocols tagged in the registry.","buyer_reason":"Shows interoperability anchors and ecosystem commitments."},{"name":"gotchas","type":"string[]","description":"Hands-on caveats found during registry review.","buyer_reason":"Highlights buyer diligence items that marketing pages often omit."},{"name":"last_checked","type":"YYYY-MM-DD","description":"Date this registry entry was last checked against sources.","buyer_reason":"Shows how fresh the claim is."},{"name":"freshness_days","type":"number","description":"Days since last_checked.","buyer_reason":"Makes stale entries easy to filter."},{"name":"sources","type":"url[]","description":"Source URLs backing the material facts.","buyer_reason":"Supports independent verification."},{"name":"number_types","type":"local | toll_free | mobile[]","description":"Phone number types available.","buyer_reason":"Determines user trust, deliverability, and reachable channels.","categories":["phone"]},{"name":"countries","type":"string[]","description":"Countries where numbers are available.","buyer_reason":"Confirms whether the product covers the buyer's markets.","categories":["phone"]},{"name":"capabilities","type":"sms | voice | mms[]","description":"Messaging and calling capabilities.","buyer_reason":"Clarifies whether the agent can text, call, receive media, or do only one mode.","categories":["phone"]},{"name":"provisioning_time","type":"string","description":"Published time to provision a number.","buyer_reason":"Impacts automation, testing, and onboarding workflows.","categories":["phone"]},{"name":"a2p_compliance","type":"handled | diy","description":"How application-to-person compliance is handled.","buyer_reason":"Shows whether the vendor absorbs telecom compliance work.","categories":["phone"]},{"name":"otp_policy","type":"allowed | prohibited | unclear","description":"Published policy for one-time passcodes.","buyer_reason":"Prevents building authentication flows on unsupported traffic.","categories":["phone"]}],"rows":[{"company_slug":"agentcall","company_name":"AgentCall","tagline":"AgentCall provisions real phone numbers for AI agents and lets them send SMS, make and receive voice calls, and extract OTPs through a REST API.","company_status":"active","url":"https://agentcall.co/product","offering_status":"live","what_you_get":"An agent gets a dedicated US or Canadian phone number that can send and receive SMS, make and receive AI voice calls, and auto-extract OTP codes from incoming texts, all through a REST API, SDKs, or an MCP server.","geographies":["US","CA"],"acquisition":"self_serve","pricing_summary":"Free tier: 1 US number, 5 voice minutes, 5 inbound AI voice minutes. Pro: $19.99/month plus usage, numbers from $2/month, voice calls at $0.035/minute, outbound/inbound AI voice at $0.40/minute managed or $0.10/minute bring-your-own-key, premium ElevenLabs voice at $0.59/minute, SMS at $0.015/message, call recording at $0.01/minute. Agent Startup tier ($189/month, coming soon): 3 phone identities, 500 SMS/month, 500 voice minutes/month, 250 AI voice minutes/month.","pricing_url":"https://agentcall.co/pricing","integration_api":true,"integration_sdk":true,"integration_mcp":true,"standards":[],"gotchas":[],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://agentcall.co/product","https://agentcall.co/","https://agentcall.co/pricing"],"number_types":["local","toll_free","mobile"],"countries":["US","CA"],"capabilities":["sms","voice"],"provisioning_time":"under 5 seconds","a2p_compliance":null,"otp_policy":"allowed"},{"company_slug":"agentmessage","company_name":"AgentMessage","tagline":"AgentMessage is an SMS API that lets AI agents send and receive SMS, MMS, and iMessage with built-in consent and compliance handling.","company_status":"active","url":"https://agentmessage.io/","offering_status":"live","what_you_get":"Agents get a US phone number that can receive SMS immediately and send SMS, MMS, or iMessage once 10DLC carrier registration is complete, through a single API with built-in consent and opt-out handling.","geographies":["US"],"acquisition":"self_serve","pricing_summary":"$0.94 per phone number per month, $0.0078 per message segment inbound and outbound, iMessage add-on $150 per line per month with no per-message fee, enterprise custom pricing from $0.0060/segment for 1M+ segments/month. One-time brand registration $4.00-$4.50, optional identity vetting $41.50-$101.50, campaign fees $1.50-$30.00/month.","pricing_url":"https://agentmessage.io/pricing","integration_api":true,"integration_sdk":false,"integration_mcp":false,"standards":[],"gotchas":[],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://agentmessage.io/","https://agentmessage.io/docs","https://agentmessage.io/pricing"],"number_types":["local"],"countries":["US"],"capabilities":["sms","mms"],"provisioning_time":"Numbers active for inbound immediately; outbound requires 10DLC carrier registration approval","a2p_compliance":"handled","otp_policy":null},{"company_slug":"agentsnumber-agentnumber","company_name":"AgentNumber","tagline":"AgentNumber provisions real US phone numbers with SMS and voice for AI agents, paid per use in USDC via the x402 protocol on Base.","company_status":"active","url":"https://www.agentsnumber.com/","offering_status":"live","what_you_get":"A real US phone number provisioned instantly via a single API call, with SMS and voice calling for AI agents, no signup or KYC required, paid per use in USDC.","geographies":["US"],"acquisition":"self_serve","pricing_summary":"Phone number $5 USDC one-time, SMS $0.02 USDC per message, voice calls $0.05 USDC per minute, paid via the x402 protocol with no subscription.","pricing_url":null,"integration_api":true,"integration_sdk":false,"integration_mcp":false,"standards":[],"gotchas":["The company's API docs describe a separate credit-pack based pricing model ($5 per number, $0.05/min outbound, $0.03/min inbound, credits sold in $10 packs) that differs from the per-use USDC/x402 pricing advertised on the homepage."],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://www.agentsnumber.com/","https://www.agentsnumber.com/docs"],"number_types":["local"],"countries":["US"],"capabilities":["sms","voice"],"provisioning_time":"seconds","a2p_compliance":null,"otp_policy":null},{"company_slug":"agentphone","company_name":"AgentPhone","tagline":"AgentPhone gives AI agents their own phone numbers for calls, SMS, and messaging.","company_status":"active","url":"https://agentphone.ai/","offering_status":"live","what_you_get":"Agents get a provisioned phone number for voice calls and SMS/MMS messaging, with real-time transcription of inbound calls and text-to-speech for agent replies, delivered through a unified webhook.","geographies":["US","CA"],"acquisition":null,"pricing_summary":null,"pricing_url":null,"integration_api":true,"integration_sdk":true,"integration_mcp":true,"standards":[],"gotchas":[],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://agentphone.ai/","https://docs.agentphone.ai/welcome","https://www.ycombinator.com/companies/agentphone"],"number_types":null,"countries":null,"capabilities":["sms","voice","mms"],"provisioning_time":null,"a2p_compliance":null,"otp_policy":null},{"company_slug":"inkbox","company_name":"Inkbox","tagline":"Inkbox gives AI agents a persistent identity with an email inbox, a phone number, and a public tunnel URL.","company_status":"active","url":"https://inkbox.ai/","offering_status":"live","what_you_get":"Phone-enabled agent identities get a real PSTN number for calls with audio streaming and SMS/MMS, available as an optional add-on to an identity.","geographies":[],"acquisition":"self_serve","pricing_summary":"Free tier has no phone numbers. Hobbyist ($10/month) includes 1 phone-enabled identity with 300 SMS/MMS and 30 call minutes monthly. Developer ($25/month) includes 3 phone-enabled identities with the same per-identity allowance. Overage is $0.03 per SMS/MMS ($0.02 with a registered 10DLC campaign) and $0.03 per call minute.","pricing_url":"https://inkbox.ai/pricing","integration_api":true,"integration_sdk":true,"integration_mcp":false,"standards":[],"gotchas":[],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://inkbox.ai/","https://inkbox.ai/docs/get-started/introduction","https://inkbox.ai/pricing","https://github.com/inkbox-ai/inkbox","https://github.com/inkbox-ai"],"number_types":["local"],"countries":["US"],"capabilities":["sms","voice","mms"],"provisioning_time":null,"a2p_compliance":null,"otp_policy":null},{"company_slug":"sendblue","company_name":"Sendblue","tagline":"Sendblue gives AI agents a dedicated phone line to send and receive iMessage, SMS, and MMS through a REST API.","company_status":"active","url":"https://www.sendblue.com/","offering_status":"live","what_you_get":"A dedicated phone number that an AI agent or LLM can use to send and receive iMessage, with automatic fallback to RCS and SMS, plus MMS media, reactions, read receipts, and typing indicators, all through a webhook-based REST API. FaceTime calling via WebRTC is available with a separate FaceTime line purchase.","geographies":[],"acquisition":"self_serve","pricing_summary":"Free sandbox with up to 10 verified contacts and no outbound sending. AI Agent plan is $100 per month per dedicated line with unlimited messaging and no per-message fees, 1,000 inbound contacts per day. Enterprise plan is custom, volume-based, and adds full outbound messaging, multiple lines, and SOC 2 and HIPAA compliance.","pricing_url":"https://www.sendblue.com/pricing","integration_api":true,"integration_sdk":false,"integration_mcp":true,"standards":[],"gotchas":[],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://www.sendblue.com/","https://www.sendblue.com/use-cases/ai-agents","https://docs.sendblue.com/","https://www.sendblue.com/pricing"],"number_types":["local"],"countries":null,"capabilities":["sms","voice","mms"],"provisioning_time":null,"a2p_compliance":null,"otp_policy":null},{"company_slug":"spenza","company_name":"Spenza","tagline":"Spenza provisions phone numbers with SMS and voice APIs for AI agents, built on its MVNE telecom platform.","company_status":"active","url":"https://spenza.com/","offering_status":"live","what_you_get":"Agents get a local or international phone number provisioned via API, with SMS send and receive and real-time voice audio streaming over SIP or WebRTC.","geographies":["US","UK","EU","40+ countries"],"acquisition":"self_serve","pricing_summary":null,"pricing_url":null,"integration_api":true,"integration_sdk":false,"integration_mcp":false,"standards":[],"gotchas":[],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://spenza.com/","https://phoneforaiagents.spenza.com/","https://spenza.com/ai-phone-number/"],"number_types":["local"],"countries":["US","UK","EU","40+ countries"],"capabilities":["sms","voice"],"provisioning_time":"instant, via single API call","a2p_compliance":null,"otp_policy":null}]}