# call4me

> your AI agent makes phone calls for you: restaurant bookings, doctor, dentist, and vet appointments, dealership and service questions, home internet, flight changes, and questions for any business in the US, Canada and Europe, or elsewhere with a call4me number in that country. The caller sounds like a normal person, asks your agent mid-call when it needs something, and your agent gets the outcome and transcript. Prepaid credits from $10; $0.25 per minute of talk time; unanswered calls are free.

Everything goes through the MCP server, signed in as a call4me user (Google or X in the browser, then OAuth for the agent), or with an API key from the account page. There is no separate sign-up: the first Google or X sign-in creates the account.

## For agents

- [MCP server](https://call4.me/mcp): every operation as a tool at https://call4.me/mcp (Streamable HTTP); OAuth 2.1 sign-in, or an API key as a Bearer token or in the URL (https://call4.me/mcp/<key>)
- [Agent Skills index](https://call4.me/.well-known/agent-skills/index.json): call4me's own skill, how an agent sets up and places calls (Agent Skills Discovery v0.2.0)
- [API catalog](https://call4.me/.well-known/api-catalog): RFC 9727 linkset of the machine interfaces
- [A2A agent card](https://call4.me/.well-known/agent-card.json): what kinds of calls call4me makes and what each needs before dialing (JSON-RPC at https://call4.me/a2a)
- [Credits over x402](https://call4.me/api): GET https://call4.me/api answers 402 with a USDC price on Base; pay it with a call4me key or OAuth token in the Authorization header and the credits land on that account (?amount=<dollars>, 10 to 500)
- [auth.md](https://call4.me/auth.md): how an agent registers and signs in (OAuth protected resource metadata at https://call4.me/.well-known/oauth-protected-resource)

## Site

- [Home](https://call4.me/): what call4me does, pricing, and the install prompt
- [Examples](https://call4.me/examples): real call recordings with edited excerpts, outcomes, and transcripts
- [Voices](https://call4.me/voices): a phone-quality sample of each caller voice, and how to pick one
- [Install MCP](https://call4.me/mcp): one prompt for Claude Code, Codex, Claude Desktop, claude.ai, ChatGPT, Muse, and Grok Bot
- [Rules](https://call4.me/rules): what call4me will and will not call for
- [Blog](https://call4.me/blog): notes on AI agents that make phone calls, what call4me is good at, what changed (Atom feed at https://call4.me/blog/feed.xml)
  - [Make phone calls from Claude Code with MCP: setup and a real test](https://call4.me/blog/claude-code-phone-calls): How to add a phone calling MCP server to Claude Code, verify the connection, and use calls in an existing research task, with a recorded Foreign Cinema attempt and exact tool behavior.
  - [How to make phone calls from Codex with MCP](https://call4.me/blog/codex-phone-calls): Connect Codex to call4me through MCP with OAuth or an API key. Learn the result loop, approval settings, and what we verified in a real restaurant research session.
  - [Web research and phone calls in your AI agent: comparing SF private dining](https://call4.me/blog/agent-web-research-phone-calls-sf-private-dining): A real Codex web research and phone workflow for SF private dining, with a separate Claude Code call, recordings, sources and explicit unresolved questions.
  - [Phone calling MCP servers for Claude Code and Codex: which setup fits your agent?](https://call4.me/blog/phone-calling-mcp-comparison): Compare phone calling MCP servers for Claude Code and Codex with real call4me, Vapi Agent Phone, and Bland calls, recordings, transcripts, setup steps, and observed limits.
  - [Cascaded voice stack vs GPT Live for phone calling agents](https://call4.me/blog/cascaded-voice-stack-vs-gpt-live): Compare STT, LLM and TTS pipelines with GPT Live for phone agents. See the reasoner setup, telephone playback, IVR support and a repeatable test method.
  - [How to cancel Factor meals: online, by phone, and before the next box](https://call4.me/blog/cancel-factor): Cancel Factor meals online or call (888) 573 5727. Check the next order separately. Two recorded calls explain verification, confirmation and cutoff conflicts.
  - [How to cancel Fubo: we reached a human after its AI assistant](https://call4.me/blog/cancel-fubo): Cancel Fubo online, by phone or through Roku. Hear our real calls about free trials, paid plans, confirmation and reaching a human at (844) 441 3826.
  - [How to cancel HelloFresh: next box, deadline and a real call](https://call4.me/blog/cancel-hellofresh): Cancel HelloFresh online before the next box cutoff. Hear our support call about processed orders, confirmation and phone help at (646) 846 3663.
  - [Allstate phone number: the customer service number, and how to reach an agent](https://call4.me/blog/allstate-customer-service-number): The Allstate phone number is 800-726-6033 for customer service and quotes, and 800-255-7828 for claims. Answer the menu's questions to reach a licensed agent, from a real recorded call.
  - [How to cancel an Audible membership: we called Audible (recording)](https://call4.me/blog/cancel-audible): Cancel Audible online or by phone at 888-283-5051. Unused credits expire when it ends; pause for 90 days instead. From a real recorded call to Audible.
  - [Fabletics customer service: the phone number, how to cancel, and the VIP charge](https://call4.me/blog/fabletics-customer-service): The Fabletics customer service number is 1-844-322-5384, open 24/7. How to reach a person, skip the $69.95 VIP charge, and cancel, from a real recorded call.
  - [How much is an eye exam without insurance? Two real quotes, recorded](https://call4.me/blog/eye-exam-cost-without-insurance): Two offices in Katy, TX quoted $143 and $99 for a self-pay routine eye exam on recorded calls, and one booked an exam the same afternoon.
  - [How to book a follow-up appointment, then switch it to telehealth (2 recorded calls)](https://call4.me/blog/follow-up-appointment-telehealth): Two real calls to a doctor's office: booking a follow-up appointment in a 2 minute call, then switching it to a Zoom telehealth visit at the same time.
  - [How much does a private dining room cost? We called 5 restaurants for a dinner for 10](https://call4.me/blog/private-dining-room-cost): We called five Durham restaurants about a private dining room for 10. Room fees ran from none to $1,500. Every quote, the recordings, and what to ask.
  - [How to transfer a prescription from Amazon Pharmacy to Walgreens (3 recorded calls)](https://call4.me/blog/how-to-transfer-a-prescription): To transfer a prescription, check stock, register at the new pharmacy, then have the old one send it. 3 recorded calls, Amazon Pharmacy to Walgreens.
  - [Amazon Pharmacy phone number: what happens when you call, and how we got a stuck prescription moving in under an hour](https://call4.me/blog/amazon-pharmacy-phone-number): Amazon Pharmacy customer care is 855-745-5725. We called about prescriptions stuck in pharmacist review: the recording, the menu, and what got them moving.
  - [Grok connectors and MCP: how to add custom tools to Grok (and make phone calls)](https://call4.me/blog/grok-connectors-mcp-phone-calls): What Grok connectors are, whether Grok supports MCP, and how to add a custom MCP server on grok.com, in Grok Bot, and through the xAI API, with phone calls as the example.
  - [How to use Meta Muse with custom connectors (and give it a phone)](https://call4.me/blog/meta-muse-ai-agent-phone-calls): What Meta's Muse AI agent is, how Muse connectors and custom connectors work, and how to set Muse up to make phone calls with call4me, keeping your key out of the chat.
  - [Etihad customer service: the US number, the phone menu, and following up on a complaint](https://call4.me/blog/etihad-customer-service): Etihad's US customer service number is +1 914-303-8393, open 24 hours. The menu path to a person, and what a complaint follow-up got, from a real call.
  - [How much does a lawyer consultation cost? We called 4 law firms and booked one for $300](https://call4.me/blog/lawyer-consultation-fee): We called four Michigan law firms to book a lawyer consultation. One quoted $400, then booked 30 minutes by phone for $300. The recordings and what to ask.
  - [American Airlines flight credit: what it takes to use one by phone, from two recorded calls](https://call4.me/blog/american-airlines-flight-credit): We called American Airlines twice to apply a flight credit to a held trip. Who must be on the line, why it was worth less, and both recordings.
  - [Adderall shortage: we called 10 South Florida pharmacies, and every one that answered was out](https://call4.me/blog/adderall-shortage): Is there still an Adderall shortage? We called 10 South Florida pharmacies on Oct 1, 2026. All 5 that answered had no 30 mg. Recordings and next steps.
  - [How to find a new primary care doctor with an out-of-state plan (15 recorded calls)](https://call4.me/blog/how-to-find-a-new-primary-care-doctor): We called 10 Baltimore-area practices to find a new primary care doctor on an out-of-state BCBS PPO. Who took it, the wait, and what to ask.
  - [USAA phone number: how to reach a person, and who can join](https://call4.me/blog/usaa-phone-number): The USAA phone number is 800-531-8722. Press 1, then 2, then say "membership" to reach the eligibility team. Who can join, from a real recorded call.
  - [UPS phone number: how to reach a person at UPS's contact number, from two recorded calls](https://call4.me/blog/ups-contact-number): The UPS phone number and contact number is 1-800-742-5877. Saying "representative" twice at the tracking number prompt got us a person. Both calls recorded.
  - [Verizon customer service number: we reached a person, and switching plans saves about $48](https://call4.me/blog/verizon-customer-service): Verizon customer service is 800-922-0204. An AI assistant answers; "An agent, please" reached a person, who said a plan switch saves about $48 a month.
  - [FPL phone number: how we reached a person at Florida Power & Light to ask about starting service](https://call4.me/blog/fpl-phone-number): FPL's phone number is 1-888-988-8249. "Representative" gets "That option is not available." The route that reached a person, and what the agent said.
  - [FedEx customer service number: how we reached a person (FedEx called us back)](https://call4.me/blog/fedex-customer-service-number): The FedEx customer service number is 1-800-463-3339. With a tracking number, asking for a representative got us a callback from a live agent.
  - [United change flight rules: what a United agent told us, and how to reach one](https://call4.me/blog/united-change-flight): United change flight rules from a recorded call. Economy pays only the fare difference, Basic Economy is stricter. Call 1-800-864-8331, say "flight change fee".
  - [UnitedHealthcare phone number: which one to call, and what a licensed agent told us](https://call4.me/blog/unitedhealthcare-phone-number): The UnitedHealthcare phone number for members is on your ID card. Not a member? Call 1-888-585-0631 and press 1 for a licensed agent. From a recorded call.
  - [Need dress shoes today? Our AI called 3 DC stores and got a pair on hold by 11 am](https://call4.me/blog/need-dress-shoes-today): A shoe broke the morning of a gala. We called 2 Nordstrom Racks and a Men's Wearhouse in DC, found a $119 pair, and got it held for pickup. All 6 calls.
  - [Spectrum retention department: the number, what to say, and the offer we got ($85 to $55)](https://call4.me/blog/spectrum-retention-department): How to reach the Spectrum retention department: call (833) 267-6094 and say "cancel," then "disconnect." Our call got $85/mo internet cut to $55 for a year.
  - [Experian phone number: what actually happens when you call to freeze your credit](https://call4.me/blog/experian-phone-number): Experian's number is 1-888-397-3742. It asks for your full SSN first, and we found no way to reach a person without it. Full recording and phone tree.
  - [How to cancel a Planet Fitness membership: we called two clubs (recordings)](https://call4.me/blog/cancel-planet-fitness): Planet Fitness clubs set their own cancellation terms. We called two in San Francisco: a $58 early cancel fee, and the annual fee rules. Recordings inside.
  - [Wayfair customer service: the phone number, what happens when you call, and what returning a sofa costs](https://call4.me/blog/wayfair-customer-service): Wayfair's number is 844-403-5086. Describing our question got us a live agent in about a minute. What returning a sofa costs, from a real call.
  - [Costco tire appointment: how to cancel it, find your online order, and get a refund (3 real calls)](https://call4.me/blog/costco-tire-appointment-cancel-refund): To cancel a Costco tire appointment, call your warehouse and press 1, not the Tire Center option. Refunds come from Costco.com in 3 to 5 business days.
  - [How to reschedule a dentist appointment (and the 2 minute call an AI made to do it)](https://call4.me/blog/reschedule-dentist-appointment): Call with the patient's name, the appointment, and two or three times that work. A real 2 minute call shows how it goes, with the recording and script.
  - [How much does junk removal cost? A real $140 quote, recorded](https://call4.me/blog/junk-removal-cost): Junk removal is priced by load size and access. A San Francisco hauler quoted about $140 for a small load of office boxes on a real, recorded call.
  - [OpenAI realtime voices on a real phone call: marin vs cedar vs gleam vs meridian](https://call4.me/blog/openai-realtime-voices-phone-calls): Hear marin, cedar, gleam, and meridian in five languages at phone quality, with measured pitch and pace, which voice to pick, and why none uses a name.

## Optional

- [Terms](https://call4.me/terms)
- [Privacy](https://call4.me/privacy): what is stored; call audio is never recorded; content signals: search=yes, ai-input=yes, ai-train=no