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📞 Give yourself a call

\n${body}\n`,\n { headers: { \"content-type\": \"text/html\" } },\n );\n}\n\nconst FORM = `\n

Enter your number and Vapi rings it — an AI (${MODEL}) chats with you when you pick up.

\n\n

\n ⚠️ Only call numbers you have consent to call — automated calls without consent violate TCPA/FCC rules.\n

`;\n\nexport default async function (req: Request): Promise {\n if (req.method !== \"POST\") return page(FORM);\n if (!Deno.env.get(\"VAPI_API_KEY\") || !Deno.env.get(\"VAPI_PHONE_NUMBER_ID\")) {\n return page(`

⚠️ Set these two env vars first (get the values from dashboard.vapi.ai):

VAPI_API_KEY — your Vapi private API key
VAPI_PHONE_NUMBER_ID — the ID of a phone number you created in Vapi

`);\n }\n const number = String((await req.formData()).get(\"number\") ?? \"\").trim();\n try {\n const call = await placeCall(number);\n return page(`

☎️ Calling you at ${esc(number)}… (call ${esc(String(call.id ?? \"\"))})

Call again

`);\n } catch (e) {\n return page(`

❌ ${esc(String(e))}

Try again

`);\n }\n}\n","deleted","label",[61],"258fe361-2a65-488f-a07f-93d8f599a210","README.md","019eccd8-9179-769e-8e9e-22f9bde32eac",["D",1781553205533],"# What's the simplest way to make an AI phone call?\n\nThis val serves a tiny form: you type a phone number, Vapi rings it, and an AI\nhas a conversation with whoever answers. Vapi hosts the telephony and the live\naudio bridge to the model, so the whole demo is one POST to\n`https://api.vapi.ai/call` — one file, about seventy lines, no imports.\n\n## Setup\n\n1. **Remix this val** to get your own copy.\n2. **Get a Vapi API key** — sign up at\n [dashboard.vapi.ai](https://dashboard.vapi.ai) and copy your private key,\n then paste it as an env var in your val:\n\n 👉\n [Add `VAPI_API_KEY` here](https://www.val.town/x/templates/vapi-phone-call/environment-variables?key=VAPI_API_KEY)\n\n3. **Create a phone number** in the Vapi dashboard (free Vapi numbers work for\n testing) and copy its ID:\n\n 👉\n [Add `VAPI_PHONE_NUMBER_ID` here](https://www.val.town/x/templates/vapi-phone-call/environment-variables?key=VAPI_PHONE_NUMBER_ID)\n\n## Test it\n\nOpen the HTTP endpoint of\n[`main.ts`](https://www.val.town/x/templates/vapi-phone-call/code/main.ts), type\nyour own number in E.164 format (`+15551234567`), and hit **Call me**. Your\nphone rings and the AI speaks first. Without the env vars set, the page shows a\nsetup reminder instead of erroring.\n\n## Files\n\n- [`main.ts`](https://www.val.town/x/templates/vapi-phone-call/code/main.ts) —\n the form, and the one `fetch` that places the call\n\n## Notes\n\n- `FIRST_MESSAGE`, `SYSTEM_PROMPT`, `MODEL`, and `VOICE` at the top of `main.ts`\n control what the AI opens with, how it behaves, and how it sounds.\n- Free Vapi numbers are US-only and meant for testing.\n- From here you can add tool calls, transcripts, and post-call analysis — see\n [docs.vapi.ai](https://docs.vapi.ai).\n- Only call numbers you have consent to call — automated calls without consent\n violate TCPA/FCC rules.",[80],{"_34":79,"_13":80,"_62":81,"_64":-5,"_65":66,"_67":68,"_69":70,"_36":91,"_17":31,"_72":24,"_74":83,"_76":49,"_77":-5,"_88":92,"_18":93},{"_34":60,"_13":61,"_62":63,"_64":-5,"_65":66,"_67":68,"_69":70,"_36":87,"_17":31,"_72":73,"_74":75,"_76":49,"_77":-5,"_88":89,"_18":90},["D",1781553205533],"children",[],[61],["D",1781553205533],[],[80],"e70c745a-52ed-4af6-88b7-8acfbd0705d4",["D",1781553205533],"legacyEnvVars","httpPrivacy","description","Make an AI phone call with one fetch to 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Code