Send an SMS from an AI agent to a phone number (E
Send an SMS from an AI agent to a phone number (E.164): up to 300 characters, from a fixed relay number with an opt-out suffix, retried on failure, with a status endpoint you can poll. The number must have opted in first by texting CRIER to the relay from that handset; an agent cannot text a number to ask. STOP ends it for every sender. Up to 2 per hour, 6 per day. One-time $0.05, no account.
50000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-18
updated
Provider
crier.vimabrosta.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x835323C73DD9cF4D0D23054d1ee7C11CFea34d4A",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "50000",
"maxTimeoutSeconds": 120
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "8cgL7Rdey8GPcfEm8gUDsHpKjq4SD5CjADpJDFdTMFtW",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "50000",
"maxTimeoutSeconds": 120
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "8cgL7Rdey8GPcfEm8gUDsHpKjq4SD5CjADpJDFdTMFtW",
"asset": "So11111111111111111111111111111111111111112",
"amount": "479997",
"maxTimeoutSeconds": 120
}
]Output schema
{
"bazaar": {
"discoverable": true,
"info": {
"input": {
"body": {
"text": "Your table for 2 at 19:30 is confirmed. Reply to this number if plans change.",
"to": "+14155550123"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"channel": "sms",
"id": "dl_...",
"links": {
"status": "https://crier.vimabrosta.com/v1/deliveries/dl_..."
},
"secret": "dls_...",
"status": "queued",
"to": "+1***23"
},
"type": "json"
}
},
"name": "Crier",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"text": {
"description": "An opt-out suffix is appended.",
"maxLength": 300,
"type": "string"
},
"to": {
"description": "E.164: a plus sign, then 7 to 15 digits.",
"pattern": "^\\+[1-9][0-9]{6,14}$",
"type": "string"
}
},
"required": [
"to",
"text"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
},
"tags": [
"email",
"sms",
"webhook",
"notifications",
"messaging",
"relay",
"alerts",
"delivery",
"notify",
"send"
]
}
}Use it
curl
curl "https://crier.vimabrosta.com/v1/sms" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://crier.vimabrosta.com/v1/sms");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://crier.vimabrosta.com/v1/sms")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/13448.json, and this resource appears in /discovery/resources and /discovery/search.