Unlimited travel eSIMs at 5–50 Mbps: live quotes by country, speed and days, plus a buy link.
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The networks of one country (operator, 5G) and the Flats built from them — each Flat with the networks it includes and the price for every speed for the given days (null = that speed needs a 5G network). Use to explain the choice between networks and speeds.
Country in ANY language or its ISO code, e.g. "Japan", "Japon", "jp". Map a city to its country first. One country per Flat.
Days of mobile data (1–30).
Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language.
Optional ISO 4217 override for prices.
ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices.
The networks of one country (operator, 5G) and the Flats built from them — each Flat with the networks it includes and the price for every speed for the given days (null = that speed needs a 5G network). Use to explain the choice between networks and speeds.
| Argument | Type | Description |
|---|---|---|
| days | integer | Days of mobile data (1–30). |
| bucket | string | Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language. |
| currency | string | Optional ISO 4217 override for prices. |
| language | string | ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices. |
| destination* | string | Country in ANY language or its ISO code, e.g. "Japan", "Japon", "jp". Map a city to its country first. One country per Flat. |
{
"type": "object",
"required": [
"destination"
],
"properties": {
"days": {
"type": "integer",
"default": 7,
"maximum": 30,
"minimum": 1,
"description": "Days of mobile data (1–30)."
},
"bucket": {
"type": "string",
"description": "Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language."
},
"currency": {
"type": "string",
"description": "Optional ISO 4217 override for prices."
},
"language": {
"type": "string",
"description": "ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices."
},
"destination": {
"type": "string",
"description": "Country in ANY language or its ISO code, e.g. \"Japan\", \"Japon\", \"jp\". Map a city to its country first. One country per Flat."
}
}
}What roamflat is and how the Flat works, in the shop's own words: speeds, networks, when the days start, delivery, payment, refund policy, adding days, My Flat, e-mails, app, devices, support. Use for any question that is not a price.
| Argument | Type | Description |
|---|---|---|
| bucket | string | Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language. |
| language | string | ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices. |
{
"type": "object",
"properties": {
"bucket": {
"type": "string",
"description": "Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language."
},
"language": {
"type": "string",
"description": "ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices."
}
}
}Every country roamflat builds a Flat for, with the number of networks, whether 5G (and so 25/50 Mbps) is available, and the starting price per day (5 Mbps, cheapest network). Use to check coverage or compare countries.
| Argument | Type | Description |
|---|---|---|
| bucket | string | Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language. |
| currency | string | Optional ISO 4217 override for prices. |
| language | string | ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices. |
{
"type": "object",
"properties": {
"bucket": {
"type": "string",
"description": "Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language."
},
"currency": {
"type": "string",
"description": "Optional ISO 4217 override for prices."
},
"language": {
"type": "string",
"description": "ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices."
}
}
}A trip through several countries (max 5): one Flat per country, each quoted at the same speed and days unless given per country. Returns one line per country with price and buy_url, plus the total. Use when the customer names two or more countries and a speed (2–5 destinations); for one country call quote_flat; use recommend_config when they describe devices or usage instead.
| Argument | Type | Description |
|---|---|---|
| days | integer | Days of mobile data (1–30). |
| mbps | integer | Maximum speed in Mbps (5, 10, 25, 50; default 5). Data is unlimited at that speed. 25 Mbps and up need a 5G network. |
| bucket | string | Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language. |
| currency | string | Optional ISO 4217 override for prices. |
| language | string | ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices. |
| per_country | array | Optional overrides per country (days and/or mbps). |
| destinations* | array | Countries of the trip (2–5), any language or ISO codes, in travel order. |
Prices for several speed × days combinations of one Flat in one call (up to 8 day values; speeds default to all), e.g. to compare with other providers or to find the best fit. Same server prices as quote_flat.
| Argument | Type | Description |
|---|---|---|
| days* | array | Up to 8 day values, e.g. [3,7,14,30]. |
| flat | integer | Optional: which Flat of the country, as get_flats numbers them. Omit = the cheapest Flat that allows the speed. |
| mbps | array | Speeds to include (default all: 5, 10, 25, 50). |
| bucket | string | Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language. |
| currency | string | Optional ISO 4217 override for prices. |
| language | string | ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices. |
| networks | array | Optional: operator names from get_flats that must be included (the cheapest Flat holding all of them is used). Ignored when flat is given. |
| destination |
Use while the customer is still deciding — "how much is …?": the exact price of one configuration (country, speed, days and optionally which Flat / networks), the server price the customer would pay. Quote it as returned, never compute or scale it yourself. The result carries a buy_url for reference; when the customer says they want to buy, call start_checkout instead.
| Argument | Type | Description |
|---|---|---|
| days* | integer | Days of mobile data (1–30). |
| flat | integer | Optional: which Flat of the country, as get_flats numbers them. Omit = the cheapest Flat that allows the speed. |
| mbps | integer | Maximum speed in Mbps (5, 10, 25, 50; default 5). Data is unlimited at that speed. 25 Mbps and up need a 5G network. |
| bucket | string | Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language. |
| currency | string | Optional ISO 4217 override for prices. |
| language | string | ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices. |
| networks | array | Optional: operator names from get_flats that must be included (the cheapest Flat holding all of them is used). Ignored when flat is given. |
Use when the customer describes the trip instead of a speed: country (or up to 5), days and what will be connected (devices: phone, phone_laptop, small_group, family, creator_posting, creator_live, creator_hd_live, creator_pro). Picks the speed from the roamflat speed guide and returns it server-quoted together with the step below and the step above (where offered), each with price, networks, a one-line reason and its buy_url, plus trip totals and an optional budget check. A speed that needs 5G in a country without 5G falls back to the highest speed there and says so. Prices are the same as quote_flat. Give destination (one country) or destinations (several) — one of the two is required; a call without a country fails with invalid_argument.
| Argument | Type | Description |
|---|---|---|
| days* | integer | Days of mobile data (1–30). |
| flat | integer | Optional: which Flat of the country, as get_flats numbers them. Omit = the cheapest Flat that allows the speed. |
| bucket | string | Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language. |
| budget | number | Optional budget for the whole trip in the quoted currency; options above it are marked. |
| devices | string | phone = one phone (5 Mbps); phone_laptop = phone + laptop; small_group = a travel router for two or three devices; family = one travel router for the whole family; creator_posting = stories, reels, TikToks; creator_live = going live from the phone; creator_hd_live = Full HD live streams; creator_pro = multi-camera live and 4K uploads. Default phone. |
Use only once the customer has decided to buy ("I'll take it", "how do I buy?"): the checkout handoff. Returns the buy_url to give the customer, the final price and a ready-to-send checkout block (next_step, payment_methods, delivery) — on the page they press "Get your Flat" and pay securely. No account needed; the eSIM is delivered on screen and by email within seconds of payment. No in-chat order tracking, no discount codes. For prices while the customer is still comparing, use quote_flat.
| Argument | Type | Description |
|---|---|---|
| days* | integer | Days of mobile data (1–30). |
| flat | integer | Optional: which Flat of the country, as get_flats numbers them. Omit = the cheapest Flat that allows the speed. |
| mbps | integer | Maximum speed in Mbps (5, 10, 25, 50; default 5). Data is unlimited at that speed. 25 Mbps and up need a 5G network. |
| bucket | string | Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language. |
| currency | string | Optional ISO 4217 override for prices. |
| language | string | ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices. |
{
"type": "object",
"required": [
"destinations"
],
"properties": {
"days": {
"type": "integer",
"default": 7,
"maximum": 30,
"minimum": 1,
"description": "Days of mobile data (1–30)."
},
"mbps": {
"enum": [
5,
10,
25,
50
],
"type": "integer",
"description": "Maximum speed in Mbps (5, 10, 25, 50; default 5). Data is unlimited at that speed. 25 Mbps and up need a 5G network."
},
"bucket": {
"type": "string",
"description": "Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language."
},
"currency": {
"type": "string",
"description": "Optional ISO 4217 override for prices."
},
"language": {
"type": "string",
"description": "ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices."
},
"per_country": {
"type": "array",
"items": {
"type": "object",
"properties": {
"days": {
"type": "integer"
},
"mbps": {
"type": "integer"
},
"destination": {
"type": "string"
}
}
},
"description": "Optional overrides per country (days and/or mbps)."
},
"destinations": {
"type": "array",
"items": {
"type": "string"
},
"maxItems": 5,
"minItems": 2,
"description": "Countries of the trip (2–5), any language or ISO codes, in travel order."
}
}
}| string |
| Country in ANY language or its ISO code, e.g. "Japan", "Japon", "jp". Map a city to its country first. One country per Flat. |
{
"type": "object",
"required": [
"destination",
"days"
],
"properties": {
"days": {
"type": "array",
"items": {
"type": "integer",
"maximum": 30,
"minimum": 1
},
"maxItems": 8,
"minItems": 1,
"description": "Up to 8 day values, e.g. [3,7,14,30]."
},
"flat": {
"type": "integer",
"minimum": 1,
"description": "Optional: which Flat of the country, as get_flats numbers them. Omit = the cheapest Flat that allows the speed."
},
"mbps": {
"type": "array",
"items": {
"enum": [
5,
10,
25,
50
],
"type": "integer"
},
"maxItems": 4,
"description": "Speeds to include (default all: 5, 10, 25, 50)."
},
"bucket": {
"type": "string",
"description": "Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language."
},
"currency": {
"type": "string",
"description": "Optional ISO 4217 override for prices."
},
"language": {
"type": "string",
"description": "ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices."
},
"networks": {
"type": "array",
"items": {
"type": "string"
},
"description": "Optional: operator names from get_flats that must be included (the cheapest Flat holding all of them is used). Ignored when flat is given."
},
"destination": {
"type": "string",
"description": "Country in ANY language or its ISO code, e.g. \"Japan\", \"Japon\", \"jp\". Map a city to its country first. One country per Flat."
}
}
}| destination* | string | Country in ANY language or its ISO code, e.g. "Japan", "Japon", "jp". Map a city to its country first. One country per Flat. |
{
"type": "object",
"required": [
"destination",
"days"
],
"properties": {
"days": {
"type": "integer",
"maximum": 30,
"minimum": 1,
"description": "Days of mobile data (1–30)."
},
"flat": {
"type": "integer",
"minimum": 1,
"description": "Optional: which Flat of the country, as get_flats numbers them. Omit = the cheapest Flat that allows the speed."
},
"mbps": {
"enum": [
5,
10,
25,
50
],
"type": "integer",
"description": "Maximum speed in Mbps (5, 10, 25, 50; default 5). Data is unlimited at that speed. 25 Mbps and up need a 5G network."
},
"bucket": {
"type": "string",
"description": "Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language."
},
"currency": {
"type": "string",
"description": "Optional ISO 4217 override for prices."
},
"language": {
"type": "string",
"description": "ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices."
},
"networks": {
"type": "array",
"items": {
"type": "string"
},
"description": "Optional: operator names from get_flats that must be included (the cheapest Flat holding all of them is used). Ignored when flat is given."
},
"destination": {
"type": "string",
"description": "Country in ANY language or its ISO code, e.g. \"Japan\", \"Japon\", \"jp\". Map a city to its country first. One country per Flat."
}
}
}| currency | string | Optional ISO 4217 override for prices. |
| language | string | ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices. |
| networks | array | Optional: operator names from get_flats that must be included (the cheapest Flat holding all of them is used). Ignored when flat is given. |
| destination | string | Country in ANY language or its ISO code, e.g. "Japan", "Japon", "jp". Map a city to its country first. One country per Flat. Required unless destinations is given. |
| per_country | array | Optional days per country for a multi-country trip. |
| destinations | array | Several countries (max 5), any language or ISO codes. Use instead of destination for a multi-country trip. Required unless destination is given. |
{
"type": "object",
"required": [
"days"
],
"properties": {
"days": {
"type": "integer",
"maximum": 30,
"minimum": 1,
"description": "Days of mobile data (1–30)."
},
"flat": {
"type": "integer",
"minimum": 1,
"description": "Optional: which Flat of the country, as get_flats numbers them. Omit = the cheapest Flat that allows the speed."
},
"bucket": {
"type": "string",
"description": "Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language."
},
"budget": {
"type": "number",
"description": "Optional budget for the whole trip in the quoted currency; options above it are marked."
},
"devices": {
"enum": [
"phone",
"phone_laptop",
"small_group",
"family",
"creator_posting",
"creator_live",
"creator_hd_live",
"creator_pro"
],
"type": "string",
"description": "phone = one phone (5 Mbps); phone_laptop = phone + laptop; small_group = a travel router for two or three devices; family = one travel router for the whole family; creator_posting = stories, reels, TikToks; creator_live = going live from the phone; creator_hd_live = Full HD live streams; creator_pro = multi-camera live and 4K uploads. Default phone."
},
"currency": {
"type": "string",
"description": "Optional ISO 4217 override for prices."
},
"language": {
"type": "string",
"description": "ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices."
},
"networks": {
"type": "array",
"items": {
"type": "string"
},
"description": "Optional: operator names from get_flats that must be included (the cheapest Flat holding all of them is used). Ignored when flat is given."
},
"destination": {
"type": "string",
"description": "Country in ANY language or its ISO code, e.g. \"Japan\", \"Japon\", \"jp\". Map a city to its country first. One country per Flat. Required unless destinations is given."
},
"per_country": {
"type": "array",
"items": {
"type": "object",
"properties": {
"days": {
"type": "integer"
},
"destination": {
"type": "string"
}
}
},
"description": "Optional days per country for a multi-country trip."
},
"destinations": {
"type": "array",
"items": {
"type": "string"
},
"maxItems": 5,
"description": "Several countries (max 5), any language or ISO codes. Use instead of destination for a multi-country trip. Required unless destination is given."
}
}
}| networks |
| array |
| Optional: operator names from get_flats that must be included (the cheapest Flat holding all of them is used). Ignored when flat is given. |
| destination* | string | Country in ANY language or its ISO code, e.g. "Japan", "Japon", "jp". Map a city to its country first. One country per Flat. |
{
"type": "object",
"required": [
"destination",
"days"
],
"properties": {
"days": {
"type": "integer",
"maximum": 30,
"minimum": 1,
"description": "Days of mobile data (1–30)."
},
"flat": {
"type": "integer",
"minimum": 1,
"description": "Optional: which Flat of the country, as get_flats numbers them. Omit = the cheapest Flat that allows the speed."
},
"mbps": {
"enum": [
5,
10,
25,
50
],
"type": "integer",
"description": "Maximum speed in Mbps (5, 10, 25, 50; default 5). Data is unlimited at that speed. 25 Mbps and up need a 5G network."
},
"bucket": {
"type": "string",
"description": "Optional language-region bucket the customer shops in, e.g. en-gb, de-de (sets currency and link locale). Defaults from language."
},
"currency": {
"type": "string",
"description": "Optional ISO 4217 override for prices."
},
"language": {
"type": "string",
"description": "ISO language of the conversation, e.g. en, de, ja. Localizes country names and sets the language/currency of links and prices."
},
"networks": {
"type": "array",
"items": {
"type": "string"
},
"description": "Optional: operator names from get_flats that must be included (the cheapest Flat holding all of them is used). Ignored when flat is given."
},
"destination": {
"type": "string",
"description": "Country in ANY language or its ISO code, e.g. \"Japan\", \"Japon\", \"jp\". Map a city to its country first. One country per Flat."
}
}
}