{
"status": "ok",
"version": "0.1.0",
"uptime_seconds": 1385968.8,
"timestamp": "2026-10-14T19:50:43.691246+00:00"
}
curl --location --request GET 'https://zylalabs.com/api/13834/latin+america+trading+calendar+api/31797/health' --header 'Authorization: Bearer YOUR_API_KEY'
{
"exchanges": [
{
"code": "B3",
"name": "B3 - Brasil Bolsa Balcão",
"country": "Brasil",
"timezone": "America/Sao_Paulo"
},
{
"code": "BMV",
"name": "Bolsa Mexicana de Valores",
"country": "México",
"timezone": "America/Mexico_City"
},
{
"code": "BYMA",
"name": "Bolsas y Mercados Argentinos",
"country": "Argentina",
"timezone": "America/Argentina/Buenos_Aires"
}
]
}
curl --location --request GET 'https://zylalabs.com/api/13834/latin+america+trading+calendar+api/31798/list+exchanges' --header 'Authorization: Bearer YOUR_API_KEY'
{
"exchange": "BYMA",
"date": "2026-01-15",
"is_trading_day": true,
"reason": null,
"data_available": true,
"data_quality": {
"confidence": "low",
"stale": false,
"source": "cross_checked"
}
}
curl --location --request GET 'https://zylalabs.com/api/13834/latin+america+trading+calendar+api/31799/is+trading+day?exchange=BYMA&date=2026-01-15' --header 'Authorization: Bearer YOUR_API_KEY'
{
"exchange": "BYMA",
"from_date": "2026-01-15",
"next_trading_day": "2026-01-16",
"data_available": true,
"data_quality": {
"confidence": "low",
"stale": false,
"source": "cross_checked"
}
}
curl --location --request GET 'https://zylalabs.com/api/13834/latin+america+trading+calendar+api/31800/next+trading+day?exchange=BYMA&date=2026-01-15' --header 'Authorization: Bearer YOUR_API_KEY'
{
"exchange": "BYMA",
"year": 2026,
"data_available": true,
"last_verified": "2026-09-17",
"source": "https://www.byma.com.ar/mercado/calendario-bursatil",
"holidays": [
{
"date": "2026-01-01",
"name": "Año Nuevo",
"type": "civil_holiday"
},
{
"date": "2026-02-16",
"name": "Carnaval",
"type": "civil_holiday"
},
{
"date": "2026-02-17",
"name": "Carnaval",
"type": "civil_holiday"
},
{
"date": "2026-03-23",
"name": "Día no laborable con fines turísticos",
"type": "bridge_day"
},
{
"date": "2026-03-24",
"name": "Día Nacional de la Memoria por la Verdad y la Justicia",
"type": "civil_holiday"
},
{
"date": "2026-04-02",
"name": "Día del Veterano y de los Caídos en la Guerra de Malvinas",
"type": "civil_holiday"
},
{
"date": "2026-04-03",
"name": "Viernes Santo",
"type": "civil_holiday"
},
{
"date": "2026-05-01",
"name": "Día del Trabajador",
"type": "civil_holiday"
},
{
"date": "2026-05-25",
"name": "Día de la Revolución de Mayo",
"type": "civil_holiday"
},
{
"date": "2026-06-15",
"name": "Paso a la Inmortalidad del General Martín Miguel de Güemes (trasladado)",
"type": "civil_holiday"
},
{
"date": "2026-07-09",
"name": "Día de la Independencia",
"type": "civil_holiday"
},
{
"date": "2026-07-10",
"name": "Día no laborable con fines turísticos",
"type": "bridge_day"
},
{
"date": "2026-08-17",
"name": "Paso a la Inmortalidad del General José de San Martín",
"type": "civil_holiday"
},
{
"date": "2026-10-12",
"name": "Día del Respeto a la Diversidad Cultural",
"type": "civil_holiday"
},
{
"date": "2026-11-06",
"name": "Día del Bancario",
"type": "bridge_day"
},
{
"date": "2026-11-23",
"name": "Día de la Soberanía Nacional (trasladado)",
"type": "civil_holiday"
},
{
"date": "2026-12-07",
"name": "Día no laborable con fines turísticos",
"type": "bridge_day"
},
{
"date": "2026-12-08",
"name": "Inmaculada Concepción de María",
"type": "civil_holiday"
},
{
"date": "2026-12-24",
"name": "Nochebuena",
"type": "bridge_day"
},
{
"date": "2026-12-25",
"name": "Navidad",
"type": "civil_holiday"
},
{
"date": "2026-12-31",
"name": "Sin rueda ni liquidación (cierre de año)",
"type": "market_closure"
}
],
"data_quality": {
"confidence": "low",
"stale": false,
"source": "cross_checked"
}
}
curl --location --request GET 'https://zylalabs.com/api/13834/latin+america+trading+calendar+api/31801/holidays?exchange=BYMA&year=2026' --header 'Authorization: Bearer YOUR_API_KEY'
{
"results": [
{
"id": "1",
"exchange": "BYMA",
"date": "2026-05-25",
"is_trading_day": false,
"reason": "Día de la Revolución de Mayo",
"data_available": true,
"data_quality": {
"confidence": "low",
"stale": false,
"source": "cross_checked"
},
"error": null
},
{
"id": "2",
"exchange": "B3",
"date": "2026-04-21",
"is_trading_day": false,
"reason": "Tiradentes",
"data_available": true,
"data_quality": {
"confidence": "high",
"stale": false,
"source": "cross_checked"
},
"error": null
},
{
"id": "3",
"exchange": "BMV",
"date": "2026-10-14",
"is_trading_day": true,
"reason": null,
"data_available": true,
"data_quality": {
"confidence": "high",
"stale": false,
"source": "cross_checked"
},
"error": null
}
]
}
curl --location --request POST 'https://zylalabs.com/api/13834/latin+america+trading+calendar+api/31802/is+batch+trading+day' --header 'Authorization: Bearer YOUR_API_KEY'
--data-raw '{
"items": [
{"id": "1", "exchange": "BYMA", "date": "2026-05-25"},
{"id": "2", "exchange": "B3", "date": "2026-04-21"},
{"id": "3", "exchange": "BMV", "date": "2026-10-14"}
]
}'
{
"exchange": "BYMA",
"from_date": "2026-01-07",
"days": 5,
"result_date": "2026-01-14",
"data_quality": [
{
"year": 2026,
"data_available": true,
"confidence": "low",
"stale": false,
"source": "cross_checked"
}
]
}
curl --location --request GET 'https://zylalabs.com/api/13834/latin+america+trading+calendar+api/31803/add+business+days?exchange=BYMA&date=2026-01-07&days=5' --header 'Authorization: Bearer YOUR_API_KEY'
{
"exchange": "BYMA",
"from_date": "2026-01-01",
"to_date": "2026-01-31",
"business_days": 21,
"data_quality": [
{
"year": 2026,
"data_available": true,
"confidence": "low",
"stale": false,
"source": "cross_checked"
}
]
}
curl --location --request GET 'https://zylalabs.com/api/13834/latin+america+trading+calendar+api/31804/business+days+between?exchange=BYMA&from=2026-01-01&to=2026-01-31' --header 'Authorization: Bearer YOUR_API_KEY'
After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Latin America Trading Calendar API simply include your bearer token in the Authorization header.
| Header | Description |
|---|---|
Authorization
|
Required
Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.
|
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
Indicates if a date is a trading day for LatAm markets (BYMA, B3, BMV); returns the next trading day, lists annual holidays, and calculates business days between dates
Each endpoint returns specific data related to trading days, holidays, and business days for Latin American stock exchanges. For example, the "Is Trading Day" endpoint indicates whether a given date is a trading day, while the "Holidays" endpoint lists the holidays for a specific exchange and year.
Key fields include "exchange" (exchange code), "date" (specific date), "is_trading_day" (boolean), "next_trading_day" (next trading date), and "holidays" (list of holiday dates). These fields help users understand trading schedules and holiday impacts.
Parameters vary by endpoint. For "Is Trading Day," you need "exchange" and "date." The "Add Business Days" endpoint requires "from_date" and "days." Users can customize requests by specifying the exchange and relevant dates.
The data is sourced from official stock exchanges in Latin America, including BYMA, B3, and BMV. The API maintains data accuracy by regularly updating information based on exchange announcements and verified calendars.
Typical use cases include financial applications that require trading day validation, holiday scheduling for trading strategies, and calculating business days for settlement processes. This data is essential for traders and financial analysts.
If results are partial or empty, users should check the "data_available" field. If false, it indicates that data may not be current or verified. Users can implement fallback logic to handle such cases, like retrying requests or using cached data.
BYMA (Argentina), B3 (Brazil) and BMV (Mexico). Calendar year 2026 is available now; each following year is added once the exchange publishes its official calendar.
Each calendar is cross-checked against an independent secondary source. Every response includes a `data_quality` block (`verification_method`, `confidence`, `last_verified`, `stale`) so you can see how reliable the data is.
`high`: primary and secondary sources agree. `medium`: minor, explained differences, such as half-day closures that civil calendars don’t list. `low`: a known gap in the official source, flagged in the response.
Use `/v1/business-days-between` (both endpoints inclusive) or `/v1/add-business-days` (accepts negative values). To check many dates at once, use the batch endpoint (up to 1,000 per request).
To obtain your API key, first sign in to your account and navigate to the API you want to use. From the API's Pricing section, choose a plan and complete the subscription process. Once subscribed, return to the API page and you will see your API Access Key displayed at the top of the documentation page. You can use this key to authenticate your requests.
You can’t switch APIs during the free trial. If you subscribe to a different API, your trial will end and the new subscription will start as a paid plan.
The free trial lasts for 7 days and allows you to make up to 50 API requests.
No, the free trial is available only once, so we recommend using it on the API that interests you the most. Most of our APIs offer a free trial, but some may not include this option.
Yes. If the API offers a free trial, you will see a "Free 7-Day Trial" option in its Pricing section. The trial lasts for 7 days and allows up to 50 API requests, enabling you to evaluate the API before subscribing to a paid plan.
Zyla API Hub is like a big store for APIs, where you can find thousands of them all in one place. We also offer dedicated support and real-time monitoring of all APIs. Once you sign up, you can pick and choose which APIs you want to use. Just remember, each API needs its own subscription. But if you subscribe to multiple ones, you'll use the same key for all of them, making things easier for you.
You can monitor your API usage through the response headers included with every request:
x-zyla-api-calls-monthly-used: Shows the total number of API requests you have used during the current billing period.
x-zyla-api-calls-monthly-remaining: Shows the number of API requests you have remaining for the current billing period.
Yes, you can cancel your subscription at any time. Simply go to the Pricing section of the API you're subscribed to and click the "Unsubscribe" button.
Please note that upgrades, downgrades, and cancellations take effect immediately. Once your subscription is canceled, access to the service will end immediately, regardless of any remaining API calls in your quota.
Please have a look at our Refund Policy: https://zylalabs.com/terms#refund