# Mongolia Statistics API > Official Mongolian inflation statistics straight from the National Statistics Office of Mongolia (NSO) via its 1212.mn PxWeb open-data service — no key, read live. The cpi endpoint returns the headline national Consumer Price Index (Overall index, base 2023=100) for the latest month with the index level plus month-on-month and year-on-year inflation, computed from the official series. The cpi/series endpoint returns the historical monthly CPI index and year-on-year rate over the last N months, ready to chart. The cpi/groups endpoint breaks the latest CPI down across all thirteen COICOP groups (food, housing, transport and so on) with index and annual change for each. The cpi/annual endpoint gives the annual-average CPI and average inflation for every year on record. The meta endpoint documents the source. Live data from Mongolia NSO PxWeb, lightly cached. Live. 5 endpoints. This serves Mongolian national price statistics; for the tugrik exchange rate use an FX / central-bank API. ## Authentication All requests require your oanor API key in the `x-oanor-key` header. Get one at https://www.oanor.com/developer/keys. ```bash curl -H "x-oanor-key: oanor_live_…" "https://api.oanor.com/mongolia-stats-api/..." ``` ## Pricing - **Free** (Free) — 250 calls/Mo, 2 req/s - **Basic** ($11/Mo) — 18,100 calls/Mo, 6 req/s - **Pro** ($29/Mo) — 94,500 calls/Mo, 22 req/s - **Mega** ($65/Mo) — 427,000 calls/Mo, 55 req/s ## Endpoints ### Inflation #### `GET /v1/cpi` — Mongolia CPI (latest month): index, MoM and YoY **Example:** ```bash curl -H "x-oanor-key: $KEY" \ "https://api.oanor.com/mongolia-stats-api/v1/cpi" ``` **Response:** ```json { "data": { "base": "2023 = 100", "index": 127.1, "period": "2026-05", "source": "National Statistics Office of Mongolia (1212.mn, table DT_NSO_0600_001V3)", "country": "Mongolia", "indicator": "Consumer Price Index (Overall index)", "change_mom_pct": 1.19, "change_yoy_pct": 11.1 }, "meta": { "timestamp": "2026-06-15T20:40:32.384Z", "request_id": "9176ce9f-8695-488a-92ad-66f93a605e4c" }, "status": "ok", "message": "Mongolia CPI retrieved", "success": true } ``` #### `GET /v1/cpi/annual` — Annual-average CPI + inflation per year **Example:** ```bash curl -H "x-oanor-key: $KEY" \ "https://api.oanor.com/mongolia-stats-api/v1/cpi/annual" ``` **Response:** ```json { "data": { "base": "2023 = 100", "count": 17, "years": [ { "year": "2010", "months": 12, "average_index": 35.52 }, { "year": "2011", "months": 12, "average_index": 38.63, "annual_avg_change_pct": 8.76 }, { "year": "2012", "months": 12, "average_index": 43.98, "annual_avg_change_pct": 13.85 }, { "year": "2013", "months": 12, "average_index": 48.65, "annual_avg_change_pct": 10.62 }, { "year": "2014", "months": 12, "average_index": 54.94, "annual_avg_change_pct": 12.93 }, { "year": "2015", "months": 12, "average_index": 58.67, "annual_avg_change_pct": 6.79 }, { "year": "2016", "months": 12, "average_index": 59.13, "annual_avg_change_pct": 0.78 }, { "year": "2017", "months": 12, "average_index": 61.66, "annual_avg_change_pct": 4.28 }, { "year": "201 …(truncated, see openapi.json for full schema) ``` #### `GET /v1/cpi/groups` — Latest CPI across all 13 COICOP groups **Example:** ```bash curl -H "x-oanor-key: $KEY" \ "https://api.oanor.com/mongolia-stats-api/v1/cpi/groups" ``` **Response:** ```json { "data": { "base": "2023 = 100", "count": 13, "groups": [ { "group": "1", "index": 144.9, "label": "Food and non-alcoholic beverages", "change_yoy_pct": 23.32 }, { "group": "2", "index": 119.4, "label": "Alcoholic beverages, tobacco", "change_yoy_pct": 11.48 }, { "group": "3", "index": 122.4, "label": "Clothing, footwear and cloth", "change_yoy_pct": 6.81 }, { "group": "4", "index": 128.6, "label": "Housing, water, electricity and fuels", "change_yoy_pct": 1.66 }, { "group": "5", "index": 120.1, "label": "Furnishings, household equipment", "change_yoy_pct": 7.91 }, { "group": "6", "index": 116.3, "label": "Health", "change_yoy_pct": 7.09 }, { "group": "7", "index": 108.5, "label": "Transport", "change_yoy_pct": 5.75 }, { "group": "8", "index": 103.1, "label": "Communication", …(truncated, see openapi.json for full schema) ``` #### `GET /v1/cpi/series` — Historical CPI index + YoY series **Parameters:** - `months` (query, optional, string) — Number of recent months (default 24, max 120) Example: `24` **Example:** ```bash curl -H "x-oanor-key: $KEY" \ "https://api.oanor.com/mongolia-stats-api/v1/cpi/series?months=24" ``` **Response:** ```json { "data": { "base": "2023 = 100", "count": 24, "series": [ { "index": 105.9, "period": "2024-06", "change_yoy_pct": 4.54 }, { "index": 106, "period": "2024-07", "change_yoy_pct": 5.05 }, { "index": 107, "period": "2024-08", "change_yoy_pct": 6.15 }, { "index": 107, "period": "2024-09", "change_yoy_pct": 6.36 }, { "index": 107.5, "period": "2024-10", "change_yoy_pct": 6.54 }, { "index": 109.2, "period": "2024-11", "change_yoy_pct": 7.37 }, { "index": 110.5, "period": "2024-12", "change_yoy_pct": 8.33 }, { "index": 111.8, "period": "2025-01", "change_yoy_pct": 8.75 }, { "index": 113.4, "period": "2025-02", "change_yoy_pct": 9.57 }, { "index": 113.8, "period": "2025-03", "change_yoy_pct": 9.11 }, { "index": 114.1, …(truncated, see openapi.json for full schema) ``` ### Meta #### `GET /v1/meta` — API metadata **Example:** ```bash curl -H "x-oanor-key: $KEY" \ "https://api.oanor.com/mongolia-stats-api/v1/meta" ``` **Response:** ```json { "data": { "api": "Statistics Mongolia (NSO) API", "notes": "Live data from Mongolia NSO PxWeb (json-stat2); year-on-year and month-on-month computed from the index series.", "source": "National Statistics Office of Mongolia — 1212.mn PxWeb API (data.1212.mn)", "country": "Mongolia", "endpoints": [ "/v1/cpi", "/v1/cpi/series", "/v1/cpi/groups", "/v1/cpi/annual", "/v1/meta" ], "documentation": "https://mongolia-stats-api.oanor.dev", "primary_indicator": "National base Consumer Price Index (table DT_NSO_0600_001V3, base 2023=100, Overall + 13 COICOP groups)" }, "meta": { "timestamp": "2026-06-15T20:40:32.734Z", "request_id": "faa218e7-747b-4165-8ae9-8b8e7e1c3848" }, "status": "ok", "message": "Meta", "success": true } ``` --- Marketplace page: https://www.oanor.com/api/mongolia-stats-api OpenAPI spec: https://www.oanor.com/api/mongolia-stats-api/openapi.json