Da Nang's public data: open, transparent, community-driven
National data integration
Directly connected to the national open data portals
Da Nang Data Exchange Open Data connects directly to official data sources — avoiding fragmentation and keeping data synchronized from the origin, following the national data architecture standard.
data.gov.vn
Vietnam National Open Data Portal · central level
The National Open Data Portal, run by the Ministry of Information and Communications, gathers official open data from ministries, agencies and 63 provinces. The Da Nang Data Exchange directly syncs macro-economic indicators and central-region cross-regional data.
- Synchronized datasets
- 1,800+ datasets
- Sync frequency
- Daily (02:00)
API status: operational
Visit data.gov.vn(opens in a new tab)DanangData
Da Nang City open data system · local level
A deep local repository run by the Da Nang Department of Information and Communications — with detailed zoning coordinates, traffic density, environmental quality, tourism and public services of the city.
- Synchronized datasets
- 320+ in-depth datasets
- Sync frequency
- Real-time (Kafka & Webhook)
API status: operational
Visit DanangData(opens in a new tab)Integration Mesh Gateway
Connection status across Da Nang Data Exchange ↔ data.gov.vn ↔ DanangData
- Gateway latency
- 24 ms
- SLA availability
- 99.98%
- Kafka pipeline
- Healthy
- Records synced in 24h
- 1,420,000+
Illustrative metrics
API access · developer tools
Integrate open data into your application
A free API key for research and non-commercial use. Connect directly to every dataset on the Da Nang Data Exchange Open Data portal through a standard REST API.
Step 1
Register a free account
Create a Da Nang Data Exchange account with just a student, researcher or personal email address — no business registration is required.
Takes about 30 seconds
Step 2
Confirm your intended use
Choose one valid non-commercial purpose: scientific research, education and study, or non-profit community application development.
Compliance: Creative Commons
Step 3
Receive your API key
The API key is sent by email with a quota of 5,000 requests/day, ready to query.
Quota: 5,000 requests/day
Da Nang Data Exchange Open Data REST API v1 — Quickstart
Request endpoint & auth
curl -X GET \ "https://api.dadep.vn/open-data/v1/datasets?category=transport&format=csv&limit=10" \ -H "Authorization: Bearer YOUR_FREE_API_KEY" \ -H "Accept: application/json"Response payload (200 OK)
Standard JSON schema
{ "status": "success", "total": 1, "data": [ { "id": "dadep-traffic-dn-2026", "name": "Dữ liệu lưu lượng giao thông Đà Nẵng", "format": "CSV", "license": "CC-BY", "provider": "Sở GTVT Đà Nẵng / DanangData", "download_url": "https://api.dadep.vn/open-data/v1/download/traffic-2026.csv" } ]}Base URL: https://api.dadep.vn/open-data/v1/Rate limit: 5,000 req/day
Free research account
For researchers, lecturers & students
Unlimited access to all public open datasets for scientific papers, theses, AI hackathons and non-profit community projects.
- Rate limit: 5,000 requests / day
- Download bandwidth: 50 GB / month
- Purpose: research, education, open-source applications
Commercial enterprise account
For commercial products & enterprises
If you need exclusive commercial data, a 99.99% SLA, a dedicated line, or direct integration into a revenue-generating B2B product, move to the Da Nang Data Exchange Marketplace.
- Rate limit: unlimited (dedicated pipe)
- Electronic commercial contract & VAT invoice
- Liability insurance & Law 60/2024 compliance
Licenses & terms
Open data doesn't mean no rules
Every dataset is classified under an international Creative Commons license. Please read the terms carefully before commercial use to protect intellectual property and data ethics.
CC0 Public Domain
CC0 — completely free
For maximally open public-interest data. Users may freely copy, modify, distribute and use it for any purpose, without any restriction.
- Allowed
- Any use, including AI training, publishing research and commercial applications.
- Not allowed
- No copyright restrictions apply.
Standard: Creative Commons 1.0 Universal
BY · Attribution
CC-BY — attribution
Free use is allowed, but you must credit the providing agency or the Da Nang Data Exchange Open Data in publications, applications or technical documents.
- Allowed
- Copy, distribute, extract and commercialize as long as the Da Nang Data Exchange / the provider is clearly credited.
- Not allowed
- Use without clear attribution, or removing the original data label.
Standard: Creative Commons 4.0 International
SA · Share-alike
CC-BY-SA — share-alike
Allows modifying, transforming and building derivative works from the original data, provided the new product is distributed under the same open license.
- Allowed
- Research, training and creating derivative datasets if shared under the same terms.
- Not allowed
- Closing the source of derivative products or turning them into closed proprietary data assets.
Standard: Creative Commons 4.0 ShareAlike
Operating rules guide
Non-commercial (Open Data) vs. commercial (Marketplace)
Read the full legal rules ↗| Criterion | Open Data Portal | Data Marketplace |
|---|---|---|
| Intended use | Scientific research, education, non-profit R&D | Commercial production, B2B services, integration into commercial solutions |
| License fee | Completely free (0 VND) | Per list price or competitive auction |
| Registration | Direct download without sign-in / free API key | Corporate registration, KYC/KYB under Law 60/2024 |
| Service level (SLA) | Best-effort (no compensation obligation) | 99.9% SLA with contractual penalties |
| Suggested action | Download now ↓ | Go to the Marketplace → |
Community contribution · community dataset
Have data to share with the community?
Organizations, universities, research institutes and individuals can propose publishing data on the Da Nang Data Exchange Open Data portal. Data is technically reviewed and its information protected before wide release.
- 01
No PII
The data contains no personally identifiable information, or has been strictly anonymized under Decree 91/2025/ND-CP (PDPA).
- 02
Lawful & non-confidential
Not a state secret, a national-security matter or a third party's proprietary trade secret.
- 03
Accepts an open license
The contributing organization or individual agrees to apply a Creative Commons license (CC0 or CC-BY) so the community can use it freely.
- 04
Review time
3 – 5 working days after the file is submitted, reviewed by the Da Nang Data Exchange administration.