Korea Bid Price Formula (입찰가격산식 A값) — Fixed Statutory Costs
Pricing
from $5.00 / 1,000 a-value records
Korea Bid Price Formula (입찰가격산식 A값) — Fixed Statutory Costs
The A-value behind Korean construction and services tenders: pension, health insurance, retirement fund, safety and quality costs that bidders cannot discount, with the total computed. From the Public Procurement Service (조달청). No Korean API key needed.
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from $5.00 / 1,000 a-value records
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Korean construction and services tenders separate the bid into two parts:
The A-value is the sum of statutory costs — national pension, health insurance, long-term care insurance, retirement fund, safety management, safety inspection and quality management. Bidders may not shave these. They are carried through the award-threshold calculation untouched.
Which means: without the A-value you cannot tell how much of a tender is actually open to competition. A ₩5bn job with a ₩1.8bn A-value is a ₩3.2bn contest.
Korea publishes roughly 240 A-value records a day. The upstream API returns the components in Korean field names and never gives you the total — this Actor translates the schema and computes it.
What you get
| Field | Notes |
|---|---|
a_value_total_krw | Computed here — sum of the seven statutory components |
a_value_components | How many components were present (normally 7) |
national_pension_krw | 국민연금보험료 |
health_insurance_krw | 국민건강보험료 |
long_term_care_insurance_krw | 노인장기요양보험료 |
retirement_fund_krw | 퇴직공제부금비 |
safety_management_cost_krw | 안전관리비 |
safety_inspection_cost_krw | 안전점검비 |
quality_management_cost_krw | 품질관리비 |
quality_cost_in_a_value | Whether quality cost counts toward the A-value |
minor_business_amount_krw / minor_business_applies | 소기업 배려 금액, kept separate from the total |
price_decision_method_ko | e.g. 복수예가 |
a_value_published_at, posted_at, notice_no, url | Timing and link back |
The total deliberately excludes minor_business_amount_krw — it is a different kind
of adjustment and does not belong in the statutory sum.
Input
| Field | Type | Notes |
|---|---|---|
startDate / endDate | date | YYYY-MM-DD, Korea time. Defaults to last 7 days |
minAValueKrw | integer | Skip tenders below this total — useful for filtering to large works |
keywords | array | Match notice number or price-decision method. Usually left empty |
maxItems | integer | Stop after N records. 0 = no limit |
There is no category filter — the upstream API serves all business types from a single endpoint.
Who this is for
- Construction and services bidders working out the competitive portion of a tender before pricing it
- Estimators benchmarking statutory cost ratios across comparable works
- Bid-support tools that need the A-value to compute award thresholds correctly
- AI agents reasoning about Korean bid economics
Join on notice_no with Korea Public Tenders (나라장터) for the notice,
Korea Tender Base Prices (기초금액) for the anchor, and
Korea Tender Award Results (낙찰정보) for the outcome.
Notes
Source. 조달청 나라장터 입찰공고정보서비스,
published on Korea's national open-data portal under an unrestricted licence
(이용허락범위 제한 없음). Every record carries a source field and a url back to
the original notice.
This is an API client, not a scraper. Data comes from the government's own REST API with a registered key, so nothing breaks when g2b.go.kr is redesigned.
No personal data. Contact details are stripped from free-text fields and are never emitted.
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