diff --git a/Application.cfc b/Application.cfc
index d51ce2f..918b4fb 100644
--- a/Application.cfc
+++ b/Application.cfc
@@ -14,6 +14,10 @@
   
 	<cfset this.datasource = "baza"/><!--- default datasource name --->
 	<cfset getDS(this.datasource,"baza")/><!--- datasource name, environment variable prefix without "_" --->
+	
+	<!--- REST API --->
+	<cfset this.restEnabled = true/>
+	<cfset this.restSettings = {skipCFCWithError: true}/>
 		
     <!--- Define the page request properties. --->
     <cfsetting
diff --git a/api.cfm b/api.cfm
new file mode 100644
index 0000000..88fa938
--- /dev/null
+++ b/api.cfm
@@ -0,0 +1,70 @@
+<cfsetting showdebugoutput="no" enablecfoutputonly="yes">
+<cfheader name="Content-Type" value="application/json; charset=utf-8">
+
+<cfset result = {ok: false, error: "unknown action"}>
+<cfset action = url.keyExists("action") ? url.action : "">
+<cftry>
+    <cfif action EQ "test">
+        <cfquery name="q" datasource="baza">SELECT 1 as ok</cfquery>
+        <cfset result = {ok: true, message: "PostgreSQL connected"}>
+    
+    <cfelseif action EQ "tables">
+        <cfquery name="q" datasource="baza">
+            SELECT table_name FROM information_schema.tables 
+            WHERE table_schema = 'public' ORDER BY table_name
+        </cfquery>
+        <cfset var tables = []>
+        <cfloop query="q">
+            <cfset arrayAppend(tables, q.table_name)>
+        </cfloop>
+        <cfset result = {ok: true, tables: tables}>
+    
+    <cfelseif action EQ "schema">
+        <cfset var ddl = [
+            "CREATE TABLE IF NOT EXISTS documents (id UUID PRIMARY KEY DEFAULT gen_random_uuid(), filename TEXT NOT NULL, mime_type TEXT NOT NULL, original_bytes BYTEA, parsed_text TEXT, elements_json JSONB, status TEXT DEFAULT 'uploaded', error_message TEXT, created_at TIMESTAMPTZ DEFAULT now())",
+            "CREATE TABLE IF NOT EXISTS contracts (id UUID PRIMARY KEY DEFAULT gen_random_uuid(), number TEXT NOT NULL, client TEXT, date_signed DATE, status TEXT DEFAULT 'active', created_at TIMESTAMPTZ DEFAULT now())",
+            "CREATE TABLE IF NOT EXISTS supplements (id UUID PRIMARY KEY DEFAULT gen_random_uuid(), contract_id UUID REFERENCES contracts(id), number TEXT, date_signed DATE, type TEXT DEFAULT 'initial', document_id UUID REFERENCES documents(id), created_at TIMESTAMPTZ DEFAULT now())",
+            "CREATE TABLE IF NOT EXISTS spec_rows (id UUID PRIMARY KEY DEFAULT gen_random_uuid(), supplement_id UUID REFERENCES supplements(id), row_num INTEGER, name TEXT, price NUMERIC, qty NUMERIC, sum NUMERIC, date_start DATE, date_end DATE, created_at TIMESTAMPTZ DEFAULT now())",
+            "CREATE TABLE IF NOT EXISTS spec_history (id UUID PRIMARY KEY DEFAULT gen_random_uuid(), contract_id UUID REFERENCES contracts(id), supplement_id UUID REFERENCES supplements(id), row_num INTEGER, change_type TEXT NOT NULL, old_values JSONB, new_values JSONB, created_at TIMESTAMPTZ DEFAULT now())"
+        ]>
+        <cfset var results = []>
+        <cfloop array="#ddl#" index="sql">
+            <cftry>
+                <cfquery datasource="baza">#preserveSingleQuotes(sql)#</cfquery>
+                <cfset arrayAppend(results, "OK")>
+                <cfcatch><cfset arrayAppend(results, cfcatch.message)></cfcatch>
+            </cftry>
+        </cfloop>
+        <cfset result = {ok: true, results: results}>
+    
+    <cfelseif action EQ "query">
+        <cfif NOT url.keyExists("sql")>
+            <cfset result = {ok: false, error: "sql parameter required"}>
+        <cfelse>
+            <cfquery name="q" datasource="baza">#preserveSingleQuotes(url.sql)#</cfquery>
+            <cfset var cols = q.getColumnNames()>
+            <cfset var rows = []>
+            <cfloop query="q">
+                <cfset var row = {}>
+                <cfloop array="#cols#" index="c">
+                    <cfset row[c] = q[c][q.currentRow]>
+                </cfloop>
+                <cfset arrayAppend(rows, row)>
+            </cfloop>
+            <cfset result = {ok: true, columns: cols, rows: rows, count: q.recordCount}>
+        </cfif>
+    
+    <cfelseif action EQ "execute" AND cgi.request_method EQ "POST">
+        <cfset var body = deserializeJSON(toString(getHttpRequestData().content))>
+        <cfif NOT structKeyExists(body, "sql")>
+            <cfset result = {ok: false, error: "sql required"}>
+        <cfelse>
+            <cfquery name="q" datasource="baza">#preserveSingleQuotes(body.sql)#</cfquery>
+            <cfset result = {ok: true}>
+        </cfif>
+    </cfif>
+    
+    <cfcatch><cfset result = {ok: false, error: cfcatch.message}></cfcatch>
+</cftry>
+
+<cfoutput>#serializeJSON(result)#</cfoutput>