diff --git a/analyzer.go b/analyzer.go
new file mode 100644
index 0000000..d25d07a
--- /dev/null
+++ b/analyzer.go
@@ -0,0 +1,42 @@
+package oaichecker
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+
+	"github.com/go-openapi/analysis"
+)
+
+type Analyzer struct {
+	analyzer *analysis.Spec
+}
+
+func NewAnalyzer(specs *Specs) *Analyzer {
+	if specs == nil {
+		return &Analyzer{}
+	}
+
+	return &Analyzer{
+		analyzer: analysis.New(specs.document.OrigSpec()),
+	}
+}
+
+func (t *Analyzer) Analyze(req *http.Request) error {
+	if t.analyzer == nil {
+		return errors.New("no specs defined")
+	}
+
+	if req == nil {
+		return errors.New("no request defined")
+	}
+
+	operation, ok := t.analyzer.OperationFor(req.Method, req.URL.Path)
+	if !ok {
+		return errors.New("operation not defined inside the specs")
+	}
+
+	fmt.Printf("operation: %#v\n", operation)
+
+	return nil
+}
diff --git a/analyzer_test.go b/analyzer_test.go
new file mode 100644
index 0000000..b9851ad
--- /dev/null
+++ b/analyzer_test.go
@@ -0,0 +1,42 @@
+package oaichecker
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func Test_Analyzer_Analyze_with_no_specs(t *testing.T) {
+	analyzer := NewAnalyzer(nil)
+
+	err := analyzer.Analyze(nil)
+
+	assert.EqualError(t, err, "no specs defined")
+}
+
+func Test_Analyzer_Analyze_with_no_request(t *testing.T) {
+	specs, err := NewSpecsFromFile("./dataset/petstore_minimal.json")
+	require.NoError(t, err)
+
+	analyzer := NewAnalyzer(specs)
+
+	err = analyzer.Analyze(nil)
+
+	assert.EqualError(t, err, "no request defined")
+}
+
+func Test_Analyzer_Analyze_with_request_not_in_specs(t *testing.T) {
+	specs, err := NewSpecsFromFile("./dataset/petstore_minimal.json")
+	require.NoError(t, err)
+
+	analyzer := NewAnalyzer(specs)
+
+	req, err := http.NewRequest("GET", "invalid/path", nil)
+	require.NoError(t, err)
+
+	err = analyzer.Analyze(req)
+
+	assert.EqualError(t, err, "operation not defined inside the specs")
+}