diff --git a/checker/interactive.go b/checker/interactive.go
new file mode 100644
index 0000000..784db24
--- /dev/null
+++ b/checker/interactive.go
@@ -0,0 +1,109 @@
+// This file is part of the happyDomain (R) project.
+// Copyright (c) 2020-2026 happyDomain
+// Authors: Pierre-Olivier Mercier, et al.
+//
+// This program is offered under a commercial and under the AGPL license.
+// For commercial licensing, contact us at <contact@happydomain.org>.
+//
+// For AGPL licensing:
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package checker
+
+import (
+	"errors"
+	"net/http"
+	"strconv"
+	"strings"
+
+	sdk "git.happydns.org/checker-sdk-go/checker"
+)
+
+// RenderForm implements sdk.CheckerInteractive. It exposes a minimal form
+// letting a human submit one or more ping targets (hostnames or IPs) along
+// with the usual threshold knobs.
+func (p *pingProvider) RenderForm() []sdk.CheckerOptionField {
+	return []sdk.CheckerOptionField{
+		{
+			Id:          "addresses",
+			Type:        "string",
+			Label:       "Targets",
+			Placeholder: "example.com, 192.0.2.1",
+			Description: "Comma- or newline-separated list of hostnames or IP addresses.",
+			Required:    true,
+		},
+		{
+			Id:      "count",
+			Type:    "uint",
+			Label:   "Number of pings to send",
+			Default: float64(5),
+		},
+		{
+			Id:      "warningRTT",
+			Type:    "number",
+			Label:   "Warning RTT threshold (ms)",
+			Default: float64(100),
+		},
+		{
+			Id:      "criticalRTT",
+			Type:    "number",
+			Label:   "Critical RTT threshold (ms)",
+			Default: float64(500),
+		},
+		{
+			Id:      "warningPacketLoss",
+			Type:    "number",
+			Label:   "Warning packet loss threshold (%)",
+			Default: float64(10),
+		},
+		{
+			Id:      "criticalPacketLoss",
+			Type:    "number",
+			Label:   "Critical packet loss threshold (%)",
+			Default: float64(50),
+		},
+	}
+}
+
+// ParseForm implements sdk.CheckerInteractive. It converts the HTML form
+// inputs into a CheckerOptions that Collect can consume directly — pinging
+// resolves hostnames on its own, so no extra lookups are needed here.
+func (p *pingProvider) ParseForm(r *http.Request) (sdk.CheckerOptions, error) {
+	raw := strings.TrimSpace(r.FormValue("addresses"))
+	if raw == "" {
+		return nil, errors.New("at least one target is required")
+	}
+
+	var addresses []string
+	for _, part := range strings.FieldsFunc(raw, func(c rune) bool {
+		return c == ',' || c == '\n' || c == '\r' || c == ' ' || c == '\t' || c == ';'
+	}) {
+		if part = strings.TrimSpace(part); part != "" {
+			addresses = append(addresses, part)
+		}
+	}
+	if len(addresses) == 0 {
+		return nil, errors.New("at least one target is required")
+	}
+
+	opts := sdk.CheckerOptions{"addresses": addresses}
+	for _, k := range []string{"count", "warningRTT", "criticalRTT", "warningPacketLoss", "criticalPacketLoss"} {
+		if v := strings.TrimSpace(r.FormValue(k)); v != "" {
+			if n, err := strconv.ParseFloat(v, 64); err == nil {
+				opts[k] = n
+			}
+		}
+	}
+	return opts, nil
+}