diff --git a/nip86/methods.go b/nip86/methods.go
new file mode 100644
index 0000000..6942e25
--- /dev/null
+++ b/nip86/methods.go
@@ -0,0 +1,271 @@
+package nip86
+
+import (
+	"fmt"
+	"math"
+	"net"
+
+	"github.com/nbd-wtf/go-nostr"
+)
+
+func DecodeRequest(req Request) (MethodParams, error) {
+	switch req.Method {
+	case "supportedmethods":
+		return SupportedMethods{}, nil
+	case "banpubkey":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		pk, ok := req.Params[0].(string)
+		if !ok || !nostr.IsValidPublicKey(pk) {
+			return nil, fmt.Errorf("invalid pubkey param for '%s'", req.Method)
+		}
+		var reason string
+		if len(req.Params) >= 2 {
+			reason, _ = req.Params[1].(string)
+		}
+		return BanPubKey{pk, reason}, nil
+	case "listbannedpubkeys":
+		return ListBannedPubKeys{}, nil
+	case "allowpubkey":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		pk, ok := req.Params[0].(string)
+		if !ok || !nostr.IsValidPublicKey(pk) {
+			return nil, fmt.Errorf("invalid pubkey param for '%s'", req.Method)
+		}
+		var reason string
+		if len(req.Params) >= 2 {
+			reason, _ = req.Params[1].(string)
+		}
+		return AllowPubKey{pk, reason}, nil
+	case "listallowedpubkeys":
+		return ListBannedPubKeys{}, nil
+	case "listeventsneedingmoderation":
+		return ListEventsNeedingModeration{}, nil
+	case "allowevent":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		id, ok := req.Params[0].(string)
+		if !ok || !nostr.IsValid32ByteHex(id) {
+			return nil, fmt.Errorf("invalid id param for '%s'", req.Method)
+		}
+		var reason string
+		if len(req.Params) >= 2 {
+			reason, _ = req.Params[1].(string)
+		}
+		return AllowEvent{id, reason}, nil
+	case "banevent":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		id, ok := req.Params[0].(string)
+		if !ok || !nostr.IsValid32ByteHex(id) {
+			return nil, fmt.Errorf("invalid id param for '%s'", req.Method)
+		}
+		var reason string
+		if len(req.Params) >= 2 {
+			reason, _ = req.Params[1].(string)
+		}
+		return BanEvent{id, reason}, nil
+	case "listbannedevents":
+		return ListBannedEvents{}, nil
+	case "changerelayname":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		name, _ := req.Params[0].(string)
+		return ChangeRelayName{name}, nil
+	case "changerelaydescription":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		desc, _ := req.Params[0].(string)
+		return ChangeRelayDescription{desc}, nil
+	case "changerelayicon":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		url, _ := req.Params[0].(string)
+		return ChangeRelayIcon{url}, nil
+	case "allowkind":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		kind, ok := req.Params[0].(float64)
+		if !ok || math.Trunc(kind) != kind {
+			return nil, fmt.Errorf("invalid kind '%v' for '%s'", req.Params[0], req.Method)
+		}
+		return AllowKind{int(kind)}, nil
+	case "disallowkind":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		kind, ok := req.Params[0].(float64)
+		if !ok || math.Trunc(kind) != kind {
+			return nil, fmt.Errorf("invalid kind '%v' for '%s'", req.Params[0], req.Method)
+		}
+		return DisallowKind{int(kind)}, nil
+	case "listallowedkinds":
+		return ListAllowedKinds{}, nil
+	case "blockip":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		ipstr, _ := req.Params[0].(string)
+		ip := net.ParseIP(ipstr)
+		if ip == nil {
+			return nil, fmt.Errorf("invalid ip param for '%s'", req.Method)
+		}
+		var reason string
+		if len(req.Params) >= 2 {
+			reason, _ = req.Params[1].(string)
+		}
+		return BlockIP{ip, reason}, nil
+	case "unblockip":
+		if len(req.Params) == 0 {
+			return nil, fmt.Errorf("invalid number of params for '%s'", req.Method)
+		}
+		ipstr, _ := req.Params[0].(string)
+		ip := net.ParseIP(ipstr)
+		if ip == nil {
+			return nil, fmt.Errorf("invalid ip param for '%s'", req.Method)
+		}
+		var reason string
+		if len(req.Params) >= 2 {
+			reason, _ = req.Params[1].(string)
+		}
+		return UnblockIP{ip, reason}, nil
+	case "listblockedips":
+		return ListBlockedIPs{}, nil
+	default:
+		return nil, fmt.Errorf("unknown method '%s'", req.Method)
+	}
+}
+
+type MethodParams interface {
+	MethodName() string
+}
+
+var (
+	_ MethodParams = (*SupportedMethods)(nil)
+	_ MethodParams = (*BanPubKey)(nil)
+	_ MethodParams = (*ListBannedPubKeys)(nil)
+	_ MethodParams = (*AllowPubKey)(nil)
+	_ MethodParams = (*ListAllowedPubKeys)(nil)
+	_ MethodParams = (*ListEventsNeedingModeration)(nil)
+	_ MethodParams = (*AllowEvent)(nil)
+	_ MethodParams = (*BanEvent)(nil)
+	_ MethodParams = (*ListBannedEvents)(nil)
+	_ MethodParams = (*ChangeRelayName)(nil)
+	_ MethodParams = (*ChangeRelayDescription)(nil)
+	_ MethodParams = (*ChangeRelayIcon)(nil)
+	_ MethodParams = (*AllowKind)(nil)
+	_ MethodParams = (*DisallowKind)(nil)
+	_ MethodParams = (*ListAllowedKinds)(nil)
+	_ MethodParams = (*BlockIP)(nil)
+	_ MethodParams = (*UnblockIP)(nil)
+	_ MethodParams = (*ListBlockedIPs)(nil)
+)
+
+type SupportedMethods struct{}
+
+func (_ SupportedMethods) MethodName() string { return "supportedmethods" }
+
+type BanPubKey struct {
+	PubKey string
+	Reason string
+}
+
+func (_ BanPubKey) MethodName() string { return "banpubkey" }
+
+type ListBannedPubKeys struct{}
+
+func (_ ListBannedPubKeys) MethodName() string { return "listbannedpubkeys" }
+
+type AllowPubKey struct {
+	PubKey string
+	Reason string
+}
+
+func (_ AllowPubKey) MethodName() string { return "allowpubkey" }
+
+type ListAllowedPubKeys struct{}
+
+func (_ ListAllowedPubKeys) MethodName() string { return "listallowedpubkeys" }
+
+type ListEventsNeedingModeration struct{}
+
+func (_ ListEventsNeedingModeration) MethodName() string { return "listeventsneedingmoderation" }
+
+type AllowEvent struct {
+	ID     string
+	Reason string
+}
+
+func (_ AllowEvent) MethodName() string { return "allowevent" }
+
+type BanEvent struct {
+	ID     string
+	Reason string
+}
+
+func (_ BanEvent) MethodName() string { return "banevent" }
+
+type ListBannedEvents struct{}
+
+func (_ ListBannedEvents) MethodName() string { return "listbannedevents" }
+
+type ChangeRelayName struct {
+	Name string
+}
+
+func (_ ChangeRelayName) MethodName() string { return "changerelayname" }
+
+type ChangeRelayDescription struct {
+	Description string
+}
+
+func (_ ChangeRelayDescription) MethodName() string { return "changerelaydescription" }
+
+type ChangeRelayIcon struct {
+	IconURL string
+}
+
+func (_ ChangeRelayIcon) MethodName() string { return "changerelayicon" }
+
+type AllowKind struct {
+	Kind int
+}
+
+func (_ AllowKind) MethodName() string { return "allowkind" }
+
+type DisallowKind struct {
+	Kind int
+}
+
+func (_ DisallowKind) MethodName() string { return "disallowkind" }
+
+type ListAllowedKinds struct{}
+
+func (_ ListAllowedKinds) MethodName() string { return "listallowedkinds" }
+
+type BlockIP struct {
+	IP     net.IP
+	Reason string
+}
+
+func (_ BlockIP) MethodName() string { return "blockip" }
+
+type UnblockIP struct {
+	IP     net.IP
+	Reason string
+}
+
+func (_ UnblockIP) MethodName() string { return "unblockip" }
+
+type ListBlockedIPs struct{}
+
+func (_ ListBlockedIPs) MethodName() string { return "listblockedips" }
diff --git a/nip86/types.go b/nip86/types.go
new file mode 100644
index 0000000..322f3f6
--- /dev/null
+++ b/nip86/types.go
@@ -0,0 +1,11 @@
+package nip86
+
+type Request struct {
+	Method string `json:"method"`
+	Params []any  `json:"params"`
+}
+
+type Response struct {
+	Result any    `json:"result"`
+	Error  string `json:"error,omitempty"`
+}