NewCard and a wrapper for List.

card.go

@@ -19,6 +19,8 @@ package trello
 import (
 	"encoding/json"
 	"net/url"
+	"strconv"
+	"strings"
 )
 
 type Card struct {
@@ -35,7 +37,7 @@ type Card struct {
 	IdMembersVoted        []string `json:"idMembersVoted"`
 	ManualCoverAttachment bool     `json:"manualCoverAttachment"`
 	Closed                bool     `json:"closed"`
-	Pos                   float32  `json:"pos"`
+	Pos                   int      `json:"pos"`
 	ShortLink             string   `json:"shortLink"`
 	DateLastActivity      string   `json:"dateLastActivity"`
 	ShortUrl              string   `json:"shortUrl"`
@@ -79,6 +81,29 @@ func (c *Client) Card(CardId string) (card *Card, err error) {
 	return
 }
 
+// NewCard creates with the attributes of the supplied Card struct
+// https://developers.trello.com/advanced-reference/card#post-1-cards
+func (c *Client) NewCard(card Card) (_ *Card, err error) {
+	payload := url.Values{}
+	payload.Set("name", card.Name)
+	payload.Set("desc", card.Desc)
+	payload.Set("pos", strconv.Itoa(card.Pos))
+	payload.Set("due", card.Due)
+	payload.Set("idList", card.IdList)
+	payload.Set("idMembers", strings.Join(card.IdMembers, ","))
+
+	body, err := c.Post("/cards", payload)
+	if err != nil {
+		return nil, err
+	}
+
+	if err = json.Unmarshal(body, &card); err != nil {
+		return nil, err
+	}
+	card.client = c
+	return &card, nil
+}
+
 func (c *Card) Checklists() (checklists []Checklist, err error) {
 	body, err := c.client.Get("/card/" + c.Id + "/checklists")
 	if err != nil {

list.go

@@ -65,3 +65,9 @@ func (l *List) Actions() (actions []Action, err error) {
 	}
 	return
 }
+
+// AddCard is just a wrapper for Client.NewCard
+func (l *List) AddCard(card Card) (*Card, error) {
+	card.IdList = l.Id
+	return l.client.NewCard(card)
+}