Content

Project Updates

Update metadata for an existing project. Only the project developer can make changes. Supports updating text fields via JSON, or text fields + image via FormData.

POST

/api/projects/{address}

Updates off-chain metadata for a deployed token or prediction market.

Auth: Session required + wallet must be the project developer

Option 1: JSON Body (text fields only)

Response

{
  "website": "string",       // Optional
  "telegram": "string",      // Optional
  "twitterx": "string",      // Optional
  "description": "string"    // Optional
}

Option 2: FormData (text fields + image)

Send as multipart/form-data with an image file field. Text fields are optional form fields.

Response

{ "success": true, "project": { ... } }

200 Updated400 No fields provided401 Not signed in403 Not the developer404 Project not found

JSON Update

// Update project metadata (JSON — text fields only)
async function updateProject(contractAddress, sessionCookie) {
  const res = await fetch(`https://launchonbasis.com/api/projects/${contractAddress}`, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "Cookie": sessionCookie,
    },
    body: JSON.stringify({
      website: "https://updated-site.com",
      telegram: "https://t.me/updated",
      twitterx: "https://x.com/updated",
      description: "Updated description.",
    }),
  });

  const { success, project } = await res.json();
}

FormData Update (with image)

// Update project metadata with a new image (FormData)
async function updateProjectWithImage(contractAddress, imageFile, sessionCookie) {
  const formData = new FormData();
  formData.append("image", imageFile);
  formData.append("description", "New description with new image");

  const res = await fetch(`https://launchonbasis.com/api/projects/${contractAddress}`, {
    method: "POST",
    headers: { "Cookie": sessionCookie },
    body: formData,
  });

  const { success, project } = await res.json();
}