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POST
/
trade
/
swap
Execute trade via aggregator (EVM + Solana)
curl --request POST \
  --url https://api.afkcrypto.com/v1/trade/swap \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "chain": "<string>",
  "from": "<string>",
  "fromToken": "<string>",
  "toToken": "<string>",
  "amount": "<string>",
  "slippage": 1,
  "includeGas": true,
  "protocols": "<string>",
  "excludeProtocols": "<string>"
}'
{ "id": "tx_...", "status": "SUBMITTED", "hash": "0x...", "explorerUrl": "https://solscan.io/tx/...", "chainName": "Solana" }
Use NATIVE keyword for fromToken/toToken to swap native assets (ETH, SOL, etc.). Requires Idempotency-Key header. Solana mainnet only. For EVM, approve token first if swap fails with allowance error.
{ "id": "tx_...", "status": "SUBMITTED", "hash": "0x...", "explorerUrl": "https://solscan.io/tx/...", "chainName": "Solana" }

Authorizations

​
x-api-key
string
header
required

Headers

​
Idempotency-Key
string<uuid>
required

Provide a unique Idempotency-Key per user to ensure single submission.

Body

application/json
  • EVM
  • Solana
​
chain
string
required

EVM chain slug.

​
fromToken
string
required

Token or native address (0xEeee... for native)

​
toToken
string
required

Output token address (0x...).

​
amount
string
required

Amount in wei (decimal or 0x-hex supported for EVM).

​
from
string | null

Optional sender wallet; defaults to user's default wallet for the chain.

​
slippage
number
default:1

Percentage (e.g., 1 = 1%). Optional; defaults to 1%.

​
includeGas
boolean | null

Include gas estimates in the build (optional).

​
protocols
string | null

Comma-separated allowlist of protocols (optional).

​
excludeProtocols
string | null

Comma-separated blocklist of protocols (optional).

Response

Submission accepted

​
id
string
required

AFK transaction id for the submitted action.

​
status
enum<string>
required

Submission status.

Available options:
SUBMITTED
​
hash
string | null
required

On-chain transaction hash/signature (may be null at submission time).

​
explorerUrl
string | null
required

Direct link to the transaction on a chain explorer. Null until a hash/signature exists.

​
chainName
string
required

Human-readable chain name for display (e.g., Base, Ethereum, Solana).