In this work, the existence of at least one solution for the following third-order integral and
m
-point boundary value problem on the half-line at resonance
ρ
t
u
′
t
″
=
w
t
,
u
t
,
u
′
t
,
u
″
t
,
t
∈
0
,
∞
,
u
0
=
∑
j
=
1
m
α
j
∫
0
η
j
u
t
d
t
,
u
′
0
=
0
,
lim
t
⟶
∞
ρ
t
u
′
t
′
=
0
,
will be investigated. The Mawhin’s coincidence degree theory will be used to obtain existence results while an example will be used to validate the result obatined.